Quick Reference Guide

238 | IGMP Snooping
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set igmp maxresponse 1–3599 (typically, 1 less than group membership
interval)
— Default 10 seconds
—
set igmp maxresponse all 1–3599 sets the maximum response time on all interfaces
— Both commands are issued from the Global Config mode.
set igmp mcrtexpiretime all 0-3600
— Default 0 seconds (no expiration)
— The command (Global Config mode) sets the time for all interfaces.
Monitoring IGMP Snooping
As shown in the following sample Telnet output, use the show igmpsnooping command from the
Privileged Exec mode to inspect your settings.
Figure 15-202. Report from show igmpsnooping Command
For IGMP details on a specific interface, use the show igmp interface unit/slot/port command, as shown in
Figure 15-203 on page 239.
Force10 #show igmpsnooping ?
<cr> Press Enter to execute the command.
<unit/slot/port>Enter interface in unit/slot/port format.
mrouter Display IGMP Snooping Multicast Router information.
<1-3965>Display IGMP Snooping valid VLAN ID information.
Force10 #show igmpsnooping
Admin Mode................................Enable
Multicast Control Frame Count.............0
Interfaces Enabled for IGMP Snooping......1/0/10
Vlans enabled for IGMP snooping...........20