Hp Procurve 2910al User manual

Multicast and Routing Guide

ProCurve Switches

W.14.01

2910al

www.procurve.com

HP ProCurve 2910al Switch

September 2009

W.14.03

Multicast and Routing Guide

L.P. The information contained herein is subject to change with-

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

5992-5440

September 2009

Applicable Products

HP ProCurve 2910al-24G Switch J9145A

HP ProCurve 2910al-48G Switch J9147A

HP ProCurve 2910al-24G-PoE+ Switch J9146A

HP ProCurve 2910al-48G-PoE+ Switch J9148A

HP ProCurve 2-Port 10-GbE SFP+ al Module J9008A

HP ProCurve 2-Port 10-GbE CX4 al Module J9149A

HP ProCurve 10-GbE al Interconnect Kit J9165A

Trademark Credits

Microsoft, Windows, and Microsoft Windows NT are US

registered trademarks of Microsoft Corporation.

Disclaimer

The information contained in this 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

FOR A 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 warranties for 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 errors or 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

Product Documentation

About Your Switch Manual Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix

Printed Publications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix

Electronic Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix

Software Feature Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x

1 Getting Started

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Configuration and Operation Examples . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Protocol Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Command Syntax and Displayed Information . . . . . . . . . . . . . . . . . . . . 1-2

Command Syntax Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Command Prompts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Screen Simulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Sources for More Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Getting Documentation From the Web . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Online Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Menu Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Command Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

Web Browser Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

Need Only a Quick Start? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

IP Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

To Set Up and Install the Switch in Your Network . . . . . . . . . . . . . . . 1-8

Physical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

iii

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 of IP Multicast Addresses Allowed . . . . . . . . . . . . . . . . . . 2-6

Number of Multicast Filters Allowed . . . . . . . . . . . . . . . . . . . . . . . 2-6

CLI: Configuring and Displaying IGMP . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

How IGMP Operates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

Operation With or Without IP Addressing . . . . . . . . . . . . . . . . . . . . . . 2-13

Automatic Fast-Leave IGMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

Forced Fast-Leave IGMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

Configuring Delayed Group Flush . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18

IGMP Proxy Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18

How IGMP Proxy Forwarding Works . . . . . . . . . . . . . . . . . . . . . . 2-19

CLI Commands for IGMP Proxy Configuration . . . . . . . . . . . . . . 2-21

VLAN Context Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22

IGMP Proxy Show Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23

Operating Notes for IGMP Proxy Forwarding . . . . . . . . . . . . . . . 2-24

Using the Switch as Querier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26

Excluding Well-Known or Reserved

Multicast Addresses from IP Multicast Filtering . . . . . . . . . . . . . . . 2-27

3 IP Routing Features

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Overview of IP Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

IP Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

IP Tables and Caches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

ARP Cache Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

IP Route Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

IP Forwarding Cache . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

IP Route Exchange Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

IP Global Parameters for Routing Switches . . . . . . . . . . . . . . . . . . . . . 3-8

ARP Age Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

IP Interface Parameters for Routing Switches . . . . . . . . . . . . . . . . . . 3-12

Configuring IP Parameters for Routing Switches . . . . . . . . . . . . . . . 3-13

Configuring IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13

Changing the Router ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13

Configuring ARP Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14

How ARP Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14

Enabling Proxy ARP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

Enabling Local Proxy ARP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17

CLI Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17

Configuring Forwarding Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18

Changing the TTL Threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18

Enabling Forwarding of Directed Broadcasts . . . . . . . . . . . . . . . 3-18

Configuring ICMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20

Disabling ICMP Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20

Disabling Replies to Broadcast Ping Requests . . . . . . . . . . . . . . . 3-20

Disabling ICMP Destination Unreachable Messages . . . . . . . . . . 3-21

Disabling ICMP Redirects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22

Configuring Static IP Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22

Static Route Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22

Other Sources of Routes in the Routing Table . . . . . . . . . . . . . . . . . . 3-23

Static IP Route Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23

Static Route States Follow VLAN States . . . . . . . . . . . . . . . . . . . . . . . 3-24

Configuring a Static IP Route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24

Configuring the Default Route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26

Configuring RIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27

Overview of RIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27

RIP Parameters and Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28

RIP Global Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28

RIP Interface Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28

Configuring RIP Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29

Enabling RIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29

Enabling IP RIP on a VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30

Changing the RIP Type on a VLAN Interface . . . . . . . . . . . . . . . . 3-30

Changing the Cost of Routes Learned on a VLAN Interface . . . . 3-30

Configuring RIP Redistribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31

Define RIP Redistribution Filters . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31

Modify Default Metric for Redistribution . . . . . . . . . . . . . . . . . . . 3-32

Enable RIP Route Redistribution . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32

Changing the Route Loop Prevention Method . . . . . . . . . . . . . . . . . . 3-33

Displaying RIP Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33

Displaying General RIP Information . . . . . . . . . . . . . . . . . . . . . . . 3-34

Displaying RIP Interface Information . . . . . . . . . . . . . . . . . . . . . . 3-36

Displaying RIP Peer Information . . . . . . . . . . . . . . . . . . . . . . . . . . 3-37

Displaying RIP Redistribution Information . . . . . . . . . . . . . . . . . 3-39

Displaying RIP Redistribution Filter (restrict) Information . . . . 3-39

Configuring IRDP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-40

Enabling IRDP Globally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41

Enabling IRDP on an Individual VLAN Interface . . . . . . . . . . . . . . . . 3-41

Displaying IRDP Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43

Configuring DHCP Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43

DHCP Packet Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44

Unicast Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44

Broadcast Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44

Prerequisites for DHCP Relay Operation . . . . . . . . . . . . . . . . . . . . . . . 3-44

Enabling DHCP Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45

Configuring an IP Helper Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45

Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45

Verifying the DHCP Relay Configuration . . . . . . . . . . . . . . . . . . . . . . . 3-45

Displaying the DHCP Relay Setting . . . . . . . . . . . . . . . . . . . . . . . . 3-45

Displaying DHCP Helper Addresses . . . . . . . . . . . . . . . . . . . . . . . 3-46

Displaying the Hop Count Setting . . . . . . . . . . . . . . . . . . . . . . . . . 3-47

DHCP Option 82 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48

Option 82 Server Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-49

Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-50

General DHCP Option 82 Requirements and Operation . . . . . . . 3-51

Option 82 Field Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52

Forwarding Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-54

Configuration Options for Managing DHCP Client Request

Packets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-54

Multiple Option 82 Relay Agents in a Client Request Path . . . . . 3-55

Validation of Server Response Packets . . . . . . . . . . . . . . . . . . . . . 3-56

Multinetted VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-57

Configuring Option 82 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58

Example of Option 82 Configuration . . . . . . . . . . . . . . . . . . . . . . . 3-60

Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-61

UDP Broadcast Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-63

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-63

Subnet Masking for UDP Forwarding Addresses . . . . . . . . . . . . . . . . 3-64

Configuring and Enabling UDP Broadcast Forwarding . . . . . . . . . . . 3-65

Globally Enabling UDP Broadcast Forwarding . . . . . . . . . . . . . . 3-65

Configuring UDP Broadcast Forwarding on Individual VLANs . 3-65

Displaying the Current IP Forward-Protocol Configuration . . . . . . . 3-67

Operating Notes for UDP Broadcast Forwarding . . . . . . . . . . . . . . . . 3-68

Messages Related to UDP Broadcast Forwarding . . . . . . . . . . . . . . . 3-68

Index

vii

viii

Other manuals for PROCURVE 2910AL

This manual suits for next models

Table of contents

Other HP Switch manuals

HP StoreFabric SN6500B User instructions

HP Photosmart 7510 User manual

HP 438031-B21 - 1:10Gb Ethernet BL-c Switch Operating manual

HP ProCurve 5400zl Series User manual

HP 2610 Programming manual

HP 1820 User manual

HP ProCurve Series 2810 User manual

HP 316095-B21 - StorageWorks Edge Switch 2/24 Instruction Manual

HP OV-UX User manual

HP StorageWorks 9100 - Extreme Data Storage... User manual

HP StorageWorks SN6000 Installation and operating manual

HP J3102A User manual

HP A9512 Assembly instructions

HP FlexNetwork 7506X Assembly instructions

HP 5500 HI Series User instructions

HP 316095-B21 - StorageWorks Edge Switch 2/24 Technical manual

HP 263924-002 User manual

HP HP 2530 User manual

HP 86060C Series User manual

HP StorageWorks 2/16 - SAN Switch User manual

HP 5600-48XG-4QSFP+ series User manual

HP 3600 v2 Series User manual

HP ProCurve 10/100 12 User manual

HP Officejet Pro 7500 Series User manual

Popular Switch manuals by other brands

SMC Networks

SMC Networks SMC6224M Technical specifications

Aeotec

Aeotec ZWA003-S operating manual

TRENDnet

TRENDnet TK-209i Quick installation guide

Planet

Planet FGSW-2022VHP user manual

Avocent

Avocent AutoView 2000 AV2000BC AV2000BC Installer/user guide

Moxa Technologies

Moxa Technologies PT-7728 Series user manual

Intos Electronic

Intos Electronic inLine 35392I operating instructions

Cisco

Cisco Catalyst 3560-X-24T Technical specifications

Asante

Asante IntraCore IC3648 Specifications

Siemens

Siemens SIRIUS 3SE7310-1AE Series Original operating instructions

Edge-Core

Edge-Core DCS520 quick start guide

RGBLE

RGBLE S00203 user manual

Thrustmaster

Thrustmaster FLIGHT SIMULATOR X quick guide

Southwire

Southwire SURGE GUARD 41390 RVC troubleshooting guide

Buhler

Buhler Nivotemp NT 61 Brief instructions

Kramer

Kramer VS-41HDCP user manual

Techly

Techly IDATA AU-270 user manual

Belkin

Belkin F1U109 user manual

HP PROCURVE 2910AL User manual

Popular Switch manuals by other brands