R3102-R3103-HP 6600/HSR6600 Routers IP Multicast Command Reference

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Field Descri
p
tion
Host Host IP address.
Uptime Host running duration.
Expires
Host expiration time, where "timeout" means that the host
has expired.
fast-leave (IGMP view)
Use fast-leave to enable fast-leave processing globally.
Use undo fast-leave to disable fast-leave processing globally.
Syntax
fast-leave [ group-policy acl-number ]
undo fast-leave
Default
Fast-leave processing is disabled, and the IGMP querier sends IGMP group-specific queries or IGMP
group-and-source-specific queries after receiving an IGMP leave message from a host, instead of sending
a leave notification directly to the upstream.
Views
Public network IGMP view, VPN instance IGMP view
Default command level
2: System level
Parameters
acl-number: Specifies a basic ACL number in the range of 2000 to 2999. The fast-leave processing
function takes effect only for the multicast groups that match the permit statement in the specifies ACL. If
you do not include this option in your command, this command takes effect for all multicast groups.
Usage guidelines
When this command is executed in IGMP view:
• If the device supports IGMP snooping, this command takes effect only on Layer 3 interfaces except
VLAN interfaces.
• If the device does not support IGMP snooping, this command takes effect on all Layer 3 interfaces.
Examples
# Enable fast-leave processing globally on the public network.
<Sysname> system-view
[Sysname] igmp
[Sysname-igmp] fast-leave
# Enable fast-leave processing globally in VPN instance mvpn.
<Sysname> system-view
[Sysname] igmp vpn-instance mvpn
[Sysname-igmp-mvpn] fast-leave