CLI Reference Guide-R05

Chapter 22 | Multicast Filtering Commands
IGMP Filtering and Throttling
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Command Usage
A profile defines the multicast groups that a subscriber is permitted or denied to
join. The same profile can be applied to many interfaces, but only one profile can
be assigned to one interface. Each profile has only one access mode; either permit
or deny.
Example
Console(config)#ip igmp profile 19
Console(config-igmp-profile)#
ip igmp rate-limit This command sets the maximum rate at which IGMP membership reports can be
sent from an interface. Use the no form to restore the default setting.
ip igmp rate-limit rate rate interface
no ip igmp rate-limit [interface]
rate - The rate at which IGMP membership reports can be sent from an
interface. (Range: 5-255 pps)
interface
ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-12)
port-channel channel-id (Range: 1-12)
Default Setting
255
Command Mode
Global Configuration
Command Usage
Membership reports exceeding the configured limits for the interface are dropped.
This command can be used to prevent DoS attacks.
Example
Console(config)#ip igmp rate-limit rate 100 interface ethernet 1/1
Console(config)#