Virtual Private LAN Services
7210 SAS-X, R6 OS Services Guide Page 407
When the Dot1q tag is not defined, the default value of zero is stored as the administrative dot1q
value. Setting the value to zero is equivalent to not specifying the value.
The no form of this command disables the command.
Default no vlan-vc-tag
Parameters 0..4094 — Specifies a valid VLAN identifier to bind an 802.1Q VLAN tag ID.
fast-leave
Syntax [no] fast-leave
Context config>service>vpls>sap>igmp-snooping
config>service>vpls>spoke-sdp>igmp-snooping
config>service>vpls>mesh-sdp>igmp-snooping
config>service>pw-template>igmp-snooping
Description This command enables fast leave. When IGMP fast leave processing is enabled, the will immediately
remove a SAP from the multicast group when it detects an IGMP “leave” on that SAP. Fast leave
processing allows the switch to remove a SAP that sends a 'leave' from the forwarding table without
first sending out group-specific queries to the SAP, 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.
When fast leave is enabled, the configured last-member-query-interval value is ignored.
Default no fast-leave
from-vpls
Syntax from-vpls service-id
no from-vpls
Context config>service>vpls>sap>igmp-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 service-id — Specifies the MVR VPLS from which multicast channels should be copied into this
SAP.
Values service-id: 1 — 2147483648
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