Virtual Private LAN Services
7750 SR OS Services Guide Page 723
VPLS Multicast Commands
fast-leave
Syntax [no] fast-leave
Context config>service>vpls>sap>igmp-snooping
config>service>vpls>sap>mld-snooping
config>service>vpls>spoke-sdp>igmp-snooping
config>service>vpls>mesh-sdp>igmp-snooping
config>service>vpls>spoke-sdp>mld-snooping
config>service>vpls>mesh-sdp>mld-snooping
Description This command enables fast leave. When IGMP fast leave processing is enabled, the 7750 SR will
immediately remove a SAP or SDP from the multicast group when it detects an IGMP “leave” on that
SAP or SDP. Fast leave processing allows the switch to remove a SAP or SDP that sends a 'leave'
from the forwarding table without first sending out group-specific queries to the SAP or SDP, and
thus speeds up the process of changing channels ('zapping').
Fast leave should only be enabled when there is a single receiver present on the SAP or SDP.
When fast leave is enabled, the configured last-member-query-interval value is ignored.
Default no fast-leave
from-vpls
Syntax from-vpls vpls-id
no from-vpls
Context config>service>vpls>sap>igmp-snooping>mvr
config>service>vpls>sap>mld-snooping>mvr
Description This command configures the VPLS from which multicast traffic is copied upon receipt of an IGMP
join request. IGMP snooping must be enabled on the MVR VPLS.
Default no from-vpls
Parameters vpls-id — Specifies the MVR VPLS from which multicast channels should be copied into this SAP.
Values service-id: 1 — 2147483648
group
Syntax [no] group grp-address
Context config>service>vpls>sap>igmp-snooping>static
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