Virtual Private LAN Services
Page 622 7750 SR OS Services Guide
Special Cases Service Admin State — Bindings to an SDP within the service will be put into the out-of-service
state when the service is shutdown. While the service is shutdown, all customer packets are dropped
and counted as discards for billing and debugging purposes.
Service Operational State — A service is regarded as operational providing that two SAPs or if
one SDP are operational.
SDP (global) — When an SDP is shutdown at the global service level, all bindings to that SDP are
put into the out-of-service state and the SDP itself is put into the administratively and operationally
down states. Packets that would normally be transmitted using this SDP binding will be discarded and
counted as dropped packets.
SDP (service level) — Shutting down an SDP within a service only affects traffic on that service
from entering or being received from the SDP. The SDP itself may still be operationally up for other
services.
SDP Keepalives — Enables SDP connectivity monitoring keepalive messages for the SDP ID.
Default state is disabled (shutdown) in which case the operational state of the SDP-ID is not affected
by the keepalive message state.
VPLS SAPs and SDPs — SAPs are created in a VPLS and SDPs are bound to a VPLS in the
administratively up default state. The created SAP will attempt to enter the operationally up state. An
SDP will attempt to go into the in-service state once bound to the VPLS.
description
Syntax description description-string
no description
Context config>service>vpls
config>service>vpls>gsmp>group
config>service>vpls>gsmp>group>neighbor
config>service>vpls>igmp-snooping>mvr
config>service>vpls>interface
config>service>vpls>split-horizon-group
config>service>vpls>sap
config>service>vpls>mesh-sdp
config>service>vpls>spoke-sdp
config>service>vpls>sap>dhcp
config>service>vpls>mld-snooping>mvr
Description This command creates a text description stored in the configuration file for a configuration context.
The description command associates a text string with a configuration context to help identify the
content in the configuration file.
The no form of this command removes the string from the configuration.
Default No description associated with the configuration context.
Parameters string — The description character string. Allowed values are any string up to 80 characters long
composed of printable, 7-bit ASCII characters. If the string contains special characters (#, $,
spaces, etc.), the entire string must be enclosed within double quotes.
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