Information Commands
IGMP multicast group information
The following table describes the commands used to display information about IGMP groups learned by the switch.
Table 36 IGMP Multicast Group commands
Command | Usage |
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show ip igmp groups address <IP address>
show ip igmp groups vlan
Displays a single IGMP multicast group by its IP address. Command mode: All except User EXEC
Displays all IGMP multicast groups on a single VLAN. Command mode: All except User EXEC
show ip igmp groups interface port <port number>
show ip igmp groups portchannel
Displays all IGMP multicast groups on a single port. Command mode: All except User EXEC
Displays all IGMP multicast groups on a single trunk group. Command mode: All except User EXEC
show | ip | igmp | groups detail |
| Displays details about IGMP multicast groups, including |
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| source and timer information. |
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| Command mode: All except User EXEC |
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| Displays information for all multicast groups. |
show | ip | igmp | groups |
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| Command mode: All except User EXEC |
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IGMP group information
The following command displays IGMP group information:
show ip igmp groups
Command mode: All
Note: Local groups (224.0.0.x) are not snooped/relayed and will | not appear. | ||||||
Source | Group | VLAN | Port | Version | Mode | Expires | Fwd |
10.1.1.1 | 232.1.1.1 | 2 | 21 | V3 | INC | 4:16 | Yes |
10.1.1.5 | 232.1.1.1 | 2 | 21 | V3 | INC | 4:16 | Yes |
* | 232.1.1.1 | 2 | 21 | V3 | INC | - | No |
10.10.10.43 | 235.0.0.1 | 9 | 21 | V3 | INC | 2:26 | Yes |
* | 236.0.0.1 | 9 | 21 | V3 | EXC | - | Yes |
IGMP Group information includes:
•IGMP source address
•IGMP Group address
•VLAN and port
•IGMP version
•IGMPv3 filter mode
•Expiration timer value
•IGMP multicast forwarding state
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