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fast-leave (IGMP view)

Syntax fast-leave [ group-policy acl-number]

undo fast-leave

View Public instance IGMP view, VPN instance IGMP view

Parameter acl-number: Basic ACL number, in the range of 2000 to 2999.

Description Use the fast-leavecommand to enable the fast-leave function for multicast group members globally.

Use the undo fast-leavecommand to disable the fast-leave function globally.

By default, the fast-leave function is disabled, namely, the IGMP querier sends an IGMP group-specific query upon receiving an IGMP leave message from a host, instead of sending a Leave notification directly to the upstream.

Related command: igmp fast-leave,last-member-query-interval.

n This command takes effect on all Layer 3 interfaces when executed in IGMP view.

Example # Enable the fast leave function globally in the public instance.

<Sysname> system-view [Sysname] igmp [Sysname-igmp] fast-leave

igmp

Syntax igmp [ vpn-instance vpn-instance-name] undo igmp [ vpn-instance vpn-instance-name]

View System view

Parameter vpn-instance-name: VPN instance name, a case sensitive string of up to 31 characters.

Description Use the igmp command to enter public instance IGMP view or VPN instance IGMP view.

Use the undo igmp command to remove configurations performed in public instance IGMP view or VPN instance IGMP view.

IP multicast must be enabled on the device in the corresponding instance before this command can take effect.

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3Com MSR 50, MSR 30 manual Fast-leave Igmp view, Syntax fast-leave group-policy acl-number Undo fast-leave, 1349