Multicast Filtering Commands
33-6
33
show mac-address-table multicast
This command shows known multicast addresses.
Syntax
show mac-address-table multicast [vlan vlan-id] [user | igmp-snooping]
• vlan-id - VLAN ID (1 to 4093)
• user - Display only the user-configured multicast entries.
• igmp-snooping - Display only entries learned through IGMP snooping.
Default Setting
None
Command Mode
Privileged Exec
Command Usage
Member types displayed include IGMP or USER, depending on selected
options.
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.
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 33-3 IGMP Query Commands
Command Function Mode Page
ip igmp snooping querier Allows this device to act as the querier for IGMP snooping GC 33-7
ip igmp snooping
query-count
Configures the query count GC 33-7
ip igmp snooping
query-interval
Configures the query interval GC 33-8
ip igmp snooping
query-max-response-time
Configures the report delay GC 33-8
ip igmp snooping
router-port-expire-time
Configures the query timeout GC 33-9
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