Chapter 24
| Multicast Filtering Commands
IGMP Snooping
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ip igmp snooping
version-exclusive
This command discards any received IGMP messages (except for multicast protocol
packets) which use a version different to that currently configured by the ip igmp
snooping version command. Use the no form to disable this feature.
Syntax
ip igmp snooping [vlan vlan-id] version-exclusive
no ip igmp snooping version-exclusive
vlan-id - VLAN ID (Range: 1-4094)
Default Setting
Global: Disabled
VLAN: Disabled
Command Mode
Global Configuration
Command Usage
â—† If version exclusive is disabled on a VLAN, then this setting is based on the
global setting. If it is enabled on a VLAN, then this setting takes precedence
over the global setting.
â—† When this function is disabled, the currently selected version is backward
compatible (see the ip igmp snooping version command.
Example
Console(config)#ip igmp snooping version-exclusive
Console(config)#
ip igmp snooping vlan
general-query-
suppression
This command suppresses general queries except for ports attached to
downstream multicast hosts. Use the no form to flood general queries to all ports
except for the multicast router port.
Syntax
[no] ip igmp snooping vlan vlan-id general-query-suppression
vlan-id - VLAN ID (Range: 1-4094)
Default Setting
Disabled
Command Mode
Global Configuration
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