OmniSwitch os6900 User manual

Part No. 060319-10, Rev. G
June 2013
OmniSwitch AOS Release 7
Network Configuration Guide
www.alcatel-lucent.com

This user guide documents AOS Release 7 for the OmniSwitch 10K and OmniSwitch 6900.
The functionality described in this guide is subject to change without notice.
Copyright © 2013 by Alcatel-Lucent. All rights reserved. This document may not be reproduced in whole
or in part without the express written permission of Alcatel-Lucent.
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OmniSwitch AOS Release 7 Network Configuration Guide June 2013 iii
Contents
About This Guide ........................................................................................................xxi
Supported Platforms ........................................................................................................xxi
Who Should Read this Manual? ......................................................................................xxi
When Should I Read this Manual? ..................................................................................xxi
What is in this Manual? ..................................................................................................xxii
What is Not in this Manual? ...........................................................................................xxii
How is the Information Organized? ...............................................................................xxii
Documentation Roadmap ..............................................................................................xxiii
Related Documentation ..................................................................................................xxv
Technical Support .........................................................................................................xxvi
Chapter 1 Configuring Ethernet Ports ......................................................................................1-1
In This Chapter ................................................................................................................1-1
Ethernet Specifications ....................................................................................................1-2
Ethernet Port Defaults .....................................................................................................1-2
Ethernet Ports Overview .................................................................................................1-4
Valid Port Settings ...................................................................................................1-4
Configuring Ethernet Port Parameters ............................................................................1-4
Enabling and Disabling Autonegotiation .................................................................1-4
Configuring Crossover Settings ...............................................................................1-4
Setting Interface Line Speed ....................................................................................1-5
Configuring Duplex Mode .......................................................................................1-5
Setting Trap Port Link Messages .............................................................................1-5
Resetting Statistics Counters ....................................................................................1-5
Enabling and Disabling Interfaces ...........................................................................1-6
Configuring a Port Alias ..........................................................................................1-6
Configuring Maximum Frame Sizes ........................................................................1-6
Configuring Digital Diagnostic Monitoring (DDM) ................................................1-6
Configuring Flood Rate Limiting .............................................................................1-7
Configuring Flow Control ........................................................................................1-7
Enabling and Disabling Enhanced Port Performance (EPP) ....................................1-8
Configuring Energy Efficient Ethernet (802.3az) ....................................................1-9
Clearing Ethernet Port Violations .................................................................................1-11
Link Monitoring ............................................................................................................1-12
Monitoring Interface Errors ...................................................................................1-12
Monitoring Interface Flapping ...............................................................................1-12
Monitoring Window ...............................................................................................1-13

Contents
iv OmniSwitch AOS Release 7 Network Configuration Guide June 2013
Configuring the Wait-to-Restore Timer .................................................................1-13
Configuring the Wait-to-Shutdown Timer .............................................................1-14
Displaying Link Monitoring Information ..............................................................1-16
Link Fault Propagation ..................................................................................................1-16
Interaction With Interfaces Violation Recovery ....................................................1-17
Configuring Link Fault Propagation ......................................................................1-18
LFP Application Example ......................................................................................1-19
Chapter 2 Configuring UDLD ......................................................................................................2-1
In This Chapter ................................................................................................................2-1
UDLD Specifications ......................................................................................................2-2
UDLD Defaults ..............................................................................................................2-2
Quick Steps for Configuring UDLD ...............................................................................2-3
UDLD Overview .............................................................................................................2-4
UDLD Operational Mode .........................................................................................2-4
Mechanisms to Detect Unidirectional Links ............................................................2-5
Configuring UDLD .........................................................................................................2-6
Enabling and Disabling UDLD ................................................................................2-6
Configuring the Operational Mode ..........................................................................2-7
Configuring the Probe-Timer ...................................................................................2-7
Configuring the Echo-Wait-Timer ...........................................................................2-7
Clearing UDLD Statistics .........................................................................................2-8
Verifying the UDLD Configuration ................................................................................2-8
Chapter 3 Managing Source Learning ...................................................................................3-1
In This Chapter ................................................................................................................3-1
Source Learning Specifications .......................................................................................3-2
Source Learning Defaults ...............................................................................................3-2
MAC Address Table Overview .......................................................................................3-3
Using Static MAC Addresses ..........................................................................................3-3
Configuring Static MAC Addresses .........................................................................3-4
Using Static Multicast MAC Addresses .........................................................................3-5
Configuring Static Multicast MAC Addresses .........................................................3-5
Configuring MAC Address Table Aging Time ..............................................................3-7
Configuring the Source Learning Status .........................................................................3-8
Increasing the MAC Address Table Size ........................................................................3-9
Displaying Source Learning Information ......................................................................3-10
Chapter 4 Configuring VLANs ....................................................................................................4-1
In This Chapter ................................................................................................................4-1
VLAN Specifications ......................................................................................................4-2
VLAN Defaults ..............................................................................................................4-2

Contents
OmniSwitch AOS Release 7 Network Configuration Guide June 2013 v
Sample VLAN Configuration .........................................................................................4-3
VLAN Management Overview .......................................................................................4-4
Creating/Modifying VLANs ...........................................................................................4-4
Adding/Removing a VLAN .....................................................................................4-5
Enabling/Disabling the VLAN Administrative Status .............................................4-6
Modifying the VLAN Description ...........................................................................4-6
Assigning Ports to VLANs ..............................................................................................4-6
Changing the Default VLAN Assignment for a Port ...............................................4-7
Using 802.1Q Tagging .............................................................................................4-7
Enabling/Disabling Spanning Tree for a VLAN .............................................................4-9
Enabling/Disabling Source Learning ..............................................................................4-9
Configuring VLAN IP Interfaces ..................................................................................4-10
Bridging VLANs Across Multiple Switches .................................................................4-11
Verifying the VLAN Configuration ..............................................................................4-13
Understanding Port Output .....................................................................................4-13
Chapter 5 Configuring High Availability VLANs ...................................................................5-1
In This Chapter ................................................................................................................5-1
High Availability VLANs Specifications .......................................................................5-2
High Availability Default Values ....................................................................................5-2
Quick Steps for Creating High Availability VLANs ......................................................5-3
High Availability VLAN Overview ................................................................................5-4
High Availability VLAN Operational Mode ...........................................................5-4
Traffic Flows in High Availability VLAN ...............................................................5-5
Configuring High Availability VLANs on a Switch .......................................................5-6
Creating and Deleting VLANs .................................................................................5-6
Adding and Removing Server Cluster Ports ............................................................5-7
Assigning and Modifying Server Cluster Mode ......................................................5-7
Assigning and Removing MAC Addresses ..............................................................5-8
Application Examples .....................................................................................................5-9
Example 1: Layer 2 Server Cluster ..........................................................................5-9
Example 2: Layer 3 Server Cluster ........................................................................5-11
Example 3: Layer 3 Server Cluster with IP Multicast Address to
Cluster (IGMP) ......................................................................................................5-13
Displaying High Availability VLAN Status .................................................................5-16
Chapter 6 Configuring Spanning Tree Parameters .............................................................6-1
In This Chapter ................................................................................................................6-2
Spanning Tree Specifications ..........................................................................................6-3
Spanning Tree Bridge Parameter Defaults .....................................................................6-4
Spanning Tree Port Parameter Defaults ..........................................................................6-4
Multiple Spanning Tree (MST) Region Defaults ............................................................6-5

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vi OmniSwitch AOS Release 7 Network Configuration Guide June 2013
Spanning Tree Overview .................................................................................................6-6
How the Spanning Tree Topology is Calculated .....................................................6-6
MST General Overview ................................................................................................6-12
How MSTP Works .................................................................................................6-12
Comparing MSTP with STP and RSTP .................................................................6-15
What is a Multiple Spanning Tree Instance (MSTI) ..............................................6-15
What is a Multiple Spanning Tree Region .............................................................6-16
What is the Common Spanning Tree .....................................................................6-17
What is the Internal Spanning Tree (IST) Instance ................................................6-17
What is the Common and Internal Spanning Tree Instance ...................................6-17
MST Configuration Overview ...............................................................................6-17
MST Interoperability and Migration ......................................................................6-18
Spanning Tree Operating Modes ..................................................................................6-20
Using Flat Spanning Tree Mode ............................................................................6-20
Using Per-VLAN Spanning Tree Mode .................................................................6-21
Using Per-VLAN Spanning Tree Mode with PVST+ ............................................6-22
OmniSwitch PVST+ Interoperability .....................................................................6-23
Using Spanning Tree Configuration Commands ..........................................................6-25
Configuring STP Bridge Parameters .............................................................................6-26
Selecting the Spantree Protocol ..............................................................................6-27
Configuring the Bridge Priority .............................................................................6-27
Configuring the Bridge Hello Time .......................................................................6-28
Configuring the Bridge Max-Age Time .................................................................6-29
Configuring the Forward Delay Time for the Switch ............................................6-29
Enabling/Disabling the VLAN BPDU Switching Status .......................................6-30
Configuring the Path Cost Mode ............................................................................6-31
Using Automatic VLAN Containment ...................................................................6-31
Configuring STP Port Parameters .................................................................................6-33
Enabling/Disabling Spanning Tree on a Port .........................................................6-34
Configuring Port Priority .......................................................................................6-36
Configuring Port Path Cost ....................................................................................6-37
Configuring Port Mode ..........................................................................................6-40
Configuring Port Connection Type ........................................................................6-41
Configuring the Edge Port Status ...........................................................................6-42
Restricting Port Roles (Root Guard) ......................................................................6-43
Restricting TCN Propagation .................................................................................6-43
Limiting BPDU Transmission ................................................................................6-43
Sample Spanning Tree Configuration ...........................................................................6-44
Example Network Overview ..................................................................................6-44
Example Network Configuration Steps ..................................................................6-45
Sample MST Region Configuration ..............................................................................6-47
Sample MSTI Configuration .........................................................................................6-49
Verifying the Spanning Tree Configuration .................................................................6-52

Contents
OmniSwitch AOS Release 7 Network Configuration Guide June 2013 vii
Chapter 7 Configuring Static Link Aggregation ....................................................................7-1
In This Chapter ................................................................................................................7-1
Static Link Aggregation Specifications ..........................................................................7-2
Static Link Aggregation Default Values .........................................................................7-2
Quick Steps for Configuring Static Link Aggregation ...................................................7-3
Static Link Aggregation Overview .................................................................................7-5
Static Link Aggregation Operation ..........................................................................7-5
Relationship to Other Features .................................................................................7-6
Configuring Static Link Aggregation Groups .................................................................7-6
Configuring Mandatory Static Link Aggregate Parameters .....................................7-6
Creating and Deleting a Static Link Aggregate Group ............................................7-7
Adding and Deleting Ports in a Static Aggregate Group .........................................7-8
Modifying Static Aggregation Group Parameters ...........................................................7-9
Modifying the Static Aggregate Group Name .........................................................7-9
Modifying the Static Aggregate Group Administrative State ..................................7-9
Application Example .....................................................................................................7-10
Displaying Static Link Aggregation Configuration and Statistics ................................7-11
Chapter 8 Configuring Dynamic Link Aggregation ..............................................................8-1
In This Chapter ................................................................................................................8-1
Dynamic Link Aggregation Specifications .....................................................................8-2
Dynamic Link Aggregation Default Values ...................................................................8-3
Quick Steps for Configuring Dynamic Link Aggregation ..............................................8-4
Dynamic Link Aggregation Overview ............................................................................8-6
Dynamic Link Aggregation Operation .....................................................................8-6
Relationship to Other Features .................................................................................8-8
Configuring Dynamic Link Aggregate Groups ...............................................................8-8
Configuring Mandatory Dynamic Link Aggregate Parameters ...............................8-9
Creating and Deleting a Dynamic Aggregate Group ...............................................8-9
Configuring Ports to Join and Removing Ports in a Dynamic Aggregate
Group .....................................................................................................................8-10
Modifying Dynamic Link Aggregate Group Parameters ..............................................8-12
Modifying Dynamic Aggregate Group Parameters ...............................................8-12
Modifying Dynamic Link Aggregate Actor Port Parameters ................................8-17
Modifying Dynamic Aggregate Partner Port Parameters ......................................8-21
Application Examples ...................................................................................................8-27
Sample Network Overview ....................................................................................8-27
Link Aggregation and Spanning Tree Example .....................................................8-28
Link Aggregation and QoS Example .....................................................................8-29
Displaying Dynamic Link Aggregation Configuration and Statistics ..........................8-30

Contents
viii OmniSwitch AOS Release 7 Network Configuration Guide June 2013
Chapter 9 Configuring Virtual Chassis .....................................................................................9-1
In This Chapter ................................................................................................................9-2
Virtual Chassis Specifications .........................................................................................9-3
Virtual Chassis Default Values .......................................................................................9-4
Quick Steps for Configuring A Virtual Chassis ..............................................................9-5
Virtual Chassis Overview ...............................................................................................9-7
Virtual Chassis Concepts and Components .............................................................9-7
Converting to Virtual Chassis mode ........................................................................9-8
Virtual Chassis - Boot-Up ......................................................................................9-10
Virtual Chassis - Redundancy ................................................................................9-11
Virtual Chassis - Upgrading ...................................................................................9-12
Virtual Chassis Topologies ...........................................................................................9-14
Basic Virtual Chassis Building Block ....................................................................9-14
Recommended Topologies .....................................................................................9-14
Interaction with Other Features .....................................................................................9-16
Data Center Bridging .............................................................................................9-16
Multicast Load Balancing ......................................................................................9-16
Configuring Virtual Chassis ..........................................................................................9-17
Virtual Chassis Configuration Guidelines ..............................................................9-17
Configuring the Chassis Identifier .........................................................................9-19
Configuring the Virtual Chassis Group Identifier ..................................................9-20
Creating the Virtual Fabric Link (VFL) .................................................................9-20
Configuring the Hello Interval ...............................................................................9-20
Configuring the Control VLAN .............................................................................9-21
Configuring EMP IP Addresses .............................................................................9-21
Virtual Chassis Configuration Example ........................................................................9-23
Displaying Virtual Chassis Configuration and Status ...................................................9-25
Chapter 10 Configuring Multi-chassis Link Aggregation ...................................................10-1
In This Chapter ..............................................................................................................10-2
Multi-chassis Link Aggregation Specifications ............................................................10-3
Multi-chassis Link Aggregation Default Values ...........................................................10-4
Quick Steps for Configuring MCLAG ..........................................................................10-5
MCLAG Overview ........................................................................................................10-9
MCLAG Concepts and Components ......................................................................10-9
Benefits of MCLAG .............................................................................................10-11
MCLAG Principle ................................................................................................10-11
MCLAG Loop Detection .....................................................................................10-12
MCLAG Topologies ...................................................................................................10-13
Basic MCLAG Building Block ............................................................................10-13
Recommended Topologies ...................................................................................10-13
Topologies Not Recommended ............................................................................10-15
Unsupported Topologies ......................................................................................10-15

Contents
OmniSwitch AOS Release 7 Network Configuration Guide June 2013 ix
MCLAG Packet Flow .................................................................................................10-18
Layer 2 Switching over MCLAG .........................................................................10-18
Interaction with Other Features ...................................................................................10-21
Spanning Tree Protocol ........................................................................................10-21
Ethernet Ring Protection ......................................................................................10-21
Link Aggregation .................................................................................................10-21
Multicast ...............................................................................................................10-22
Source Learning ...................................................................................................10-22
Server Load Balancing .........................................................................................10-22
High Availability VLANs ....................................................................................10-23
Universal Network Profiles ..................................................................................10-23
IPv4 ......................................................................................................................10-25
OmniSwitch AOS Consistency Recommendations .............................................10-26
Configuring MCLAG ..................................................................................................10-27
MCLAG Configuration Guidelines ......................................................................10-27
Configuring the Chassis ID ..................................................................................10-30
Configuring the Group ID ....................................................................................10-30
Creating the Virtual Fabric Link (VFL) ...............................................................10-30
Configuring the Hello Interval .............................................................................10-31
Configuring the IPC-VLAN .................................................................................10-31
Configuring Aggregate Identifier Ranges ............................................................10-31
Configuring MCLAG Aggregates ........................................................................10-31
Configuring the VIP VLAN .................................................................................10-32
Recommended Configuration Parameters ...................................................................10-33
Verifying Parameter Consistency .........................................................................10-33
MCLAG Configuration Examples ..............................................................................10-35
Example 1: MCLAG Topology ............................................................................10-35
Example 2: MCLAG Group ID Configuration ....................................................10-37
Displaying MCLAG Configuration and Statistics ......................................................10-38
Chapter 11 Configuring ERP .......................................................................................................11-1
In This Chapter ..............................................................................................................11-1
ERP Specifications ........................................................................................................11-2
ERP Defaults .................................................................................................................11-3
ERP Overview ...............................................................................................................11-4
ERP Basic Operation ..............................................................................................11-6
ERPv2 Basic Operation ..........................................................................................11-8
Interaction With Other Features ..................................................................................11-10
Quick Steps for Configuring ERP with Standard VLANs ..........................................11-11
Quick Steps for Configuring ERP with VLAN Stacking ............................................11-12
ERP Configuration Overview and Guidelines ............................................................11-13
Configuring an ERP Ring ...........................................................................................11-14
Adding VLANs to Ring Ports ..............................................................................11-14
Configuring an RPL Port ......................................................................................11-15
Setting the Wait-to-Restore Timer .......................................................................11-15

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x OmniSwitch AOS Release 7 Network Configuration Guide June 2013
Setting the Guard Timer .......................................................................................11-15
Configuring ERP with VLAN Stacking NNIs .....................................................11-16
Clearing ERP Statistics ........................................................................................11-17
ERPv2 Configuration Overview and Guidelines ........................................................11-18
Major and Sub Ring Management .......................................................................11-18
Sample Switch Configuration ..............................................................................11-19
Sample Ethernet Ring Protection Configuration .........................................................11-22
Example ERP Overview .......................................................................................11-22
Example ERP Configuration Steps ......................................................................11-23
Sample ERPv2 Ring Configuration ............................................................................11-24
Example ERPv2 Overview ...................................................................................11-24
Configuring Shared Link ......................................................................................11-25
Configuring Switches in Main Ring .....................................................................11-26
Configuring Secondary RPL Node ......................................................................11-26
Configuring Switch in Sub Ring ..........................................................................11-26
Verifying the ERP Configuration ................................................................................11-27
Chapter 12 Configuring MVRP ....................................................................................................12-1
In This Chapter ..............................................................................................................12-1
MVRP Specifications ....................................................................................................12-2
MVRP Defaults .............................................................................................................12-3
Quick Steps for Configuring MVRP .............................................................................12-4
MRP Overview ..............................................................................................................12-5
MVRP Overview ...........................................................................................................12-5
How MVRP Works ................................................................................................12-5
Interaction With Other Features .............................................................................12-8
Configuring MVRP .......................................................................................................12-9
Enabling MVRP .....................................................................................................12-9
Configuring the Maximum Number of VLANs .....................................................12-9
Configuring MVRP Registration .........................................................................12-10
Configuring the MVRP Applicant Mode .............................................................12-11
Modifying MVRP Timers ....................................................................................12-12
Restricting VLAN Registration ............................................................................12-13
Restricting Static VLAN Registration ..................................................................12-13
Restricting VLAN Advertisement ........................................................................12-14
Verifying the MVRP Configuration ............................................................................12-15
Chapter 13 Configuring 802.1AB ...............................................................................................13-1
In This Chapter ..............................................................................................................13-1
802.1AB Specifications .................................................................................................13-2
802.1AB Defaults Table ................................................................................................13-2
Quick Steps for Configuring 802.1AB ..........................................................................13-3
802.1AB Overview .......................................................................................................13-4

Contents
OmniSwitch AOS Release 7 Network Configuration Guide June 2013 xi
Mandatory TLVs ....................................................................................................13-4
Optional TLVs ........................................................................................................13-4
LLDP-Media Endpoint Devices .............................................................................13-5
LLDP Agent Operation ..........................................................................................13-6
LLDPDU Transmission and Reception ..................................................................13-6
Aging Time ............................................................................................................13-6
Configuring 802.1AB ....................................................................................................13-7
Configuring LLDPDU Flow ..................................................................................13-7
Enabling and Disabling Notification ......................................................................13-7
Enabling and Disabling Management TLV ...........................................................13-7
Enabling and Disabling 802.1 TLV .......................................................................13-8
Enabling and Disabling 802.3 TLV .......................................................................13-8
Enabling and Disabling MED TLV .......................................................................13-9
Enabling and Disabling Application Priority TLV ................................................13-9
Setting the Transmit Interval ................................................................................13-10
Setting the Transmit Hold Multiplier Value ........................................................13-10
Setting the Transmit Delay ...................................................................................13-10
Setting the Reinit Delay .......................................................................................13-10
Setting the Notification Interval ...........................................................................13-10
Verifying 802.1AB Configuration ..............................................................................13-11
Chapter 14 Configuring Dynamic Automatic Fabric .............................................................14-1
In This Chapter ..............................................................................................................14-2
Auto-Fabric Specifications ............................................................................................14-3
Auto-Fabric Default Values ..........................................................................................14-4
Quick Steps for Configuring Auto-Fabric .....................................................................14-5
Auto-Fabric Overview ..................................................................................................14-7
Basic Auto-Fabric Operation .................................................................................14-7
Auto-Fabric Discovery Window ............................................................................14-8
Auto-Fabric Discovery Examples .................................................................................14-9
Auto-Fabric Configured in the Core ......................................................................14-9
14-9
The Core is Manually Configured for LACP, SPB, and MVRP ..........................14-10
Interaction with Other Features ...................................................................................14-11
System ..................................................................................................................14-11
LLDP ....................................................................................................................14-11
LACP ....................................................................................................................14-11
SPB .......................................................................................................................14-12
MVRP ...................................................................................................................14-12
Virtual Chassis and MC-LAG ..............................................................................14-13
Interfaces ..............................................................................................................14-13
Configuring Auto-Fabric .............................................................................................14-14
Enabling/Disabling Auto-Fabric ..........................................................................14-14
Starting the Discovery Process .............................................................................14-14
Configuring Auto-Fabric Protocols ......................................................................14-14
Configuring Discovery Interval ...........................................................................14-14

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xii OmniSwitch AOS Release 7 Network Configuration Guide June 2013
Configuring and Saving the Discovered Configuration .......................................14-15
Displaying Auto-Fabric Configuration and Status ......................................................14-16
Chapter 15 Configuring IP ...........................................................................................................15-1
In This Chapter ..............................................................................................................15-1
IP Specifications ............................................................................................................15-3
IP Defaults .....................................................................................................................15-4
Quick Steps for Configuring IP Forwarding .................................................................15-4
IP Overview ..................................................................................................................15-5
IP Protocols ............................................................................................................15-5
IP Forwarding ................................................................................................................15-7
Configuring an IP Interface ....................................................................................15-8
Configuring a Loopback0 Interface .....................................................................15-10
Creating a Static Route or Recursive Static Route ...............................................15-11
Creating a Default Route ......................................................................................15-12
Configuring Address Resolution Protocol (ARP) ................................................15-12
IP Configuration ..........................................................................................................15-16
Configuring the Router Primary Address .............................................................15-16
Configuring the Router ID ...................................................................................15-16
Configuring the Route Preference of a Router .....................................................15-16
Configuring the Time-to-Live (TTL) Value ........................................................15-17
Configuring Route Map Redistribution ................................................................15-17
IP-Directed Broadcasts .........................................................................................15-23
Denial of Service (DoS) Filtering ........................................................................15-23
Enabling/Disabling IP Services ............................................................................15-28
Managing IP ................................................................................................................15-29
Internet Control Message Protocol (ICMP) .........................................................15-29
Using the Ping Command ....................................................................................15-31
Tracing an IP Route ..............................................................................................15-32
Displaying TCP Information ................................................................................15-32
Displaying UDP Information ...............................................................................15-33
Tunneling ....................................................................................................................15-33
Generic Routing Encapsulation ............................................................................15-33
IP Encapsulation within IP ...................................................................................15-33
Tunneling operation .............................................................................................15-34
Configuring a Tunnel Interface ............................................................................15-35
Verifying the IP Configuration ...................................................................................15-36
VRF Route Leak .........................................................................................................15-37
Quick Steps for Configuring VRF Route Leak ....................................................15-37
Configuring VRF Route Leak ..............................................................................15-38
Verifying VRF Route Leak Configuration ...........................................................15-39
Chapter 16 Configuring Multiple VRF .......................................................................................16-1
In This Chapter ..............................................................................................................16-1
VRF Specifications .......................................................................................................16-2

Contents
OmniSwitch AOS Release 7 Network Configuration Guide June 2013 xiii
VRF Defaults ................................................................................................................16-2
Quick Steps for Configuring Multiple VRF ..................................................................16-3
Multiple VRF Overview ...............................................................................................16-6
VRF Profiles ...........................................................................................................16-8
Using the VRF Command Line Interface ..............................................................16-8
ASCII-File-Only Syntax ........................................................................................16-9
Management VRF ..................................................................................................16-9
VRF Interaction With Other Features .........................................................................16-11
AAA RADIUS/TACACS+/LDAP Servers ..........................................................16-12
BGPv4 ..................................................................................................................16-12
IP-IP and GRE Tunnels ........................................................................................16-12
Management Applications (Telnet and SSH) .......................................................16-12
FTP .......................................................................................................................16-12
NTP ......................................................................................................................16-13
WebView ..............................................................................................................16-13
Syslog Server ........................................................................................................16-13
Quality of Service (QoS) ......................................................................................16-13
SNMP ...................................................................................................................16-13
VLANs .................................................................................................................16-14
UDP/DHCP Relay ................................................................................................16-14
Configuring VRF Instances .........................................................................................16-14
Configuring the VRF Profile ................................................................................16-16
Selecting a VRF Instance .....................................................................................16-17
Assigning IP Interfaces to a VRF Instance ..........................................................16-17
Configuring Routing Protocols for a Specific VRF Instance ...............................16-18
Removing a VRF Instance ...................................................................................16-18
Verifying the VRF Configuration ...............................................................................16-19
Chapter 17 Configuring IPv6 .......................................................................................................17-1
In This Chapter ..............................................................................................................17-1
IPv6 Specifications ........................................................................................................17-2
IPv6 Defaults .................................................................................................................17-4
Quick Steps for Configuring IPv6 Routing ...................................................................17-5
IPv6 Overview ..............................................................................................................17-6
IPv6 Addressing .....................................................................................................17-7
Tunneling IPv6 over IPv4 ....................................................................................17-11
Configuring an IPv6 Interface .....................................................................................17-14
Configuring a Unique Local IPv6 Unicast Address .............................................17-15
Modifying an IPv6 Interface ................................................................................17-15
Removing an IPv6 Interface .................................................................................17-15
Assigning IPv6 Addresses ...........................................................................................17-16
Removing an IPv6 Address ..................................................................................17-17
Configuring IPv6 Tunnel Interfaces ............................................................................17-18
Creating an IPv6 Static Route .....................................................................................17-19

Contents
xiv OmniSwitch AOS Release 7 Network Configuration Guide June 2013
Configuring the Route Preference of a Router ............................................................17-20
Configuring Route Map Redistribution ......................................................................17-21
Verifying the IPv6 Configuration ...............................................................................17-27
Chapter 18 Configuring IPsec .....................................................................................................18-1
In This Chapter ..............................................................................................................18-1
IPsec Specifications ......................................................................................................18-2
IPsec Defaults ................................................................................................................18-2
Quick Steps for Configuring an IPsec AH Policy .........................................................18-3
Quick Steps for Configuring an IPsec Discard Policy ..................................................18-4
IPsec Overview .............................................................................................................18-5
Encapsulating Security Payload (ESP) ..................................................................18-5
Authentication Header (AH) ..................................................................................18-6
IPsec on the OmniSwtich .......................................................................................18-7
Securing Traffic Using IPsec .................................................................................18-8
Discarding Traffic using IPsec ...............................................................................18-9
Configuring IPsec on the OmniSwitch .......................................................................18-10
Configuring an IPsec Master Key ........................................................................18-10
Configuring an IPsec Policy .................................................................................18-11
Configuring an IPsec SA ......................................................................................18-15
Additional Examples ...................................................................................................18-19
Configuring ESP ..................................................................................................18-19
Discarding RIPng Packets ....................................................................................18-21
Verifying IPsec Configuration ....................................................................................18-22
Chapter 19 Configuring RIP .........................................................................................................19-1
In This Chapter ..............................................................................................................19-1
RIP Specifications .........................................................................................................19-2
RIP Defaults ..................................................................................................................19-2
Quick Steps for Configuring RIP Routing ....................................................................19-3
RIP Overview ................................................................................................................19-4
RIP Version 2 .........................................................................................................19-5
RIP Routing ...................................................................................................................19-6
Loading RIP ...........................................................................................................19-6
Enabling RIP ..........................................................................................................19-7
Creating a RIP Interface .........................................................................................19-7
Enabling a RIP Interface ........................................................................................19-7
RIP Options ...................................................................................................................19-9
Configuring the RIP Forced Hold-Down Interval ..................................................19-9
Configuring the RIP Update Interval .....................................................................19-9
Configuring the RIP Invalid Timer ......................................................................19-10
Configuring the RIP Garbage Timer ....................................................................19-10
Configuring the RIP Hold-Down Timer ..............................................................19-10

Contents
OmniSwitch AOS Release 7 Network Configuration Guide June 2013 xv
Reducing the Frequency of RIP Routing Updates ...............................................19-10
Enabling a RIP Host Route ..................................................................................19-11
Configuring Redistribution .........................................................................................19-12
RIP Security ................................................................................................................19-18
Configuring Authentication Type ........................................................................19-18
Configuring Passwords ........................................................................................19-18
Verifying the RIP Configuration .................................................................................19-19
Chapter 20 Configuring BFD .......................................................................................................20-1
In This Chapter ..............................................................................................................20-1
BFD Specifications .......................................................................................................20-2
BFD Defaults ................................................................................................................20-2
Quick Steps for Configuring BFD ................................................................................20-3
Quick Steps for Configuring BFD Support for Layer 3 Protocols .........................20-5
BFD Overview ..............................................................................................................20-7
Benefits of Using BFD For Failure Detection .......................................................20-8
How the BFD Protocol Works ...............................................................................20-8
Operational Mode and Echo Function ...................................................................20-9
BFD Packet Formats ..............................................................................................20-9
BFD Session Establishment .................................................................................20-10
Configuring BFD ........................................................................................................20-11
Configuring BFD Session Parameters ..................................................................20-11
Configuring BFD Support for Layer 3 Protocols .................................................20-15
BFD Application Example ..........................................................................................20-23
Example Network Overview ................................................................................20-23
Verifying the BFD Configuration ...............................................................................20-28
Chapter 21 Configuring DHCP Relay .........................................................................................21-1
In This Chapter ..............................................................................................................21-1
DHCP Relay Specifications ..........................................................................................21-2
DHCP Relay Defaults ...................................................................................................21-3
Quick Steps for Setting Up DHCP Relay .....................................................................21-4
DHCP Relay Overview .................................................................................................21-5
DHCP .....................................................................................................................21-6
DHCP and the OmniSwitch ...................................................................................21-6
External DHCP Relay Application ........................................................................21-7
Internal DHCP Relay .............................................................................................21-8
DHCP Relay Implementation .......................................................................................21-9
Global DHCP .........................................................................................................21-9
Per-VLAN DHCP ..................................................................................................21-9
Configuring BOOTP/DHCP Relay Parameters ...................................................21-10
Setting the Forward Delay ....................................................................................21-10
Setting Maximum Hops .......................................................................................21-11

Contents
xvi OmniSwitch AOS Release 7 Network Configuration Guide June 2013
Setting the Relay Forwarding Option ...................................................................21-11
Using Automatic IP Configuration .............................................................................21-12
Enabling Automatic IP Configuration ..................................................................21-12
Configuring UDP Port Relay ......................................................................................21-13
Enabling/Disabling UDP Port Relay ....................................................................21-14
Specifying a Forwarding VLAN ..........................................................................21-14
How the Relay Agent Processes DHCP Packets from the Client ........................21-15
Verifying the DHCP Relay Configuration ..................................................................21-17
Chapter 22 Configuring VRRP .....................................................................................................22-1
In This Chapter ..............................................................................................................22-1
VRRP Specifications .....................................................................................................22-3
VRRP Defaults ..............................................................................................................22-3
Quick Steps for Creating a Virtual Router ....................................................................22-5
VRRP Overview ............................................................................................................22-6
Why Use VRRP? ....................................................................................................22-7
Definition of a Virtual Router ................................................................................22-7
VRRP MAC Addresses ..........................................................................................22-8
VRRP Startup Delay ..............................................................................................22-9
VRRP Tracking ......................................................................................................22-9
Configuring Collective Management Functionality ...............................................22-9
Interaction With Other Features ....................................................................................22-9
VRRP Configuration Overview ..................................................................................22-10
Basic Virtual Router Configuration .....................................................................22-10
Creating/Deleting a Virtual Router ......................................................................22-10
Specifying an IP Address for a Virtual Router ....................................................22-11
Configuring the Advertisement Interval ..............................................................22-12
Configuring Virtual Router Priority .....................................................................22-12
Setting Preemption for Virtual Routers ................................................................22-12
Enabling/Disabling a Virtual Router ....................................................................22-13
Setting VRRP Traps .............................................................................................22-14
Setting VRRP Startup Delay ................................................................................22-14
Configuring Collective Management Functionality .............................................22-14
Verifying the VRRP Configuration ............................................................................22-18
VRRPv3 Configuration Overview ..............................................................................22-19
Basic VRRPv3 Virtual Router Configuration ......................................................22-19
Creating/Deleting a VRRPv3 Virtual Router .......................................................22-19
Specifying an IPv6 Address for a VRRPv3 Virtual Router .................................22-20
Configuring the VRRPv3 Advertisement Interval ...............................................22-21
Configuring the VRRPv3 Virtual Router Priority ................................................22-21
Setting Preemption for VRRPv3 Virtual Routers ................................................22-22
Enabling/Disabling a VRRPv3 Virtual Router ....................................................22-23
Setting VRRPv3 Traps .........................................................................................22-23
Verifying the VRRPv3 Configuration ........................................................................22-24
Creating Tracking Policies ..........................................................................................22-25

Contents
OmniSwitch AOS Release 7 Network Configuration Guide June 2013 xvii
Associating a Tracking Policy with a VRRPv2/VRRPv3 Virtual Router ...........22-25
VRRP Application Example .......................................................................................22-26
VRRP Tracking Example .....................................................................................22-28
VRRPv3 Application Example ...................................................................................22-30
VRRPv3 Tracking Example .................................................................................22-31
Chapter 23 Configuring Server Load Balancing ....................................................................23-1
In This Chapter ..............................................................................................................23-1
Server Load Balancing Specifications ..........................................................................23-2
Server Load Balancing Default Values .........................................................................23-3
Quick Steps for Configuring Server Load Balancing ...................................................23-4
Quick Steps for Configuring a QoS Policy Condition Cluster ...............................23-5
Server Load Balancing Overview .................................................................................23-7
Server Load Balancing Cluster Identification ........................................................23-7
Server Load Balancing Example ............................................................................23-8
Weighted Round Robin Distribution Algorithm ....................................................23-9
Server Health Monitoring .....................................................................................23-10
Configuring Server Load Balancing on a Switch .......................................................23-11
Enabling and Disabling Server Load Balancing ..................................................23-11
Configuring and Deleting SLB Clusters ..............................................................23-12
Assigning Servers to and Removing Servers from a Cluster ...............................23-14
Modifying Optional Parameters ..................................................................................23-15
Modifying the Ping Period ...................................................................................23-15
Modifying the Ping Timeout ................................................................................23-15
Modifying the Ping Retries ..................................................................................23-16
Modifying the Relative Weight of a Physical Server ...........................................23-16
Taking Clusters and Servers On/Off Line ...................................................................23-17
Taking a Cluster On/Off Line ..............................................................................23-17
Taking a Server On/Off Line ...............................................................................23-17
Configuring SLB Probes .............................................................................................23-18
Creating SLB Probes ............................................................................................23-18
Deleting SLB Probes ............................................................................................23-18
Associating a Probe with a Cluster ......................................................................23-19
Associating a Probe with a Server ........................................................................23-19
Modifying SLB Probes .........................................................................................23-19
Displaying Server Load Balancing Status and Statistics ............................................23-22
Chapter 24 Configuring IP Multicast Switching .....................................................................24-1
In This Chapter ..............................................................................................................24-1
IPMS Specifications ......................................................................................................24-2
IPMSv6 Specifications ..................................................................................................24-3
IPMS Default Values ....................................................................................................24-3
IPMSv6 Default Values ................................................................................................24-5

Contents
xviii OmniSwitch AOS Release 7 Network Configuration Guide June 2013
IPMS Overview .............................................................................................................24-6
IPMS Example .......................................................................................................24-6
Reserved IP Multicast Addresses ...........................................................................24-7
IP Multicast Routing ..............................................................................................24-7
Configuring IPMS on a Switch .....................................................................................24-9
Enabling and Disabling IP Multicast Status ...........................................................24-9
Enabling and Disabling IGMP Querier-forwarding .............................................24-10
Configuring and Restoring the IGMP Version ....................................................24-10
Configuring and Removing an IGMP Static Neighbor ........................................24-11
Configuring and Removing an IGMP Static Querier ...........................................24-12
Configuring and Removing an IGMP Static Group .............................................24-12
Modifying IPMS Parameters .......................................................................................24-14
Modifying the IGMP Query Interval ...................................................................24-14
Modifying the IGMP Last Member Query Interval .............................................24-14
Modifying the IGMP Query Response Interval ...................................................24-15
Modifying the IGMP Router Timeout .................................................................24-16
Modifying the Source Timeout ............................................................................24-17
Enabling and Disabling IGMP Querying .............................................................24-18
Modifying the IGMP Robustness Variable ..........................................................24-18
Enabling and Disabling the IGMP Spoofing ........................................................24-19
Enabling and Disabling the IGMP Zapping .........................................................24-20
Limiting IGMP Multicast Groups ........................................................................24-21
IPMSv6 Overview .......................................................................................................24-22
IPMSv6 Example .................................................................................................24-22
Reserved IPv6 Multicast Addresses .....................................................................24-23
MLD Version 2 ....................................................................................................24-23
Configuring IPMSv6 on a Switch ...............................................................................24-24
Enabling and Disabling IPv6 Multicast Status .....................................................24-24
Enabling and Disabling MLD Querier-forwarding ..............................................24-25
Configuring and Restoring the MLD Version ......................................................24-25
Configuring and Removing an MLD Static Neighbor .........................................24-26
Configuring and Removing an MLD Static Querier ............................................24-27
Configuring and Removing an MLD Static Group ..............................................24-27
Modifying IPMSv6 Parameters ...................................................................................24-29
Modifying the MLD Query Interval .....................................................................24-29
Modifying the MLD Last Member Query Interval ..............................................24-29
Modifying the MLD Query Response Interval ....................................................24-30
Modifying the MLD Router Timeout ...................................................................24-31
Modifying the Source Timeout ............................................................................24-31
Enabling and Disabling the MLD Querying ........................................................24-32
Modifying the MLD Robustness Variable ...........................................................24-33
Enabling and Disabling the MLD Spoofing .........................................................24-34
Enabling and Disabling the MLD Zapping ..........................................................24-34
Limiting MLD Multicast Groups .........................................................................24-35
IPMS Application Example ........................................................................................24-37
IPMSv6 Application Example ....................................................................................24-39
Displaying IPMS Configurations and Statistics ..........................................................24-41

Contents
OmniSwitch AOS Release 7 Network Configuration Guide June 2013 xix
Displaying IPMSv6 Configurations and Statistics ......................................................24-42
Chapter 25 Configuring QoS .......................................................................................................25-1
In This Chapter ..............................................................................................................25-1
QoS Specifications ........................................................................................................25-3
QoS General Overview .................................................................................................25-4
Classification .................................................................................................................25-6
How Traffic is Classified and Marked ...................................................................25-6
Configuring Trusted Ports ......................................................................................25-8
Congestion Management .............................................................................................25-10
Queue Sets ............................................................................................................25-10
Multicast and Unicast Traffic Distribution ..........................................................25-15
OmniSwitch 10K Queue Management ................................................................25-18
Congestion Avoidance ................................................................................................25-20
WRED Profiles .....................................................................................................25-20
Traffic Policing and Shaping ......................................................................................25-22
Policing .................................................................................................................25-22
Shaping .................................................................................................................25-23
Tri-Color Marking ................................................................................................25-23
Configuring Policy Bandwidth Policing ..............................................................25-26
Configuring Port Bandwidth Shaping ..................................................................25-28
QoS Policy Overview ..................................................................................................25-29
How Policies Are Used ........................................................................................25-29
Policy Lists ...........................................................................................................25-30
Interaction With Other Features ...........................................................................25-30
Valid Policies .......................................................................................................25-30
Policy Conditions .................................................................................................25-31
Policy Actions ......................................................................................................25-32
QoS Defaults ...............................................................................................................25-34
Global QoS Defaults ............................................................................................25-34
QoS Port Defaults .................................................................................................25-34
Queue Management Defaults ...............................................................................25-35
Policy Rule Defaults .............................................................................................25-36
Policy Action Defaults .........................................................................................25-37
Default (Built-in) Policies ....................................................................................25-37
Configuring QoS .........................................................................................................25-38
Configuring Global QoS Parameters ..........................................................................25-39
Enabling/Disabling QoS .......................................................................................25-39
Using the QoS Log ...............................................................................................25-39
Setting the Statistics Interval ................................................................................25-42
Returning the Global Configuration to Defaults ..................................................25-42
Verifying Global Settings .....................................................................................25-42
Creating Policies .........................................................................................................25-43
Quick Steps for Creating Policies ........................................................................25-43
ASCII-File-Only Syntax ......................................................................................25-44
Creating Policy Conditions ..................................................................................25-45

Contents
xx OmniSwitch AOS Release 7 Network Configuration Guide June 2013
Creating Policy Actions .......................................................................................25-46
Creating Policy Rules ...........................................................................................25-47
Creating Policy Lists ............................................................................................25-50
Verifying Policy Configuration ............................................................................25-52
Using Condition Groups in Policies ............................................................................25-53
Sample Group Configuration ...............................................................................25-53
Creating Network Groups ....................................................................................25-54
Creating Services ..................................................................................................25-55
Creating Service Groups ......................................................................................25-56
Creating MAC Groups .........................................................................................25-57
Creating Port Groups ............................................................................................25-58
Verifying Condition Group Configuration ...........................................................25-59
Using Map Groups ......................................................................................................25-60
Sample Map Group Configuration .......................................................................25-60
How Map Groups Work .......................................................................................25-61
Creating Map Groups ...........................................................................................25-61
Verifying Map Group Configuration ...................................................................25-62
Using Access Control Lists .........................................................................................25-63
Layer 2 ACLs .......................................................................................................25-63
Layer 3 ACLs .......................................................................................................25-65
IPv6 ACLs ............................................................................................................25-66
Multicast Filtering ACLs .....................................................................................25-66
Using ACL Security Features ..............................................................................25-67
Applying the Configuration ........................................................................................25-71
Interaction With LDAP Policies ..........................................................................25-72
Verifying the Applied Policy Configuration ........................................................25-73
Policy Applications .....................................................................................................25-74
Basic QoS Policies ...............................................................................................25-74
Redirection Policies ..............................................................................................25-76
Policy Based Mirroring ........................................................................................25-77
ICMP Policy Example ..........................................................................................25-77
802.1p and ToS/DSCP Marking and Mapping ....................................................25-78
Policy Based Routing ...........................................................................................25-79
Chapter 26 Managing Policy Servers .......................................................................................26-1
In This Chapter ..............................................................................................................26-1
Policy Server Specifications .........................................................................................26-2
Policy Server Defaults ...................................................................................................26-2
Policy Server Overview ................................................................................................26-3
Installing the LDAP Policy Server ................................................................................26-3
Modifying Policy Servers .............................................................................................26-4
Modifying LDAP Policy Server Parameters ..........................................................26-4
Disabling the Policy Server From Downloading Policies ......................................26-4
Modifying the Port Number ...................................................................................26-5
Modifying the Policy Server Username and Password ..........................................26-5
Modifying the Searchbase ......................................................................................26-5