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clear igmp membership

Syntax

clear igmp membership <interface interface-name> <group address-range>

Description

Clear IGMP group members.

Options

none—Clear all IGMP members on all interfaces and for all address ranges.

group address-range—(Optional) Clear all IGMP members that are in a particular address range. An example of a range is 224.2/16. If you omit the destination prefix length, the default is /32.

interface interface-name—(Optional) Clear all IGMP group members on an interface. You can include wildcard characters in the interface name, as described in the JUNOS Internet Software Operational Mode Command Reference: Interfaces.

Required Privilege Level

clear

Sample Output

user@host> show igmp group

Interface        Group           Last Reported   Timeout

so-0/0/0         224.2.127.253   10.1.128.1          186

so-0/0/0         224.2.127.254   10.1.128.1          186

so-0/0/0         239.255.255.255 10.1.128.1          187

so-0/0/0         224.1.127.255   10.1.128.1          188

local            224.0.0.6       (null)                0

local            224.0.0.5       (null)                0

local            224.2.127.254   (null)                0

local            239.255.255.255 (null)                0

local            224.0.0.2       (null)                0

local            224.0.0.13      (null)                0

user@host> clear igmp membership

Clearing Group Membership Info for so-0/0/0

Clearing Group Membership Info for so-1/0/0

Clearing Group Membership Info for so-2/0/0

user@host> show igmp group

Interface        Group           Last Reported   Timeout

local            224.0.0.6       (null)                0

local            224.0.0.5       (null)                0

local            224.2.127.254   (null)                0

local            239.255.255.255 (null)                0

local            224.0.0.2       (null)                0

local            224.0.0.13      (null)                0

After some time, the groups are relearned:

user@host> show igmp group

Interface        Group           Last Reported   Timeout

so-0/0/0         224.2.127.253   10.1.128.1          210

so-0/0/0         239.255.255.255 10.1.128.1          210

so-0/0/0         224.1.127.255   10.1.128.1          215

so-0/0/0         224.2.127.254   10.1.128.1          216

local            224.0.0.6       (null)                0

local            224.0.0.5       (null)                0

local            224.2.127.254   (null)                0

local            239.255.255.255 (null)                0

local            224.0.0.2       (null)                0

local            224.0.0.13      (null)                0

user@host> clear igmp membership interface so-0/0/0

Clearing Group Membership Info for so-0/0/0

user@host> show igmp group

Interface        Group           Last Reported   Timeout

local            224.0.0.6       (null)                0

local            224.0.0.5       (null)                0

local            224.2.127.254   (null)                0

local            239.255.255.255 (null)                0

local            224.0.0.2       (null)                0

local            224.0.0.13      (null)                0