Show Commands

These CLI commands allow the user to configure IGMP.

Viewing the current IGMP configuration and status

Syntax

show ip igmp [vlan <vid>]

Displays IGMP status for all VLANs with IGMP enabled on the switch unless a specified VLAN has been given.

Example: show ip igmp

              IGMP Service Protocol Info  
Total VLAN’s with IGMP enabled:  33
Current count of Multicast groups joined:  21
VLAN ID:  1
VLAN Name:  DEFAULT_VLAN
IGMP Version: 2
Querier Address [this switch]:  10.0.102.221
Querier Up Time:  1hr 53min 2sec
Querier Expiry Time:  2min 1sec
Ports with multicast routers:  A1, A3-A5
Active Group Addresses |Type| Expires    | Ports     | Reports  | queries |
--------------------------------+----+--------------------------------
xxx.xxx.xxx.xxx        |filt|  1min 2sec | A1        | 20       |  20     |
xxx.xxx.xxx.xxx        |std |  3min 2sec | all
xxx.xxx.xxx.xxx        |filt| 23min 3sec | A1-B3, C4 | 20       |  20     |
xxx.xxx.xxx.xxx        |filt| 23min 10sec| A1,B2,C5  | 20       |  20     |
xxx.xxx.xxx.xxx        |filt|  2min 5sec | F22       | 20       |  20     |
xxx.xxx.xxx.xxx        |stat|  0min 0sec | all       | 20       |  20     |

Active Group Addresses      |Type| Expires    | Ports  
----------------------------+----+--------------------------------
xxx.xxx.xxx.xxx             |filt|  1min 2sec | A1 
xxx.xxx.xxx.xxx             |std |  3min 2sec | all
xxx.xxx.xxx.xxx             |filt| 23min 3sec | A1-B3, C4
xxx.xxx.xxx.xxx             |filt| 23min 10sec| A1,B2,C5
xxx.xxx.xxx.xxx             |filt|  2min 5sec | F22

VLAN ID:  200
VLAN Name:  client vlan
IGMP Version: 2
Querier Address:  10.0.102.204
Querier Port: 4 
<only displayed when not querier> 
Querier Up Time:  1hr 53min 2sec
Querier Expiry Time:  2min 1sec
Ports with multicast routers:  A1, A3-A5

Active Group Addresses      |Type| Expires    | Ports
----------------------------+----+--------------------------------
xxx.xxx.xxx.xxx             |filt|  1min 2sec | A1 
xxx.xxx.xxx.xxx             |std |  3min 2sec | all
xxx.xxx.xxx.xxx             |filt| 23min 3sec | A1-B3, C4
xxx.xxx.xxx.xxx             |stat|  0min 0sec | A1,B2,C5
xxx.xxx.xxx.xxx             |filt|  2min 5sec | F22

show ip igmp vlan 200

IGMP Service Protocol Info
Total VLAN’s with IGMP enabled:  33
Current count of Multicast groups joined:  21
VLAN ID:  200
VLAN Name:  client vlan
IGMP Version: 2
Querier Address:  10.0.102.204
Querier Port: 4 
<only displayed when not querier>
Querier Up Time:  1hr 53min 2sec
Querier Expiry Time:  2min 1sec
Ports with multicast routers:  A1, A3-A5
Active Group Addresses      |Type| Expires    | Ports    
----------------------------+----+--------------------------------
xxx.xxx.xxx.xxx             |filt|  1min 2sec | A1
xxx.xxx.xxx.xxx             |std |  3min 2sec | all
xxx.xxx.xxx.xxx             |filt| 23min 3sec | A1-B3, C4
xxx.xxx.xxx.xxx             |stat|  0min 0sec | A1,B2,C5
xxx.xxx.xxx.xxx             |filt|  2min 5sec | F22

Syntax

show ip igmp config

Global command listing IGMP status for all VLANs configured in the switch.

IGMP Service Config
Control unknown multicast [Yes]: Yes
Forced fast leave timeout [0]: 0
Delayed flush timeout [0]: 0
VLAN ID|VLAN NAME          |IGMP Enabled|Querier Allowed | Querier Interval |
-------+--------------------------------+-----------+----------------------
1      |DEFAULT_VLAN       |No         |Yes              |   125            |
200    |client vlan        |Yes        |No               |   125            |
300    |Data Centre        |Yes        |Yes              |   125            |

Syntax

show ip igmp vlan <vlan> config

Displays IGMP configuration for a specific VLAN on the switch, including per-port data.

IGMP Service Vlan Config
VLAN ID:  300
VLAN NAME: VLAN300
IGMP Enabled [No]:  Yes
Querier Allowed [Yes]: Yes
Port|      Type     | Port Mode | Forced Fast Leave | Fast Leave----+---------------+ ----------+-------------------+-----------------
5   |100/1000T      |  Auto     | No                | Yes
6   |100/1000T      |  Forward  | No                | Yes
8   |100/1000T      |  Blocked  | Yes               | No
(
all ports on vlan shown)

Syntax

show ip igmp vlan <vid> group [< ip-addr >]

Lists the ports currently joined for a specified group, with port type, port mode, Age Timer data and Leave Timer data. If the group is not specified, all groups are shown.

Example: Filtered group

              IGMP Service Protocol Group Info  
VLAN ID:  300
VLAN NAME: VLAN300
Filtered Group Address:  xxx.xxx.xxx.xxx
Last Reporter:  xxx.xxx.xxx.xxx
Up Time: 4 hr 4 min 2 sec
Port| Port Type     | Port Mode | Expires          | Access
----+---------------+ ----------+-------------------------------------------
5   |100/1000T      | Auto      | 1min 3 sec       | Host 
6   |100/1000T      | Forward   | 2min 44 sec      | Router
8   |100/1000T      | Blocked   | 24 sec           | Host-Router
Filtered Group Address:  xxx.xxx.xxx.xxx
Last Reporter:  xxx.xxx.xxx.xxx
Up Time: 4 hr 4 min 2 sec
Port| Port Type     | Port Mode | | Expires          | Access
----+---------------+ ----------+------------------------------------------------------------
5   |100/1000T      | Auto      | 1min 3 sec       | Host
6   |100/1000T      | Forward   | 2min 44 sec      | Router
8   |100/1000T      | Blocked   | 24 sec           | Host-Router

Example: Standard group

              IGMP Service Protocol Group Info  
Standard Group Address:  xxx.xxx.xxx.xxx
Last Reporter:  xxx.xxx.xxx.xxx
Expiry Time:  2min 10 sec
Up Time: 4 hr 4 min 2 sec

Example: Static group

              IGMP Service Protocol Group Info  
Static Group Address:  xxx.xxx.xxx.xxx
Last Reporter:  xxx.xxx.xxx.xxx /*<if joined groups are there else null>*/
Expiry Time:  0min 0sec
Up Time: 4 hr 0 min 0 sec

Syntax

show ip igmp groups

Displays IGMP group address information.

  
VLAN ID Group Address Expires         UpTime          Last Reporter   | Type
------- ------------- --------------- --------------- --------------- + ------
2       226.0.6.7     0h 2m 58s       1h 13m 4s       192.168.0.2     | Filter
2       226.0.6.8     0h 2m 58s       1h 13m 4s       192.168.0.2     | Standard
2       226.0.6.9     0h 2m 58s       1h 13m 4s       192.168.0.2     | Static

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