Users Guide

Layer 2 Switching Commands 487
ip igmp snooping report-suppression
This command enables IGMP report suppression on a specific VLAN. The no
form of this command disables report suppression.
Syntax
ip igmp snooping vlan vlan-id report-suppression
no ip igmp snooping vlan vlan-id report-suppression
• vlan-id — A VLAN identifier (Range 1-4093).
Default Configuration
Report suppression is enabled by default.
Command Mode
Global Configuration mode
User Guidelines
When IGMP report suppression is enabled, the switch only sends the first
report received for a group in response to a query. Report suppression is only
applicable to IGMPv1 and IGMPv2.
Example
The following example sets the snooping report suppressions time to 10
seconds.
console(config)#ip igmp snooping vlan 10 report-suppression
ip igmp snooping unregistered floodall
This command enables flooding of unregistered multicast traffic to all ports
in the VLAN. Use the no form of this command to only flood unregistered
multicast traffic to multicast router ports.
Syntax
ip igmp snooping unregistered floodall
no ip igmp snooping unregistered floodall