HP 6200YL User manual

6200yl
Multicast and Routing Guide
5400zl
3500yl
ProCurve Switches
K.11.XX
www.procurve.com

ProCurve
Series 5400zl Switches
Series 3500yl Switches
6200yl Switch
January 2006
K.11.xx
Multicast and Routing Guide

© Copyright 2000-2006 Hewlett-Packard Development Company,
L.P.The information contained herein is subject to change with-
out notice. All Rights Reserved.
This document contains proprietary information, which is
protected by copyright. No part of this document may be
photocopied, reproduced, or translated into another
language without the prior written consent of Hewlett-
Packard.
Publication Number
5991-4692
January 2006
Applicable Products
ProCurve Switch 5406zl (J8697A)
ProCurve Switch 5412zl (J8698A)
ProCurve Switch 3500yl-24G-PWR Intelligent Edge (J8692A)
ProCurve Switch 3500yl-48G-PWR Intelligent Edge (J8693A)
ProCurve Switch 6200yl-24G (J8992A)
Trademark Credits
Microsoft, Windows, and Microsoft Windows NT are US
registered trademarks of Microsoft Corporation.
Disclaimer
The information contained inthis document is subject to
change without notice.
HEWLETT-PACKARD COMPANY MAKES NO WARRANTY
OF ANY KIND WITH REGARD TO THIS MATERIAL,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS
FORA PARTICULAR PURPOSE. Hewlett-Packard shall not
be liable for errors contained herein or for incidental or
consequential damages in connection with the furnishing,
performance, or use of this material.
The only warrantiesfor HP products and services are set
forth in the express warranty statements accompanying
such products and services. Nothing herein should be
construed as constituting an additional warranty. HP shall
not be liable for technical or editorial errorsor omissions
contained herein.
Hewlett-Packard assumes no responsibility for the use or
reliability of its software on equipment that is not furnished
by Hewlett-Packard.
Warranty
See the Customer Support/Warranty booklet included with
the product.
A copy of the specific warranty terms applicable to your
Hewlett-Packard products and replacement parts can be
obtained from your HP Sales and Service Office or
authorized dealer.
Hewlett-Packard Company
8000 Foothills Boulevard, m/s 5551
Roseville,California 95747-5551
http://www.procurve.com

Contents
Contents
Product Documentation
About Your Switch Manual Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Feature Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv
1 Getting Started
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Feature Descriptions by Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Command Syntax Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Command Prompts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Screen Simulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Port Identity Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Configuration and Operation Examples . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Sources for More Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Getting Documentation From the Web . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Online Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Need Onlya Quick Start? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
IP Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
To Set Up and Install the Switch in Your Network . . . . . . . . . . . . . . . 1-9
Physical Installation . . .. . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Premium Edge Switch Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
iii

Contents
2 Multimedia Traffic Control with IP
Multicast (IGMP)
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
IGMP General Operation and Features . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
IGMP Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
IGMP Operating Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Enhancements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Number ofIP Multicast Addresses Allowed . . . . . . . . . . . . . . . . . . 2-6
CLI: Configuring and Displaying IGMP . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
How IGMP Operates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Operation With or Without IP Addressing . . . . . . . . . . . . . . . . . . . . . . 2-12
Automatic Fast-Leave IGMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Forced Fast-Leave IGMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Configuring Delayed Group Flush . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Using the Switch as Querier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Excluding Well-Known or Reserved Multicast Addresses from
IP Multicast Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
3 PIM-DM (Dense Mode)
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Feature Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
PIM-DM Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Multicast Flow Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
General Configuration Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
PIM-DM Operating Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
iv

Contents
Configuring PIM-DM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Global and PIM Configuration Contexts . . . . . . . . . . . . . . . . . . . . . . . 3-12
PIM VLAN (Interface) Configuration Context . . . . . . . . . . . . . . . . . . . 3-15
DisplayingPIM Data and Configuration Settings . . . . . . . . . . . . . . . 3-22
Displaying PIM Route Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23
Displaying PIM Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28
Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-37
Messages Related to PIM Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38
Applicable RFCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41
Exceptions toSupport for RFC 2932 - Multicast Routing MIB . . 3-42
4 PIM-SM (Sparse Mode)
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Feature Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
PIM-SM OperationandRouter Types . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
PIM-SM Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Rendezvous-Point Tree (RPT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Shortest-Path Tree (SPT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Restricting Multicast Traffic to Rendezvous-Point
Trees (RPTs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
Maintaining an Active Route for Multicast Group Members . . . 4-11
Border Routers and Multiple PIM-SM Domains . . . . . . . . . . . . . . 4-12
PIM-SM Router Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Designated Router (DR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Bootstrap Router (BSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
Rendezvous Point (RP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
StaticRendezvous Point (Static-RP) . . . . . . . . . . . . . . . . . . . . . . . 4-17
Operating Rules and Recommendations . . . . . . . . . . . . . . . . . . . . . . . . 4-19
v

Contents
Configuration Steps for PIM-SM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
Planning Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
Per-Router Global Configuration Context . . . . . . . . . . . . . . . . . . . . . . 4-20
Per-VLAN PIM-SM Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
Router PIM Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
Configuring PIM-SM on the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25
Global Configuration Context for Supporting PIM-SM . . . . . . . . . . . 4-26
Global Configuration Context Commands . . . . . . . . . . . . . . . . . . 4-26
Example of Configuring for PIM Support at the GlobalLevel . . 4-27
VLAN Context Commands for Configuring PIM-SM . . . . . . . . . . . . . . 4-28
Enabling or Disabling IGMP in a VLAN . . . . . . . . . . . . . . . . . . . . . 4-28
Enabling or Disabling PIM-SM Per-VLAN . . . . . . . . . . . . . . . . . . . 4-29
Changingthe Interval for PIM-SM Neighbor Notification . . . . . 4-30
Changing the Randomized Delay Setting for
PIM-SM Neighbor Notification . . .. . . . . . . . . . . . . . . . . . . . . . . . . 4-31
Changing the PIM-SM Neighbor Timeout Interval . . . . . . . . . . . . 4-31
Enabling or Disabling LAN Prune Delay . . . . . . . . . . . . . . . . . . . . 4-32
Changing the LAN-Prune-Delay Interval . . . . . . . . . . . . . . . . . . . . 4-33
Changing the DR (Designated Router) Priority . . . . . . . . . . . . . . 4-33
Example of Configuring PIM-SM Support in a VLAN Context . . 4-34
Router PIM ContextCommands for Configuring PIM-SM Operation 4-35
Configuring a BSR Candidate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35
Configuring Candidate-RPs on PIM-SM Routers . . . . . . . . . . . . . 4-37
Enabling, Disabling, or Changing RouterPIM
Notification Traps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41
Changing the Global Join-Prune Interval on the Router . . . . . . . 4-42
Changing the Shortest-Path Tree (SPT) Operation . . . . . . . . . . . . . . . 4-42
Statically Configuring an RP To Accept Multicast Traffic . . . . . . . . . 4-42
Example of Configuring PIM-SM Support in the
Router PIM Context . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-43
Displaying PIM-SM Data and Configuration Settings. . . . . . . . . . . 4-46
Displaying Multicast Route Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-47
Listing Basic Route Data for Active Multicast Groups . . . . . . . . 4-47
Listing Data for an ActiveMulticast Group . . . . . . . . . . . . . . . . . 4-48
Listing All VLANs Having Currently Active PIM Flows . . . . . . . . 4-50
vi

Contents
DisplayingPIM-Specific Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-51
Displaying the Current PIM status and Global Configuration . . 4-51
Displaying Current PIM Entries Existing In the Multicast
Routing Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-52
Displaying a SpecificPIM Entry Stored in the Multicast
Routing Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-53
Listing Currently Configured PIM Interfaces . . . . . . . . . . . . . . . . 4-55
Displaying IP PIM VLAN Configurations . . . . . . . . . . . . . . . . . . . 4-55
Displaying PIM Neighbor Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-57
Displaying BSR Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-59
Displaying BSR Status and Configuration . . . . . . . . . . . . . . . . . . 4-59
Listing Non-Default BSR Configuration Settings . . . . . . . . . . . . . 4-60
Displaying the Current RP Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-61
Displaying Candidate-RP Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-63
Displaying the Router’s Candidate-RP Status
and Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-63
Listing Non-Default C-RP Configuration Settings . . . . . . . . . . . . 4-64
Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-65
Event Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-66
5 IP Routing Features
Overview of IP Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
IP Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
IP Tables and Caches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
ARP Cache Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
IP Route Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
IP Forwarding Cache . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
IP Route Exchange Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
IP Global Parameters for Routing Switches . . . . . . . . . . . . . . . . . . . . . 5-7
IP Interface Parameters for Routing Switches . . . . . . . . . . . . . . . . . . . 5-9
vii

Contents
Configuring IP Parameters for Routing Switches . . . . . . . . . . . . . . . 5-10
Configuring IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Changing the Router ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Configuring ARP Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
How ARP Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Enabling Proxy ARP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
Configuring Forwarding Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
Changing the TTL Threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Enabling Forwarding of Directed Broadcasts . . . . . . . . . . . . . . . 5-14
Configuring ICMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
Disabling ICMP Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
Disabling Replies to Broadcast Ping Requests . . . . . . . . . . . . . . . 5-15
Disabling ICMP Destination Unreachable Messages . . . . . . . . . . 5-16
Disabling ICMP Redirects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
Configuring Static IP Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
Static Route Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
Other Sources of Routes in the Routing Table . . . . . . . . . . . . . . . . . . 5-18
Static IP Route Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
Static Route States Follow VLAN States . . . . . . . . . . . . . . . . . . . . . . . 5-19
Configuring a Static IP Route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19
Displaying Static Route Information . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21
Configuring the Default Route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21
Configuring RIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-22
Overview of RIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-22
RIP Parameters and Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-23
RIP Global Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-23
RIP Interface Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-23
Configuring RIP Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-24
Enabling RIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-24
Enabling IP RIP on a VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-25
Changing the RIP Type on a VLAN Interface . . . . . . . . . . . . . . . . 5-25
Changing the Cost of Routes Learned on a VLAN Interface . . . . 5-25
Configuring RIP Redistribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-26
Define RIP Redistribution Filters . . . . . . . . . . . . . . . . . . . . . . . . . . 5-26
Modify DefaultMetric for Redistribution . . . . . . . . . . . . . . . . . . . 5-27
viii

Contents
Enable RIP Route Redistribution . . . . . . . . . . . . . . . . . . . . . . . . . . 5-27
Changing the Route Loop Prevention Method . . . . . . . . . . . . . . . . . . 5-28
Displaying RIP Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28
Displaying General RIP Information . . . . . . . . . . . . . . . . . . . . . . . 5-29
Displaying RIP Interface Information . . . . . . . . . . . . . . . . . . . . . . 5-31
Displaying RIP Peer Information . . . . . . . . . . . . . . . . . . . . . . . . . . 5-32
DisplayingRIP Redistribution Information . . . . . . . . . . . . . . . . . 5-34
Displaying RIP Redistribution Filter (restrict) Information . . . . 5-34
Configuring OSPF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-35
Overview of OSPF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-35
DesignatedRouters in Multi-Access Networks . . . . . . . . . . . . . . 5-36
Designated Router Election . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-36
OSPF RFC 1583 and 2328 Compliance . . . . . . . . . . . . . . . . . . . . . 5-37
Reduction of Equivalent AS External LSAs . . . . . . . . . . . . . . . . . 5-37
Dynamic OSPF Activation and Configuration . . . . . . . . . . . . . . . 5-39
Configuring OSPF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-39
Configuration Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-40
OSPF Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-40
Enabling OSPF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-41
Assigning OSPF Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-41
Assigning an AreaRange (optional) . . . . . . . . . . . . . . . . . . . . . . . 5-43
Assigning VLANs to an Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-44
Modifying Interface Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-44
OSPF Interface Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-45
Assigning Virtual Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-46
Modifying Virtual Link Parameters . . . . . . . . . . . . . . . . . . . . . . . . 5-48
Virtual Link Parameter Descriptions . . .. . .. . . . . . . . . . . . . . . . . 5-48
Defining Redistribution Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-49
Modifying Default Metric for Redistribution . . . . . . . . . . . . . . . . 5-50
Enabling Route Redistribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-51
Modifying Redistribution Metric Type . . . . . . . . . . . . . . . . . . . . . 5-51
Administrative Distance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-51
Modifying OSPFTraps Generated . . . . . . . . . . . . . . . . . . . . . . . . . 5-52
Modifying OSPF Standard Compliance Setting . . . . . . . . . . . . . . 5-53
ix

Contents
Displaying OSPFInformation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-54
Displaying General OSPF Configuration Information . . . . . . . . . 5-54
Displaying OSPFArea Information . . . . . . . . . . . . . . . . . . . . . . . . 5-56
Displaying OSPF External Link State Information . . . . . . . . . . . 5-57
Displaying OSPF Interface Information . . . . . . . . . . . . . . . . . . . . 5-58
Displaying OSPF Interface Information for a Specific VLAN
or IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-60
Displaying OSPFLink State Information . . . . . . . . . . . . . . . . . . . 5-61
Displaying OSPF Neighbor Information . . . . . . . . . . . . . . . . . . . . 5-63
Displaying OSFPF Redistribution Information . . . . . . . . . . . . . . 5-65
Displaying OSFPF Redistribution Filter (restrict) Information . 5-65
Displaying OSPFVirtual Neighbor Information . . . . . . . . . . . . . . 5-66
Displaying OSPFVirtual Link Information . . . . . . . . . . . . . . . . . . 5-67
Displaying OSPFRoute Information . . . . . . . . . . . . . . . . . . . . . . . 5-69
OSPF Equal-Cost Multipath (ECMP) for Different
Subnets Available Through the Same
Next-Hop Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-71
Displaying the Current IP Load-Sharing Configuration . . . . . . . 5-72
Configuring IRDP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-74
Enabling IRDP Globally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-75
Enabling IRDPon an IndividualVLAN Interface . . . . . . . . . . . . . . . . 5-75
Displaying IRDP Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-76
Configuring DHCP Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-77
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-77
DHCP Option 82 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-77
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-77
Option 82 Server Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-79
Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-79
General DHCP Option 82 Requirements and Operation . . . . . . . 5-80
Option 82 Field Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-81
Forwarding Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-84
Multiple Option 82 Relay Agents in a Client Request Path . . . . . 5-85
Validation of Server Response Packets . . . . . . . . . . . . . . . . . . . . . 5-86
Multinetted VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-88
Configuring Option 82 Operation on the Routing Switch . . . . . . 5-89
Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-90
x

Contents
DHCP Packet Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-91
Unicast Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-91
Broadcast Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-91
Minimum Requirements for DHCP Relay Operation . . . . . . . . . . . . . 5-92
Enabling DHCP Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-92
Configuring a Helper Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-92
Viewing the Current DHCP Relay Configuration . . . . . . . . . . . . . 5-93
UDP Broadcast Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-94
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-94
Subnet Masking for UDP Forwarding Addresses . . . . . . . . . . . . . . . . 5-95
Configuring and Enabling UDP Broadcast Forwarding . . . . . . . . . . . 5-96
Globally Enabling UDP Broadcast Forwarding . . . . . . . . . . . . . . 5-96
Configuring UDP Broadcast Forwarding on Individual VLANs .5-96
Displaying the Current IP Forward-Protocol Configuration . . . . . . . 5-98
Operating Notes for UDP Broadcast Forwarding . . . . . . . . . . . . . . . . 5-99
Messages Related to UDP Broadcast Forwarding . . . . . . . . . . . . . . . 5-99
6 Virtual Router Redundancy Protocol (VRRP)
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
General Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Virtual Router (VR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Virtual IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Master Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Owner Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Backup Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
Virtual Router MAC Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
VRRP and ARP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
General Operating Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
Steps for Provisioning VRRP Operation . . . . . . . . . . . . . . . . . . . . . . . . 6-13
Basic Configuration Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
Example Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-15
Associating More ThanOne Virtual IP Address With a VR . . . . . . . . 6-17
xi

Contents
Configuring VRRP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
Enabling VRRP in the Global Configuration Context . . . . . . . . . 6-18
Creating a VRand Entering the VRContext . . . . . . . . . . . . . . . . . . . . 6-19
Configuring a VR Instanceon a VLAN Interface . . . . . . . . . . . . . . . . . 6-20
Changing VR Advertisement Interval and Source IP Address . . 6-22
Preempt Mode on VRRP Backup Routers . . . . . . . . . . . . . . . . . . . 6-24
Enabling or Disabling VRRP Operation on a VR . . . . . . . . . . . . . 6-24
Displaying VRRP Configuration and Statistics Data . . . . . . . . . . . . 6-25
VRRP Configuration Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25
Displaying the VRRP Global Configuration . . . . . . . . . . . . . . . . . 6-25
Displaying All VR Configurations on the Router . . . . . . . . . . . . . 6-25
Displaying a SpecificVR Configuration . . . . . . . . . . . . . . . . . . . . 6-27
VRRP Statistics Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-28
DisplayingGlobal VRRP Statistics Only . . . . . . . . . . . . . . . . . . . . 6-28
Displaying Statistics for All VRRP Instances on the Router . . . . 6-29
Displaying Statistics for All VRRPInstances in a VLAN . . . . . . . 6-32
Displaying Statistics for a Specific VRRP Instance . . . . . . . . . . . 6-33
Standards Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-33
Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-34
Event Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-35
Index
xii

Product Documentation
About Your Switch Manual Set
The switch manual set includes the following documentation:
■ Read Me First—a printed guide shipped with your switch. Provides
software update information, product notes, and other information.
■ Installation and Getting Started Guide—a printed guide shipped with
your switch. This guide explains how to prepare for and perform the
physical installation and connect the switch to your network.
■ Management and Configuration Guide—included as a PDF file on the
Documentation CD. This guide describes how toconfigure, manage, and
monitor basic switch operation.
■ Advanced Traffic Management Guide—included as a PDF file on the
Documentation CD. Thisguide explains how to configure traffic manage-
ment features such as VLANs, MSTP, QoS, and Meshing.
■ Multicast and Routing Guide—included as a PDF file on the Documen-
tation CD. This guide explains how to configure IGMP, PIM, IP routing,
and VRRP features.
■ Access Security Guide—included as a PDF file on the Documentation CD.
This guide explains how to configure access security features and user
authentication on the switch.
■ Release Notes—posted onthe ProCurve Networking web site to provide
information on software updates. The release notes describe new fea-
tures, fixes, and enhancements thatbecome available between revisions
of the main product guide.
Note For the latest version of all ProCurve switchdocumentation, including
Release Notes covering recently added features, visit the ProCurve Network-
ing web sit at http://www.procurve.com, click on Technical support, and then
click on Product manuals (all).
xiii

Product Documentation
Feature Index
Feature Index
For the manual set supporting your switch model,the following feature index
indicates which manual to consult for information on a given software feature.
Feature Management
and
Configuration
Advanced
Traffic
Management
Multicast
and
Routing
Access
Security
Guide
802.1Q VLAN Tagging X
802.1X Port-Based Priority X
802.1X Multiple Authenticated Clients per port X
ACLs X
AAA Authentication X
Authorized IP Managers X
Authorized Manager List (web, telnet, TFTP) X
Auto MDIX Configuration X
BOOTP X
Config File X
Console Access X
Copy Command X
CoS (Class of Service) X
Debug X
DHCP Configuration X
DHCP Option 82 X
DHCP/Bootp Operation X
Diagnostic Tools X
Downloading Software X
Eavesdrop Protection X
Event Log X
xiv

Product Documentation
Feature Index
Factory Default Settings X
Feature Management
and
Configuration
Advanced
Traffic
Management
Multicast
and
Routing
Access
Security
Guide
Flow Control (802.3x) X
File Management X
File Transfers X
Friendly Port Names X
Guaranteed Minimum Bandwidth (GMB) X
GVRP X
Identity-Driven Management (IDM) X
IGMP
Interface Access (Telnet, Console/Serial, Web) X
X
IP Addressing X
IP Routing X
Jumbos Support X
LACP X
Link X
LLDP X
LLDP-Med X
MAC Address Management X
MAC Lockdown X
MAC Lockout X
MAC-basedAuthentication X
MAC authentication RADIUS support X
Management VLAN X
Meshing X
Monitoring and Analysis X
Multicast Filtering X
Multiple Configuration Files X
xv

Product Documentation
Feature Index
Feature Management
and
Configuration
Advanced
Traffic
Management
Multicast
and
Routing
Access
Security
Guide
NAT X
Network Management Applications (SNMP) X
OpenView Device Management X
OSPF X
Passwords and Password Clear Protection X
PCM X
PIM-DM; PIM-SM X
Ping X
Port Configuration X
Port Monitoring
Port Security X
X
Port Status X
Port Trunking (LACP) X
Port-Based Access Control
Port-Based Priority (802.1Q) X
X
Power overEthernet (PoE) X
Protocol Filters X
Protocol VLANS X
Quality of Service (QoS) X
RADIUS Authentication and Accounting X
RADIUS-Based Configuration X
Rate-limiting X
RIP X
RMON 1,2,3,9 X
Routing X
Routing - IP Static X
Secure Copy X
xvi

Product Documentation
Feature Index
SFLOW
Feature Management
and
Configuration
Advanced
Traffic
Management
Multicast
and
Routing
Access
Security
Guide
SFTP X
SNMPv3 X
Software Downloads (SCP/SFTP, TFPT, Xmodem) X
Source-Port Filters X
Spanning Tree (STP, RSTP,MSTP) X
SSHv2 (Secure Shell) Encryption
SSL (Secure Socket Layer) X
X
Stack Management (3500yl and 6200yl switches only) X
Syslog X
System Information X
TACACS+ Authentication X
Telnet Access X
TFTP X
Time Protocols (TimeP, SNTP) X
Traffic/Security Filters X
Troubleshooting X
UDP Forwarder X
Virus Throttling (connection-rate filtering)
VLANs X
X
VLAN Mirroring (1 static VLAN) X
Voice VLAN X
VRRP
Web Authentication RADIUS Support X
X
Web-based Authentication X
Web UI X
Xmodem X
xvii

Product Documentation
Feature Index
xviii