• VLAN ID (VID) and name
• Querier address
• Active group addresses per VLAN
• Number of report and query packets per group
• Querier access port per VLAN
Parameters and options
config
Displays the IGMP configuration information, including VLAN ID, VLAN name, status, forwarding, and Querier
information.
vlan-id
Per-VLAN command listing above, IGMP status for specified VLAN (VID).
group <IP-ADDR>
Lists the ports currently participating in the specified group, with port type, Access type, Age Timer data and
Leave Timer data.
groups
Displays VLAN-ID, group address, uptime, expiration time, multicast filter type, and the last reporter for IGMP
groups.
statistics
Displays IGMP operational information, such as VLAN IDs and names, and filtered and flooding statistics.
Output from show ip igmp config command
IGMP statistical information
switch(vlan-2)# show ip igmp statistics
IGMP Service Statistics
Total VLANs with IGMP enabled : 1
Current count of multicast groups joined : 1
IGMP Joined Groups Statistics
VLAN ID VLAN Name Filtered Flood
------- -------------------------------- ------------ ------------
2 VLAN2 2 1
Chapter 12 Monitoring and Analyzing Switch Operation 403
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