Command Manual – Multicast
H3C S7500E Series Ethernet Switches Chapter 3 IGMP Configuration Commands
3-10
Description
Use the igmp fast-leave command to configure fast leave processing on the current
interface.
Use the undo igmp fast-leave command to disable fast leave processing on the
current interface.
By default, fast leave processing is disabled. Namely, the IGMP querier sends IGMP
group-specific queries upon receiving an IGMP leave message from a host, instead of
sending a leave notification directly to the upstream.
 Note:
z The igmp fast-leave command cannot be used in VLAN interface view. To enable
fast leave processing on a specific Layer 2 port or ports, use the igmp-snooping
fast-leave command or the fast-leave command.
z The igmp-snooping fast-leave and fast-leave commands are effective for both
IGMP Snooping–enabled VLANs and VLANs with IGMP enabled on the
corresponding VLAN interfaces.
Related commands: fast-leave, igmp last-member-query-interval, igmp-snooping
fast-leave, fast-leave. For the last two commands, refer to
IGMP Snooping
Configuration Commands
.
Examples
# Enable fast leave processing on LoopBack 1.
<Sysname> system-view
[Sysname] interface LoopBack 1
[Sysname-LoopBack1] igmp fast-leave
3.1.9 igmp group-policy
Syntax
igmp group-policy acl-number [ version-number ]
undo igmp group-policy
View
Interface view
Parameters
acl-number: Basic or advanced ACL number, in the range of 2000 to 3999.
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