Chapter 22
| Multicast Filtering Commands
IGMP Snooping
– 583 –
ip igmp snooping This command enables IGMP snooping globally on the switch or on a selected
VLAN interface. Use the no form to disable it.
Syntax
[no] ip igmp snooping [vlan vlan-id]
vlan-id - VLAN ID (Range: 1-4094)
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
â—† When IGMP snooping is enabled globally, the per VLAN interface settings for
IGMP snooping take precedence.
â—† When IGMP snooping is disabled globally, snooping can still be configured per
VLAN interface, but the interface settings will not take effect until snooping is
re-enabled globally.
ip igmp snooping vlan
static
Adds an interface as a member of a multicast group GC
ip igmp snooping
vlan version
Configures the IGMP version for snooping GC
ip igmp snooping
vlan version-exclusive
Discards received IGMP messages which use a version
different to that currently configured
GC
clear ip igmp snooping
groups dynamic
Clears multicast group information dynamically learned
through IGMP snooping
PE
clear ip igmp snooping
statistics
Clears IGMP snooping statistics PE
show ip igmp snooping Shows the IGMP snooping, proxy, and query configuration PE
show ip igmp snooping
group
Shows known multicast group, source, and host port
mapping
PE
show ip igmp snooping
mrouter
Shows multicast router ports PE
show ip igmp snooping
statistics
Shows IGMP snooping protocol statistics for the specified
interface
PE
Table 116: IGMP Snooping Commands (Continued)
Command Function Mode
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