Virtual Private LAN Service
312
FD 100/320Gbps NT and FX NT IHub Services Guide
3HH-11985-AAAA-TQZZA Issue: 13
5.16.6.5 query-interval
Table 239 query-interval command
Context configure>service>vpls>sap>igmp-snooping
configure>service>mesh-sdp>igmp-snooping
configure>service>spoke-sdp>igmp-snooping
Description This command specifies whether a multicast router is attached behind this SAP.
Configuring an SAP as an mrouter-port will have a the following effect: IGMP reports generated
by the system as a result of someone joining or leaving a multicast group, will be sent to this
SAP.
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
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.
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, even
if mrouter-port is enabled.
Default no mrouter-port
Item Description
(2 of 2)
Item Description
Syntax query-interval seconds
no query-interval
Context configure>service>vpls>igmp-snooping
configure>service>vpls>sap>igmp-snooping
configure>service>pw-template>igmp-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.
The configured query-interval must be greater than the configured query-response-interval.
If send-queries is not enabled on this SAP, the configured query-interval value is ignored.
Parameters seconds — The time interval, in seconds, that the router transmits general host-query
messages.
Values: 2 — 1024
Default value is 125
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