Virtual Private LAN Services
7750 SR OS Services Guide Page 541
robust-count
Syntax robust-count robust-count
no robust-count
Context config>service>vpls>snooping
config>service>vpls>sap>snooping
config>service>vpls>spoke-sdp>snooping
config>service>vpls>mesh-sdp>snooping
Description If the send-queries command is enabled, this parameter allows tuning for the expected packet loss on
a SAP or SDP. The robust-count variable allows tuning for the expected packet loss on a subnet and is
comparable to a retry count. If this SAP or SDP is expected to be 'lossy', this parameter may be
increased. IGMP snooping on this SAP or SDP is robust to (robust-count-1) packet losses.
If send-queries is not enabled, this parameter will be ignored.
Default 2
Parameters robust-count — Specifies the robust count for the SAP or SDP.
Values 2 — 7
send-queries
Syntax [no] send-queries
Context config>service>vpls>sap>snooping
config>service>vpls>spoke-sdp>snooping
config>service>vpls>mesh-sdp>snooping
Description This command specifies whether to send IGMP general query messages on the SAP or SDP.
When send-queries is configured, all type of queries generate ourselves are of the configured version.
If a report of a version higher than the configured version is received, the report will get dropped and
a new wrong version counter will get incremented.
If send-queries is not configured, the version command has no effect. The version used on that SAP/
SDP will be the version of the querier. This implies that, for example, when we have a v2 querier, we
will never send out a v3 group or group-source specific query when a host wants to leave a certain
group.
Default no send-queries
source
Syntax [no] source ip-address
Context config>service>vpls>sap>snooping>static>group
config>service>vpls>spoke-sdp>snooping>static>group
config>service>vpls>mesh-sdp>snooping>static>group
Description This command adds a static (s,g) entry to allow multicast traffic for the corresponding multicast
group from that specific source. For the same multicast group, more than one source can be specified.
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