Cisco WS-C4003 Software Guide - Page 237
Displaying Multicast Group Information, Checking CGMP Statistics
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Chapter 15 Configuring Multicast Services Configuring CGMP Displaying Multicast Group Information To display information about multicast groups, perform one of these tasks in privileged mode: Task Command Display information about multicast groups. show multicast group [mac_addr] [vlan_id] Display only information about multicast groups show multicast group cgmp [mac_addr] learned dynamically through CGMP. [vlan_id] Display the total number of multicast addresses show multicast group count [vlan_id] (groups) in each VLAN. Display the total number of multicast addresses (groups) in each VLAN that were learned dynamically through CGMP. show multicast group count cgmp [vlan_id] 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 Dest MAC/Route Des 01-00-11-22-33-44* 01-11-22-33-44-55* 01-22-33-44-55-66* 01-33-44-55-66-77* Destination Ports or VCs / [Protocol Type 2/6-12 2/6-12 2/6-12 2/6-12 Total Number of Entries = 4 Console> (enable) Checking CGMP Statistics To check CGMP statistics on the switch, perform this task: Task Display CGMP statistics. Command show cgmp statistics [vlan_id] 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 211915 0 211729 186 0 3122 0 0 0 78-12647-02 Software Configuration Guide-Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4 15-7
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