show igmp group
Syntax
show igmp group <brief | detail> <group-name> <logical-system (all | logical-system-name)>
Syntax (EX Series Switch and the QFX Series)
show igmp group <brief | detail> <group-name>
Description
Display Internet Group Management Protocol (IGMP) group membership information.
Options
| none |
Display standard information about membership for all IGMP groups. |
| brief | detail |
(Optional) Display the specified level of output. |
| group-name |
(Optional) Display group membership for the specified IP address only. |
| logical-system (all | logical-system-name) |
(Optional) Perform this operation on all logical systems or on a particular logical system. |
Required Privilege Level
view
Output Fields
Table 1 describes the output
fields for the show igmp group command. Output fields are listed in
the approximate order in which they appear.
|
Field Name |
Field Description |
Level of Output |
|---|---|---|
|
Interface |
Name of the interface that received the IGMP membership report. A name of local indicates that the local routing device joined the group itself. |
All levels |
|
Group |
Group address. |
All levels |
|
Group Mode |
Mode the SSM group is operating in: Include or Exclude. |
All levels |
|
Source |
Source address. |
All levels |
|
Source timeout |
Time remaining until the group traffic is no longer forwarded. The timer is refreshed when a listener in include mode sends a report. A group in exclude mode or configured as a static group displays a zero timer. |
detail |
|
Last reported by |
Address of the host that last reported membership in this group. |
All levels |
|
Timeout |
Time remaining until the group membership is removed. |
brief none |
|
Group timeout |
Time remaining until a group in exclude mode moves to include mode. The timer is refreshed when a listener in exclude mode sends a report. A group in include mode or configured as a static group displays a zero timer. |
detail |
|
Type |
Type of group membership:
|
All levels |
Sample Output
- show igmp group (Include Mode)
- show igmp group (Exclude Mode)
- show igmp group brief
- show igmp group detail
show igmp group (Include Mode)
user@host> show igmp group
Interface: t1-0/1/0.0
Group: 198.51.100.1
Group mode: Include
Source: 203.0.113.2
Last reported by: 203.0.113.52
Timeout: 24 Type: Dynamic
Group: 198.51.100.1
Group mode: Include
Source: 203.0.113.3
Last reported by: 203.0.113.52
Timeout: 24 Type: Dynamic
Group: 198.51.100.1
Group mode: Include
Source: 203.0.113.4
Last reported by: 203.0.113.52
Timeout: 24 Type: Dynamic
Group: 198.51.100.2
Group mode: Include
Source: 203.0.113.4
Last reported by: 203.0.113.52
Timeout: 24 Type: Dynamic
Interface: t1-0/1/1.0
Interface: ge-0/2/2.0
Interface: ge-0/2/0.0
Interface: local
Group: 198.51.100.12
Source: 0.0.0.0
Last reported by: Local
Timeout: 0 Type: Dynamic
Group: 198.51.100.22
Source: 0.0.0.0
Last reported by: Local
Timeout: 0 Type: Dynamic
show igmp group (Exclude Mode)
user@host> show igmp group
Interface: t1-0/1/0.0
Interface: t1-0/1/1.0
Interface: ge-0/2/2.0
Interface: ge-0/2/0.0
Interface: local
Group: 198.51.100.2
Source: 0.0.0.0
Last reported by: Local
Timeout: 0 Type: Dynamic
Group: 198.51.100.22
Source: 0.0.0.0
Last reported by: Local
Timeout: 0 Type: Dynamic
show igmp group brief
The output for the show igmp group brief command is identical to
that for the show igmp group command.
show igmp group detail
user@host> show igmp group detail
Interface: t1-0/1/0.0
Group: 198.51.100.1
Group mode: Include
Source: 203.0.113.2
Source timeout: 12
Last reported by: 203.0.113.52
Group timeout: 0 Type: Dynamic
Group: 198.51.100.1
Group mode: Include
Source: 203.0.113.3
Source timeout: 12
Last reported by: 203.0.113.52
Group timeout: 0 Type: Dynamic
Group: 198.51.100.1
Group mode: Include
Source: 203.0.113.4
Source timeout: 12
Last reported by: 203.0.113.52
Group timeout: 0 Type: Dynamic
Group: 198.51.100.2
Group mode: Include
Source: 203.0.113.4
Source timeout: 12
Last reported by: 203.0.113.52
Group timeout: 0 Type: Dynamic
Interface: t1-0/1/1.0
Interface: ge-0/2/2.0
Interface: ge-0/2/0.0
Interface: local
Group: 198.51.100.12
Group mode: Exclude
Source: 0.0.0.0
Source timeout: 0
Last reported by: Local
Group timeout: 0 Type: Dynamic
Group: 198.51.100.22
Group mode: Exclude
Source: 0.0.0.0
Source timeout: 0
Last reported by: Local
Group timeout: 0 Type: Dynamic
show igmp group (User Plane output for ACX7100)
Displays the following output in the user-plane for customer premise equipment (CPE).
user@up1> show igmp group
Interface: pp0.3221225481, Groups: 1
Group: 225.0.0.1
Group mode: Exclude
Source: 0.0.0.0
Last reported by: 100.1.1.2
Timeout: 232 Type: Dynamic
Interface: demux0.2147483652, Groups: 1
Group: 225.0.0.1
Group mode: Exclude
Source: 0.0.0.0
Last reported by: Local
Timeout: 0 Type: ROUTE
Interface: local, Groups: 2
Group: 224.0.0.2
Source: 0.0.0.0
Last reported by: Local
Timeout: 0 Type: Dynamic
Group: 224.0.0.22
Source: 0.0.0.0
Last reported by: Local
Timeout: 0 Type: Dynamic
Release Information
Command introduced before Junos OS Release 7.4.
Command updated in Junos OS Release 24.4R1 to include multicast support monitoring for ACX7100 routers.