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Multicast Filtering Commands
57-4
57
Example
The following shows the multicast entries learned through IGMP snooping for
VLAN 1:
IGMP Query Commands
This section describes commands used to configure Layer 2 IGMP query on the
switch.
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#show mac-address-table multicast vlan 1 igmp-snooping
VLAN M'cast IP addr. Member ports Type
---- --------------- ------------ -------
1 224.1.2.3 Eth1/11 IGMP
Console#
Table 57-3 IGMP Query Commands
Command Function Mode Page
ip igmp snooping querier Allows this device to act as the querier for IGMP snooping GC 57-4
ip igmp snooping
query-count
Configures the query count GC 57-5
ip igmp snooping
query-interval
Configures the query interval GC 57-5
ip igmp snooping
query-max-response-time
Configures the report delay GC 57-6
ip igmp snooping
router-port-expire-time
Configures the query timeout GC 57-7
Console(config)#ip igmp snooping querier
Console(config)#