User guide

IGMP Snooping command reference IGMP snooping

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iMG/RG Software Reference Manual (IGMP)

3.1.5.1.10 BRIDGE SET IGMPSNOOP DEFAULTFASTLEAVE

Syntax BRIDGE SET IGMPSNOOP DEFAULTFASTLEAVE { defaultfastleave }

Description Set the default fast leave state when enabling IGMP. Fast leave, proxy mode only, will

force leaves out the WAN facing network upon receipt of a leave on the LAN facing net-

work. If DEFAULTFASTLEAVE is disabled, then when in Proxy mode, the system will

send an IGMP Query down the LAN side to make sure that no other device is receiving

the specific multicast stream- prior to sending the IGMP Leave message out the WAN

interface.

Note: You must disable and re-enable IGMP before this command will take effect.

Options The following table gives the range of values for each option that can be specified with

this command and a default value (if applicable).

3.1.5.1.11 BRIDGE SET IGMPSNOOP LASTMBERQUERYINTVL

Syntax BRIDGE SET IGMPSNOOP LASTMEMBERQUERYINT<lastmberqueryintvl>

Description This command sets the value for the last member query interval. When the Gateway

receives the what it believes is an IGMP Leave from the last device in a Multicast Group

on a particular port- the Last Member Query Interval is used to specify the time the

Gateway waits for an IGMP Report after sending an IGMP Query message for that mul-

ticst stream down that port. If the Gateway does not receive an IGMP Report in that

interval then it sends an IGMP leave to the Multicast Router.

Options The following table gives the range of values for each option that can be specified with

this command and a default value (if applicable).

Example --> bridge set igmpsnoop lastmberqueryintvl 5