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MLD snooping configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6<br />
Configuring the hardware and software resource limits . . . . . . . 7<br />
Configuring the global MLD mode . . . . . . . . . . . . . . . . . . . . . . . . 8<br />
Modifying the age interval. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8<br />
Modifying the query interval (active MLD snooping<br />
mode only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8<br />
Configuring the global MLD version . . . . . . . . . . . . . . . . . . . . . . . 9<br />
Configuring report control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9<br />
Modifying the wait time before stopping traffic when<br />
receiving a leave message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9<br />
Modifying the multicast cache (mcache) aging time. . . . . . . . . 10<br />
Disabling error and warning messages . . . . . . . . . . . . . . . . . . .10<br />
Configuring the MLD mode for a VLAN. . . . . . . . . . . . . . . . . . . . 10<br />
Disabling MLD snooping for the VLAN . . . . . . . . . . . . . . . . . . . .11<br />
Configuring the MLD version for the VLAN. . . . . . . . . . . . . . . . .11<br />
Configuring the MLD version for individual ports . . . . . . . . . . .11<br />
Configuring static groups. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11<br />
Configuring static router ports . . . . . . . . . . . . . . . . . . . . . . . . . .12<br />
Disabling static group proxy . . . . . . . . . . . . . . . . . . . . . . . . . . . .12<br />
Enabling MLDv2 membership tracking and fast leave<br />
for the VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12<br />
Configuring fast leave for MLDv1 . . . . . . . . . . . . . . . . . . . . . . . .13<br />
Enabling fast convergence . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13<br />
Displaying MLD snooping information . . . . . . . . . . . . . . . . . . . . . . . . 14<br />
Clearing MLD snooping counters and mcache . . . . . . . . . . . . . . . . .19<br />
PIM6 SM traffic snooping overview . . . . . . . . . . . . . . . . . . . . . . . . . .20<br />
Application examples of PIM6 SM traffic snooping. . . . . . . . . .20<br />
Configuration notes and limitations for<br />
PIM6 SM snooping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22<br />
PIM6 SM snooping configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . .23<br />
Enabling or disabling PIM6 SM snooping. . . . . . . . . . . . . . . . . .23<br />
Enabling PIM6 SM snooping on a VLAN. . . . . . . . . . . . . . . . . . . 24<br />
Disabling PIM6 SM snooping on a VLAN . . . . . . . . . . . . . . . . . . 24<br />
PIM6 SM snooping show commands . . . . . . . . . . . . . . . . . . . . . . . . 24<br />
Displaying PIM6 SM snooping information . . . . . . . . . . . . . . . .25<br />
Displaying PIM6 SM snooping for a VLAN . . . . . . . . . . . . . . . . .25<br />
Chapter 2<br />
IPv4 Multicast Traffic Reduction<br />
IGMP snooping overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27<br />
Queriers and non-queriers . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28<br />
VLAN-specific configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . .29<br />
Tracking and fast leave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29<br />
Support for IGMP snooping and Layer 3 multicast routing<br />
together on the same device . . . . . . . . . . . . . . . . . . . . . . . . . . .29<br />
Forwarding mechanism in hardware . . . . . . . . . . . . . . . . . . . . .30<br />
Hardware resources for IGMP/PIM-SM snooping . . . . . . . . . . .30<br />
Configuration notes and feature limitations<br />
for IGMP snooping and Layer 3 multicast routing . . . . . . . . . . . 31<br />
vi<br />
FastIron Ethernet Switch IP Multicast Configuration Guide<br />
53-1002638-02