RSVP Commands
Page 294 7450 ESS MPLS Guide
b. An adaptive CSPF LSP whose path has explicit hops defined using the listed maintenance
interface(s)/node(s).
c. A CSPF LSP with the adaptive option disabled and which current path is over the listed
maintenance interfaces in the PathErr message. These are not subject to make-before-break.
d. A non CSPF LSP which current path is over the listed maintenance interfaces in the PathErr
message.
The head-end LER node upon receipt of the updates IPG TE LSA/LSP for the maintenance interfaces
updates the TE database. This information will be used at the next scheduled CSPF computation for
any LSP which path may traverse any of the maintenance interfaces.
The no form of the command disables the graceful shutdown operation at the RSVP interface level or
at the RSVP level. The configured TE parameters of the maintenance links are restored and the
maintenance node floods the links.
Default none
gr-helper-time
Syntax gr-helper-time max-recovery recovery-interval [1..1800] seconds max-restart restart-
interval [1..300] seconds
no gr-helper-time
Context config>router>rsvp
Description This command configures the local values for the max-recovery and the max-restart intervals used in
the RSVP Graceful Restart Helper feature.
The values are configured globally in RSVP but separate instances of the timers are applied to each
RSVP interface that has the RSVP Graceful Restart Helper enabled.
The no version of this command re-instates the default value for the delay timer.
Parameters recovery-interval — Specifies the max recovery interval value in seconds.
Values 1—1800
Default 300
restart-interval — Specifies the max restart interval value in seconds.
Values 1—300
Default 120
implicit-null-label
Syntax [no] implicit-null-label
implicit-null-label
Context config>router>rsvp
Description This command enables the use of the implicit null label.
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