Extreme Networks Summit Summit24 User manual

Extreme Networks, Inc.
3585 Monroe Street
Santa Clara, California 95051
[phone]
http://www.extremenetworks.com
Summit24e3 Switch
Installation and User Guide
Software Version 2.0
Published: August 2002
Part number: 100102-00 Rev. 02

2
©2002 Extreme Networks, Inc. All rights reserved. Extreme Networks and BlackDiamond are registered trademarks of
Extreme Networks, Inc. in the United States and certain other jurisdictions. ExtremeWare, ExtremeWare Vista,
ExtremeWorks, ExtremeAssist, ExtremeAssist1, ExtremeAssist2, PartnerAssist, Extreme Standby Router Protocol, ESRP,
SmartTraps, Alpine, Summit, Summit1, Summit4, Summit4/FX, Summit7i, Summit24, Summit48, Summit Virtual
Chassis, SummitLink, SummitGbX, SummitRPS and the Extreme Networks logo are trademarks of Extreme Networks,
Inc., which may be registered or pending registration in certain jurisdictions. The Extreme Turbodrive logo is a service
mark of Extreme Networks, which may be registered or pending registration in certain jurisdictions. Specifications are
subject to change without notice.
NetWare and Novell are registered trademarks of Novell, Inc. Merit is a registered trademark of Merit Network, Inc.
Solaris is a trademark of Sun Microsystems, Inc. F5, BIG/ip, and 3DNS are registered trademarks of F5 Networks, Inc.
see/IT is a trademark of F5 Networks, Inc.
“Data Fellows”, the triangle symbol, and Data Fellows product names and symbols/logos are
trademarks of Data Fellows.
F-Secure SSH is a registered trademark of Data Fellows.
All other registered trademarks, trademarks and service marks are property of their respective owners.
Authors: Megan Mahar, Hugh Bussell
Editor:
Production:
Special Thanks: Andy Jeyanandan, Victor Tseng

Summit24e3 Switch Installation and User Guide 3
Contents
Preface
Introduction 17
Conventions 17
Related Publications 18
Chapter 1 Summit24e3 Switch Overview
Summary of Features 19
Summit24e3 Switch Front View 20
Console Port 20
Reset Button 20
Summit24e3 Switch Rear View 21
Power Socket 21
Serial Number 21
MAC Address 21
Summit24e3 Switch LEDs 21
Port Connections 22
Full-Duplex 22
Mini-GBIC Type and Hardware/Software Support 22
Mini-GBIC Type and Specifications 22
Safety Information 23
Chapter 2 Switch Installation
Determining the Switch Location 25
Following Safety Information 26
Installing the Switch 26
Rack Mounting 26
Free-Standing 27
Stacking the Switch and Other Devices 27

4 - Contents Summit24e3 Switch Installation and User Guide
Connecting Equipment to the Console Port 27
Powering On the Switch 28
Checking the Installation 28
Logging In for the First Time 29
Installing or Replacing a Mini-Gigabit Interface Connector (Mini-GBIC) 30
Safety Information 30
Preparing to Install or Replace a Mini-GBIC 30
Installing and Removing a Mini-GBIC 31
Chapter 3 ExtremeWare Overview
Summary of Features 33
Virtual LANs (VLANs) 34
Spanning Tree Protocol 34
Quality of Service 35
Unicast Routing 35
Load Sharing 35
ESRP-Aware Switches 35
Software Licensing 36
Feature Licensing 36
Security Licensing 37
Obtaining a Security License 37
Security Features Under License Control 37
Software Factory Defaults 38
Chapter 4 Accessing the Switch
Understanding the Command Syntax 39
Syntax Helper 40
Command Shortcuts 40
Summit24e3 Switch Numerical Ranges 40
Names 41
Symbols 41
Line-Editing Keys 41
Command History 42
Common Commands 42
Configuring Management Access 44
User Account 44
Administrator Account 45
Default Accounts 45
Creating a Management Account 46
Domain Name Service Client Services 47

Summit24e3 Switch Installation and User Guide Contents - 5
Checking Basic Connectivity 47
Ping 48
Traceroute 48
Chapter 5 Managing the Switch
Overview 49
Using the Console Interface 50
Using Telnet 50
Connecting to Another Host Using Telnet 50
Configuring Switch IP Parameters 50
Disconnecting a Telnet Session 52
Controlling Telnet Access 52
Using Secure Shell 2 (SSH2) 53
Enabling SSH2 53
Using SNMP 54
Accessing Switch Agents 54
Supported MIBs 54
Configuring SNMP Settings 54
Displaying SNMP Settings 55
Authenticating Users 56
RADIUS Client 56
Configuring TACACS+ 60
Using Network Login 62
Using Network Login in Campus Mode 62
Using Network Login in ISP Mode 65
DHCP Server on the Switch 66
Network Login Configuration Commands 66
Displaying Network Login Settings 66
Disabling Network Login 67
Using the Simple Network Time Protocol 67
Configuring and Using SNTP 67
SNTP Configuration Commands 69
SNTP Example 70
Chapter 6 Configuring Ports on a Switch
Enabling and Disabling Switch Ports 71
Configuring Switch Port Speed and Duplex Setting 71
Switch Port Commands 72
Load Sharing on the Switch 73
Load-Sharing Algorithms 73
Configuring Switch Load Sharing 74
Load-Sharing Example 75

6 - Contents Summit24e3 Switch Installation and User Guide
Verifying the Load-Sharing Configuration 75
Switch Port-Mirroring 75
Port-Mirroring Commands 76
Port-Mirroring Example 76
Extreme Discovery Protocol 76
EDP Commands 77
Chapter 7 Virtual LANs (VLANs)
Overview of Virtual LANs 79
Benefits 79
Types of VLANs 80
Port-Based VLANs 80
Tagged VLANs 82
VLAN Names 84
Default VLAN 84
Renaming a VLAN 85
Configuring VLANs on the Switch 85
VLAN Configuration Commands 85
VLAN Configuration Examples 86
Displaying VLAN Settings 86
Chapter 8 Forwarding Database (FDB)
Overview of the FDB 87
FDB Contents 87
FDB Entry Types 87
How FDB Entries Get Added 88
Associating a QoS Profile with an FDB Entry 88
Configuring FDB Entries 88
FDB Configuration Examples 90
Displaying FDB Entries 90
Chapter 9 Access Policies
Overview of Access Policies 91
Access Control Lists 91
Rate Limits 91
Routing Access Policies 92
Using Access Control Lists 92
Access Masks 92
Access Lists 92
Rate Limits 93
How Access Control Lists Work 94

Summit24e3 Switch Installation and User Guide Contents - 7
Access Mask Precedence Numbers 94
Specifying a Default Rule 94
The permit-established Keyword 95
Adding Access Mask, Access List, and Rate Limit Entries 95
Deleting Access Mask, Access List, and Rate Limit Entries 96
Verifying Access Control List Configurations 96
Access Control List Commands 96
Access Control List Examples 100
Using Routing Access Policies 104
Creating an Access Profile 104
Configuring an Access Profile Mode 104
Adding an Access Profile Entry 104
Deleting an Access Profile Entry 105
Applying Access Profiles 105
Routing Access Policies for RIP 105
Routing Access Policies for OSPF 107
Making Changes to a Routing Access Policy 108
Removing a Routing Access Policy 108
Routing Access Policy Commands 109
Chapter 10 Network Address Translation
(NAT)
Overview 111
Internet IP Addressing 112
Configuring VLANs for NAT 112
NAT Modes 113
Configuring NAT 114
Configuring NAT Rules 114
Creating NAT Rules 114
Creating Static and Dynamic NAT Rules 115
Creating Portmap NAT Rules 115
Creating Auto-Constrain NAT Rules 115
Advanced Rule Matching 116
Configuring Timeouts 116
Displaying NAT Settings 117
Disabling NAT 117
Chapter 11 Ethernet Automatic Protection Switching
Overview of the EAPS Protocol 119
Fault Detection and Recovery 121
Restoration Operations 123

8 - Contents Summit24e3 Switch Installation and User Guide
Commands for Configuring and Monitoring EAPS 123
Creating and Deleting an EAPS Domain 124
Defining the EAPS Mode of the Switch 125
Configuring EAPS Polling Timers 125
Configuring the Primary and Secondary Ports 126
Configuring the EAPS Control VLAN 126
Configuring the EAPS Protected VLANs 127
Enabling and Disabling an EAPS Domain 127
Enabling and Disabling EAPS 128
Unconfiguring an EAPS Ring Port 128
Displaying EAPS Status Information 128
Chapter 12 Quality of Service (QoS)
Overview of Policy-Based Quality of Service 133
Applications and Types of QoS 134
Voice Applications 134
Video Applications 134
Critical Database Applications 134
Web Browsing Applications 135
File Server Applications 135
Configuring QoS for a Port or VLAN 135
Traffic Groupings 136
Access List Based Traffic Groupings 136
MAC-Based Traffic Groupings 137
Explicit Class of Service (802.1p and DiffServ) Traffic Groupings 138
Configuring DiffServ 140
Physical and Logical Groupings 142
Verifying Configuration and Performance 143
QoS Monitor 143
Displaying QoS Profile Information 143
Modifying a QoS Configuration 144
Traffic Rate-Limiting 144
Dynamic Link Context System 144
DLCS Guidelines 145
DLCS Limitations 145
DLCS Commands 145
Chapter 13 Status Monitoring and Statistics
Status Monitoring 147
Port Statistics 149
Port Errors 149

Summit24e3 Switch Installation and User Guide Contents - 9
Port Monitoring Display Keys 150
Setting the System Recovery Level 151
Logging 151
Local Logging 152
Remote Logging 153
Logging Configuration Changes 153
Logging Commands 153
RMON 155
About RMON 155
RMON Features of the Switch 155
Configuring RMON 156
Event Actions 157
Chapter 14 Spanning Tree Protocol (STP)
Overview of the Spanning Tree Protocol 159
Spanning Tree Domains 159
Defaults 160
STPD BPDU Tunneling 160
STP Configurations 160
Configuring STP on the Switch 162
STP Configuration Example 165
Displaying STP Settings 165
Disabling and Resetting STP 165
Chapter 15 IP Unicast Routing
Overview of IP Unicast Routing 167
Router Interfaces 168
Populating the Routing Table 168
Subnet-Directed Broadcast Forwarding 170
Proxy ARP 170
ARP-Incapable Devices 170
Proxy ARP Between Subnets 171
Relative Route Priorities 171
Configuring IP Unicast Routing 172
Verifying the IP Unicast Routing Configuration 172
IP Commands 172
Routing Configuration Example 177
Displaying Router Settings 178
Resetting and Disabling Router Settings 178

10 - Contents Summit24e3 Switch Installation and User Guide
Configuring DHCP/BOOTP Relay 179
Verifying the DHCP/BOOTP Relay Configuration 180
UDP-Forwarding 180
Configuring UDP-Forwarding 180
UDP-Forwarding Example 181
ICMP Packet Processing 181
UDP-Forwarding Commands 181
Chapter 16 Interior Gateway Routing Protocols
Overview 183
RIP Versus OSPF 184
Overview of RIP 184
Routing Table 185
Split Horizon 185
Poison Reverse 185
Triggered Updates 185
Route Advertisement of VLANs 185
RIP Version 1 Versus RIP Version 2 185
Overview of OSPF 186
Link-State Database 186
Areas 187
Point-to-Point Support 190
Route Re-Distribution 191
Configuring Route Re-Distribution 191
OSPF Timers and Authentication 192
Configuring RIP 192
RIP Configuration Example 195
Displaying RIP Settings 196
Resetting and Disabling RIP 196
Configuring OSPF 197
Configuring OSPF Wait Interval 201
Displaying OSPF Settings 202
OSPF LSD Display 202
Resetting and Disabling OSPF Settings 203
Chapter 17 IP Multicast Routing
Overview 205
IGMP Overview 205
Configuring IP Multicasting Routing 206
Displaying IP Multicast Routing Settings 207