C
HAPTER
39
| Multicast Filtering Commands
IGMP Snooping
– 906 –
ip igmp snooping
proxy-reporting
This command enables IGMP Snooping with Proxy Reporting. Use the no
form to restore the default setting.
SYNTAX
[no] ip igmp snooping proxy-reporting
ip igmp snooping vlan vlan-id proxy-reporting {enable | disable}
no ip igmp snooping vlan vlan-id proxy-reporting
vlan-id - VLAN ID (Range: 1-4093)
enable - Enable on the specified VLAN.
disable - Disable on the specified VLAN.
DEFAULT SETTING
Global: Enabled
VLAN: Based on global setting
COMMAND MODE
Global Configuration
COMMAND USAGE
◆ When proxy reporting is enabled with this command, the switch
performs “IGMP Snooping with Proxy Reporting” (as defined in DSL
Forum TR-101, April 2006), including report suppression, last leave,
and query suppression. Report suppression intercepts, absorbs and
summarizes IGMP reports coming from downstream hosts. Last leave
sends out a proxy query when the last member leaves a multicast
group, and query suppression means that neither specific queries nor
general queries are forwarded from an upstream multicast router to
hosts downstream from this device.
◆ If the IGMP proxy reporting is configured on a VLAN, this setting takes
precedence over the global configuration.
EXAMPLE
Console(config)#ip igmp snooping proxy-reporting
Console(config)#
ip igmp snooping
querier
This command enables the switch as an IGMP querier. Use the no form to
disable it.
SYNTAX
[no] ip igmp snooping querier
DEFAULT SETTING
Enabled
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