Multicast Filtering Commands
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Example
ip igmp max-groups action
This command sets the IGMP throttling action for an interface on the switch.
Syntax
ip igmp max-groups action {replace | deny}
• replace - The new multicast group replaces an existing group.
• deny - The new multicast group join report is dropped.
Default Setting
Deny
Command Mode
Interface Configuration
Command Usage
When the maximum number of groups is reached on a port, the switch can
take one of two actions; either “deny” or “replace.” If the action is set to deny,
any new IGMP join reports will be dropped. If the action is set to replace, the
switch randomly removes an existing group and replaces it with the new
multicast group.
Example
show ip igmp filter
This command displays the global and interface settings for IGMP filtering.
Syntax
show ip igmp filter [interface interface]
interface
• ethernet unit/port
- -unit - Stack unit. (Range: 1)
- -port - Port number. (Range: 1-29)
• port-channel channel-id (Range: 1-4)
Default Setting
None
Console(config)#interface ethernet 1/1
Console(config-if)#ip igmp max-group 10
Console(config-if)#
Console(config)#interface ethernet 1/1
Console(config-if)#ip igmp max-group action replace
Console(config-if)#
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