C
HAPTER
39
| Multicast Filtering Commands
IGMP Filtering and Throttling
– 928 –
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 (Ethernet)
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
Console(config)#interface ethernet 1/1
Console(config-if)#ip igmp max-groups action replace
Console(config-if)#
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: 1-24)
port-channel channel-id (Range: 1-32)
DEFAULT SETTING
None
COMMAND MODE
Privileged Exec
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