Displaying Cgmp Statistics - Cisco WS-C2950SX-48-SI Configuration Manual

Catalyst 4500 series switches
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Chapter 15
Configuring Multicast Services
Task
Display the total number of multicast addresses
(groups) in each VLAN.
Display the total number of multicast addresses
(groups) in each VLAN that were learned
dynamically through CGMP.
This example shows how to display information about all multicast groups on the switch:
Console> (enable) show multicast group
CGMP enabled
IGMP disabled
VLAN
----
1
1
1
1
Total Number of Entries = 4
Console> (enable)

Displaying CGMP Statistics

To check CGMP statistics on the switch, perform this task:
Task
Display CGMP statistics.
This example shows how to display CGMP statistics:
Console> (enable) show cgmp statistics
CGMP enabled
CGMP statistics for vlan 1:
valid rx pkts received
invalid rx pkts received
valid cgmp joins received
valid cgmp leaves received
valid igmp leaves received
valid igmp queries received
igmp gs queries transmitted
igmp leaves transmitted
failures to add GDA to EARL
topology notifications received
number of CGMP packets dropped
Console> (enable)
78-15486-01
Dest MAC/Route Des
Destination Ports or VCs / [Protocol Type]
------------------
----------------------------------------------------
01-00-11-22-33-44*
2/6-12
01-11-22-33-44-55*
2/6-12
01-22-33-44-55-66*
2/6-12
01-33-44-55-66-77*
2/6-12
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide
Command
show multicast group count [vlan_id]
show multicast group count cgmp [vlan_id]
Command
show cgmp statistics [vlan_id]
211915
0
211729
186
0
3122
0
0
0
80
2032227
Configuring CGMP
Release 8.1
15-7

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