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Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 51 Configuring Multicast Services
Configuring IGMP Snooping on the Switch
Displaying Multicast Group Information
To display information about the multicast groups, perform one of these tasks in privileged mode:
This example shows how to display information about all multicast groups on the switch:
Console> (enable)
show multicast group
IGMP enabled
VLAN Dest MAC/Route Des Destination Ports or VCs / [Protocol Type]
---- ------------------ ----------------------------------------------------
1 01-00-11-22-33-44* 2/6-12
1 01-11-22-33-44-55* 2/6-12
1 01-22-33-44-55-66* 2/6-12
1 01-33-44-55-66-77* 2/6-12
Total Number of Entries = 4
Console> (enable)
Displaying IGMP Snooping Statistics
To display the IGMP snooping statistics on the switch, perform this task:
This example shows how to display the IGMP snooping statistics:
Console> (enable)
show igmp statistics
IGMP enabled
IGMP statistics for vlan 1:
Transmit:
General Queries: 0
Group Specific Queries: 0
Reports: 0
Leaves: 0
Receive:
General Queries: 10
Group Specific Queries: 0
Task
Command
Display information about the multicast groups.
show multicast group
[
mac_addr
] [
vlan_id
]
Display information only about the multicast
groups that are learned dynamically through
IGMP.
show multicast group igmp
[
mac_addr
]
[
vlan_id
]
Display the total number of multicast addresses
(groups) in each VLAN.
show multicast group count
[
vlan_id
]
Display the total number of multicast addresses
(groups) in each VLAN that were learned
dynamically through IGMP.
show multicast group count
igmp
[
vlan_id
]
Task
Command
Display the IGMP snooping statistics.
show igmp statistics
[
vlan_id
]