Virtual Private LAN Service
208
FD 100/320Gbps NT and FX NT IHub Services Guide
3HH-11985-AAAA-TQZZA Issue: 13
5.8.5.4 Configuring SAP-specific IGMP Parameters
The following SAP-specific IGMP parameters can be configured:
• mrouter-port:
This command specifies whether a multicast router is attached behind this SAP.
configure service vpls service-id sap sap-id igmp-snooping mrouter-port
When configuring an SAP as an mrouter-port, then IGMP REPORTS generated
by the IGMP subsystem of the containing v-VPLS/VPLS are sent out on this SAP.
In general, IGMP subsystems generate IGMP REPORTS as answer to a received
QUERY, or when an SAP joins a multicast group.
If two multicast edge routers exist in the network, one of them will become the
active querier. While the other multicast edge router (non-querier) stops sending
IGMP QUERIES, it should still receive IGMP REPORTS to keep its multicast trees
up to date. To support this, the mrouter-port should be enabled on all SAPs
connecting to a multicast router.
The no form of the command returns this value disables the SAP as an
mrouter-port.
• send-queries:
This command specifies whether to send IGMP QUERIES on the SAP.
configure service vpls service-id sap sap-id igmp-snooping send-queries
The no form of the command returns this value disables the sending of IGMP
QUERIES.
• version:
This command specifies the version of all types of QUERIES generated by (the
IGMP subsystem on) the SAP, when send-queries is enabled.
configure service vpls service-id sap sap-id igmp-snooping version version
Default value: IGMPv3
If send-queries is not configured, the version command has no effect.
The no form of this command removes the SAP-specific version for use in IGMP
queries
• fast-leave:
This command enables IGMP fast leave on this SAP.
configure service vpls service-id sap sap-id igmp-snooping fast-leave
If fast-leave is enabled, the multicast branch for this multicast channel on this SAP
will be deleted without “last-member-query-interval” waiting time and without
IGMP query-report verification when an IGMP leave for a particular multicast
channel is received on this SAP.
The no form of this command disables fast-leave.
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