Cisco NCS 5500 Series User manual

Interface and Hardware Component Configuration Guide for Cisco
NCS 5500 Series Routers, IOS XR Release 6.1.x
First Published: 2016-08-12
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CONTENTS
Preface Preface ix
Changes to This Document ix
Obtaining Documentation and Submitting a Service Request ix
CHAPTER 1 New and Changed Feature Information 1
New and Changed Information 1
CHAPTER 2 Preconfiguring Physical Interfaces 3
Physical Interface Preconfiguration Overview 3
Prerequisites for Preconfiguring Physical Interfaces 4
Benefits of Interface Preconfiguration 4
How to Preconfigure Physical Interfaces 4
Information About Preconfiguring Physical Interfaces 6
Use of the Interface Preconfigure Command 6
CHAPTER 3 Advanced Configuration and Modification of the Management Ethernet Interface 9
Prerequisites for Configuring Management Ethernet Interfaces 9
Performing Advanced Management Ethernet Interface Configuration 10
Configuring a Management Ethernet Interface 10
IPv6 Stateless Address Auto Configuration on Management Interface 12
Modifying the MAC Address for a Management Ethernet Interface 14
Verifying Management Ethernet Interface Configuration 15
Information About Configuring Management Ethernet Interfaces 16
CHAPTER 4 Configuring Ethernet Interfaces 17
Configuring Gigabit Ethernet Interfaces 17
Information About Configuring Ethernet 21
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Default Configuration Values for 100-Gigabit Ethernet 21
Ethernet MTU 21
CHAPTER 5 Configuring Ethernet OAM 23
Configuring Ethernet OAM 23
Information About Configuring Ethernet OAM 24
Ethernet Link OAM 24
Neighbor Discovery 24
Link Monitoring 25
MIB Retrieval 25
Miswiring Detection (Cisco-Proprietary) 25
SNMP Traps 25
Ethernet CFM 25
Maintenance Domains 26
Services 28
Maintenance Points 28
MIP Creation 28
MEP and CFM Processing Overview 29
CFM Protocol Messages 31
Continuity Check (IEEE 802.1ag and ITU-T Y.1731) 31
Loopback (IEEE 802.1ag and ITU-T Y.1731) 34
Linktrace (IEEE 802.1ag and ITU-T Y.1731) 34
Configurable Logging 36
Flexible VLAN Tagging for CFM 36
How to Configure Ethernet OAM 37
Configuring Ethernet Link OAM 37
Configuring an Ethernet OAM Profile 38
Attaching an Ethernet OAM Profile to an Interface 43
Configuring Ethernet OAM at an Interface and Overriding the Profile
Configuration 45
Verifying the Ethernet OAM Configuration 46
Configuring Ethernet CFM 47
Configuring a CFM Maintenance Domain 47
Configuring Services for a CFM Maintenance Domain 48
Enabling and Configuring Continuity Check for a CFM Service 50
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Contents

Configuring Automatic MIP Creation for a CFM Service 52
Configuring Cross-Check on a MEP for a CFM Service 53
Configuring Other Options for a CFM Service 55
Configuring CFM MEPs 58
Configuring Y.1731 AIS 60
Configuring AIS in a CFM Domain Service 60
Configuring AIS on a CFM Interface 62
Configuring Flexible VLAN Tagging for CFM 63
Verifying the CFM Configuration 64
Troubleshooting Tips 65
Configuration Examples for Ethernet OAM 66
Configuration Examples for EOAM Interfaces 66
Configuring an Ethernet OAM Profile Globally: Example 66
Configuring Ethernet OAM Features on an Individual Interface: Example 67
Configuring Ethernet OAM Features to Override the Profile on an Individual Interface:
Example 67
Clearing Ethernet OAM Statistics on an Interface: Example 68
Enabling SNMP Server Traps on a Router: Example 68
Configuration Examples for Ethernet CFM 68
Ethernet CFM Domain Configuration: Example 68
Ethernet CFM Service Configuration: Example 68
Flexible Tagging for an Ethernet CFM Service Configuration: Example 69
Continuity Check for an Ethernet CFM Service Configuration: Example 69
MIP Creation for an Ethernet CFM Service Configuration: Example 69
Cross-check for an Ethernet CFM Service Configuration: Example 69
Other Ethernet CFM Service Parameter Configuration: Example 69
MEP Configuration: Example 69
Ethernet CFM Show Command: Examples 70
AIS for CFM Configuration: Examples 72
AIS for CFM Show Commands: Examples 73
show ethernet cfm interfaces ais Command: Example 73
show ethernet cfm local meps Command: Examples 74
show ethernet cfm local meps detail Command: Example 75
CHAPTER 6 Integrated Routing and Bridging 77
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Contents

Bridge-Group Virtual Interface 78
Supported Features on a BVI 78
BVI Interface and Line Protocol States 78
Prerequisites for Configuring IRB 79
Restrictions for Configuring IRB 79
How to Configure IRB 80
Configuring the Bridge Group Virtual Interface 80
Configuration Guidelines 80
Configuring the Layer 2 AC Interfaces 82
Configuring a Bridge Group and Assigning Interfaces to a Bridge Domain 83
Associating the BVI as the Routed Interface on a Bridge Domain 85
Displaying Information About a BVI 86
Additional Information on IRB 87
Packet Flows Using IRB 87
Packet Flows When Host A Sends to Host B on the Bridge Domain 88
Packet Flows When Host A Sends to Host C From the Bridge Domain to a Routed
Interface 88
Packet Flows When Host C Sends to Host B From a Routed Interface to the Bridge
Domain 88
Configuration Examples for IRB 89
Basic IRB Configuration: Example 89
IPv4 Addressing on a BVI Supporting Multiple IP Networks: Example 89
IRB With BVI and VRRP Configuration: Example 89
CHAPTER 7 Configuring Link Bundling 91
Features and Compatible Characteristics of Ethernet Link Bundles 92
Configuring Ethernet Link Bundles 93
Configuring LACP Fallback 97
Configuring EFP Load Balancing on an Ethernet Link Bundle 98
VLANs on an Ethernet Link Bundle 100
Configuring VLAN over Bundles 101
102
LACP Short Period Time Intervals 105
Configuring the Default LACP Short Period Time Interval 106
Configuring Custom LACP Short Period Time Intervals 108
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Configuring VPWS Cross-Connects in MC-LAG 114
Configuring VPLS in MC-LAG 116
Information About Configuring Link Bundling 119
IEEE 802.3ad Standard 119
Link Bundle Configuration Overview 120
Link Switchover 120
LACP Fallback 120
Failure Cases 121
CHAPTER 8 Configuring Traffic Mirroring 123
Introduction to Traffic Mirroring 123
Traffic Mirroring Types 124
Restrictions 124
How to Configure Traffic Mirroring 125
Configuring Remote Traffic Mirroring 125
Attaching the Configurable Source Interface 127
Configuring UDF-Based ACL for Traffic Mirroring 129
Additional Information on Traffic Mirroring 131
Traffic Mirroring Terminology 131
Characteristics of the Source Port 131
Characteristics of the Monitor Session 132
Characteristics of the Destination Port 133
Traffic Mirroring Configuration Examples 133
Traffic Mirroring with Physical Interfaces (Local): Example 133
Viewing Monitor Session Status: Example 134
Troubleshooting Traffic Mirroring 135
Verifying UDF-based ACL 137
CHAPTER 9 Configuring Virtual Loopback and Null Interfaces 139
Information About Configuring Virtual Interfaces 139
Virtual Loopback Interface Overview 139
Prerequisites for Configuring Virtual Interfaces 140
Configuring Virtual Loopback Interfaces 140
Null Interface Overview 142
Configuring Null Interfaces 142
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Contents

Configuring Virtual IPv4 Interfaces 144
CHAPTER 10 Configuring 802.1Q VLAN Interfaces 147
How to Configure 802.1Q VLAN Interfaces 147
Configuring 802.1Q VLAN Subinterfaces 148
Verification 150
Configuring an Attachment Circuit on a VLAN 150
Removing an 802.1Q VLAN Subinterface 152
Information About Configuring 802.1Q VLAN Interfaces 153
Subinterfaces 153
Subinterface MTU 154
EFPs 154
Layer 2 VPN on VLANs 154
CHAPTER 11 Configuring GRE Tunnels 155
Configuring GRE Tunnels 155
IP-in-IP De-capsulation 156
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Contents

Preface
The Interface and Hardware Component Configuration Guide for Cisco NCS 5500 Series Routers provides
information and procedures related to router interface and hardware configuration.
The preface contains the following sections:
•Changes to This Document, page ix
•Obtaining Documentation and Submitting a Service Request, page ix
Changes to This Document
This table lists the technical changes made to this document since it was first released.
Table 1: Changes to This Document
SummaryDate
Added ERSPAN and LACP Fallback features.May 2017
Added IP-in-IP De-capsulation feature for Release
6.1.3
February 2017
Initial release of this document.November 2016
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional information,
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Interface and Hardware Component Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 6.1.x
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Interface and Hardware Component Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release
6.1.x
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Preface
Obtaining Documentation and Submitting a Service Request