C
HAPTER
39
| Multicast Filtering Commands
IGMP Snooping
– 921 –
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.
Console#show ip igmp snooping group vlan 1
VLAN Group Source Port List
-------- ---------------- ---------------- ---------------------------------
1 239.255.255.250 * Eth1/ 1(D) Eth1/13(D)
1 224.1.1.12 * Eth 1/23(D)
Console#
show mac-address-
table multicast
This command shows known multicast addresses.
SYNTAX
show mac-address-table multicast
[vlan vlan-id [user | igmp-snp]] [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:
Console#show mac-address-table multicast vlan 1
VLAN M'cast IP addr. Member ports Type
---- --------------- ------------ -------
1 224.1.2.3 Eth1/11 IGMP
Console#
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