57
Multicast Filtering Commands
Example
The following shows the multicast entries learned through IGMP snooping for
VLAN 1:
Console#show mac-address-table multicast vlan 1 igmp-snooping
VLAN M'cast IP addr. Member ports Type
---- --------------- ------------ -------
1
224.1.2.3
Console#
IGMP Query Commands
This section describes commands used to configure Layer 2 IGMP query on the
switch.
Command
ip igmp snooping querier
ip igmp snooping
query-count
ip igmp snooping
query-interval
ip igmp snooping
query-max-response-time
ip igmp snooping
router-port-expire-time
ip igmp snooping querier
This command enables the switch as an IGMP querier. Use the no form to disable it.
Syntax
[no] ip igmp snooping querier
Default Setting
Enabled
Command Mode
Global Configuration
Command Usage
If enabled, the switch will serve as querier if elected. The querier is
responsible for asking hosts if they want to receive multicast traffic.
Example
Console(config)#ip igmp snooping querier
Console(config)#
57-4
Eth1/11
Table 57-3 IGMP Query Commands
Function
Allows this device to act as the querier for IGMP snooping GC
Configures the query count
Configures the query interval
Configures the report delay
Configures the query timeout
IGMP
Mode
Page
57-4
GC
57-5
GC
57-5
GC
57-6
GC
57-7