â– mpls rsvp signalling hello graceful-restart
â– mpls rsvp signalling hello graceful-restart recovery-time
â– mpls rsvp signalling hello graceful-restart restart-time
Configuring RSVP-TE Hellos Based on Node IDs
You can configure the exchange of node-ID–based RSVP-TE hellos (node hellos) for
interoperability with routers that cannot support RSVP-TE graceful restart with
link-based hellos. E Series routers use node hellos only to support their graceful restart
capabilities.
NOTE: Graceful restart must be enabled on the VR so that the node hellos can
advertise the graceful restart capabilities. Link-based hellos are not required for
graceful restart when you have configured node hellos. However, you might still use
link-based hellos to monitor RSVP-TE links and detect link failures.
To configure the exchange of RSVP-TE node hellos on all RSVP-TE interfaces in the
VR:
1. Enable RSVP-TE graceful restart.
host1:vr5(config)#mpls rsvp signalling hello graceful-restart
2. Enable node hellos.
host1:vr5(config)#mpls rsvp signalling node-hello
3. (Optional) Configure the refresh interval.
host1(config-if)#mpls rsvp signalling node-hello refresh interval 12000
4. (Optional) Configure the refresh misses.
host1(config-if)#mpls rsvp signalling node-hello refresh misses 5
NOTE: Issuing the refresh interval or the refresh misses keywords only configures
the refresh values; this action has no effect on enabling or disabling RSVP-TE node
hellos.
Related Topics Basic MPLS Configuration Tasks on page 268â–
â– Additional RSVP-TE Configuration Tasks on page 286
â– mpls rsvp signalling node-hello
Configuring RSVP-TE Hellos Based on Node IDs â– 293
Chapter 3: Configuring MPLS
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