3Com S7906E Command Reference Manual page 1133

Default Level
1: Monitor level
Parameters
all-instance: Specifies all instances.
vpn-instance vpn-instance-name: Specifies a VPN instance. A VPN instance name is a case sensitive
string of up to 31 characters and must not contain any space.
group-address: Specifies a multicast group by its IP address, in the range of 224.0.1.0 to
239.255.255.255.
interface-type interface-number: Specifies an interface by its type and number.
verbose: Displays the detailed multicast group information created based on the configured IGMP SSM
mappings.
Description
Use the display igmp ssm-mapping group command to view the multicast group information created
based on the configured IGMP SSM mappings.
Note that:
If neither all-instance nor vpn-instance is specified, this command will display the information on
the public instance.
If you do not specify a multicast group, this command will display the information of all multicast
groups created based on the configured IGMP SSM mappings.
If you do not specify an interface, this command will display the multicast group information created
based on the configured IGMP SSM mappings on all the interfaces.
Examples
# View the detailed information of multicast group 232.1.1.1 created based on the configured IGMP
SSM mappings in the public instance.
<Sysname> display igmp ssm-mapping group 232.1.1.1 verbose
Interface group report information of VPN-Instance: public net
Vlan-interface1 (10.10.10.10):
Total 1 IGMP SSM-mapping Group reported
Group: 232.1.1.1
Uptime: 00:00:31
Expires: off
Last reporter: 1.1.1.1
Version1-host-present-timer-expiry: off
Source list(Total 1 source):
Source: 1.1.1.1
Uptime: 00:00:31
Expires: 00:01:39
Last-member-query-counter: 0
Last-member-query-timer-expiry: off
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