To clear IGMP Snooping statistic report, use the command "clear ip igmp snooping statistics".
SW_1#clear ip igmp snooping statistics
Use the command "show ip igmp snooping statistics input interface Ethernet 1/x" to check Leave, General Query, Group specific Query, Drop, Join Success, Group statistic reports of each port.
SW_1#sh ip igmp snooping statistics input interface ethernet 1/25 Input Statistics: Interface Report Leave G Query G(-S)-S Query Drop Join Succ Group ---------- -------- -------- -------- ------------- -------- --------- ----------- Eth 1/25 42 0 0 0 14 28 2
As shown above, there are 42 IGMP reports received by port 25 connected to VLC Server. 14 packets are dropped, 28 packets register to the multicast table successfully, and 2 multicast groups.
Use the command "show ip igmp snooping statistics output interface Ethernet 1/x" to check Leave, General Query, Group specific Query statistic reports of each port.
SW_1#sh ip igmp snooping statistics output interface ethernet 1/25 Output Statistics: Interface Report Leave G Query G(-S)-S Query ---------- -------- -------- -------- ------------- Eth 1/25 0 0 14 0
As shown above, there are 0 IGMP report, 0 leaves, 14 General Queries send out from port 25 connected to VLC Server
Use the command "show ip igmp snooping statistics query" to check General statistic report.
SW_1#sh ip igmp snooping statistics query VLAN 1 Querier IP Address : 192.168.1.10 Querier Expire Time : 00(h):02(m):57(s) General Query Received : 14 General Query Sent : 14 Specific Query Received : 8 Specific Query Sent : 8 Number of Reports Sent : 90 Number of Leaves Sent : 4
SW_1#sh ip igmp snooping group Bridge Multicast Forwarding Entry Count:3 Flag: R - Router port, M - Group member port H - Host counts (number of hosts join the group on this port). P - Port counts (number of ports join the group). Up time: Group elapsed time (d:h:m:s). Expire : Group remaining time (m:s). VLAN Group Port Up time Expire Count ---- --------------- ----------- ----------- ------ -------- 1 224.0.1.75 00:00:07:12 2(P) Eth 1/25(M) 00:00:07:12 03:08 1(H) Eth 1/28(R) 1 239.255.255.250 00:00:07:28 3(P) Eth 1/ 1(M) 00:00:07:19 03:08 1(H) Eth 1/27(M) 00:00:07:28 03:14 1(H) Eth 1/28(R) 1 239.255.255.254 00:00:07:11 2(P) Eth 1/25(M) 00:00:07:11 03:14 1(H) Eth 1/28(R)