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Brocade FastIron Ethernet Switch IP Multicast Configuration Guide User Manual

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Contents

Preface.....................................................................................................................................7

Document conventions......................................................................................7

Text formatting conventions.................................................................. 7
Command syntax conventions.............................................................. 7
Notes, cautions, and warnings.............................................................. 8

Brocade resources............................................................................................ 9
Getting technical help........................................................................................9
Document feedback........................................................................................ 10

About This Guide.....................................................................................................................11

Introduction..................................................................................................... 11

Supported hardware............................................................................11

What’s new in this document.......................................................................... 11
How command information is presented in this guide.....................................12

IPv4 Multicast Traffic Reduction.............................................................................................. 13

Supported IPv4 Multicast Traffic Reduction.................................................... 13
IGMP snooping overview................................................................................ 13

Queriers and non-queriers.................................................................. 14
VLAN-specific configuration................................................................ 15
Tracking and fast leave....................................................................... 15
Support for IGMP snooping and Layer 3 multicast routing

together on the same device......................................................... 15

Forwarding mechanism in hardware................................................... 15
Hardware resources for IGMP and PIM-SM snooping........................16
Configuration notes and feature limitations for IGMP snooping

and Layer 3 multicast routing........................................................ 16

IGMP snooping configuration..........................................................................17

IGMP snooping mcache entries and group addresses....................... 18
Changing the maximum number of supported IGMP snooping

mcache entries.............................................................................. 18

Setting the maximum number of IGMP group addresses................... 19
Enabling IGMP snooping globally on the device.................................19
Configuring the IGMP mode................................................................19
Configuring the IGMP version............................................................. 20
Configuring static groups to specific ports.......................................... 21
Disabling IGMP snooping on a VLAN................................................. 22
Modifying the age interval for group membership entries................... 22
Modifying the query interval (active IGMP snooping mode only)........ 22
Modifying the maximum response time...............................................22
Configuring report control....................................................................23
Modifying the wait time before stopping traffic when receiving a

leave message.............................................................................. 23

Modifying the multicast cache age time.............................................. 23
Enabling or disabling error and warning messages............................ 24
Configuring static router ports............................................................. 24
Turning off static group proxy..............................................................24

FastIron Ethernet Switch IP Multicast Configuration Guide

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