Virtual Private LAN Services
Page 732 7750 SR OS Services Guide
If two multicast routers exist in the network, one of them will become the active querier. While the
other multicast router (non-querier) stops sending IGMP queries, it should still receive reports to keep
its multicast trees up to date. To support this, the mrouter-port should be enabled on all SAPs or SDPs
connecting to a multicast router.
Note that the IGMP version to be used for the reports (v1, v2 or v3) can only be determined after an
initial query has been received. Until such time no reports are sent on the SAP or spoke SDP, even if
mrouter-port is enabled.
This parameter can only be enabled on a SAP or spoke SDP, not on a mesh SDP.
If the send-queries command is enabled on this SAP or spoke SDP, the mrouter-port parameter can
not be set.
Default no mrouter-port
mvr
Syntax mvr
Context config>service>vpls>igmp-snooping
config>service>vpls>mld-snooping
config>service>vpls>sap>igmp-snooping
Description This command enables the context to configure Multicast VPLS Registration (MVR) parameters.
query-interval
Syntax query-interval seconds
no query-interval
Context config>service>vpls>igmp-snooping
config>service>vpls>sap>igmp-snooping
config>service>vpls>spoke-sdp>snooping
config>service>vpls>mesh-sdp>snooping
config>service>vpls>mld-snooping
config>service>vpls>sap>mld-snooping
config>service>vpls>spoke-sdp>mld-snooping
config>service>vpls>mesh-sdp>mld-snooping
Description This command configures the IGMP query interval. If the send-queries command is enabled, this
parameter specifies the interval between two consecutive general queries sent by the system on this
SAP or SDP. The configured query-interval must be greater than the configured query-response-
interval. If send-queries is not enabled on this SAP or SDP, the configured query-interval value is
ignored.
Default 125
Parameters seconds — The time interval, in seconds, that the router transmits general host-query messages.
Values 2 — 1024
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