164ViewsMPLS view, interface viewDefault command level2: System levelUsage guidelinesRSVP-TE uses the hello extension mechanism to test the reachability of an RSVP neighbor.Before you enable RSVP hello extension in interface view, enable RSVP-TE in interface view and RSVPhello extension in MPLS view.Examples# Enable RSVP hello extension in MPLS view. system-view[Sysname] mpls[Sysname-mpls] mpls rsvp-te hello# Enable RSVP hello extension on VLAN-interface 1. system-view[Sysname] interface vlan-interface 1[Sysname-Vlan-interface1] mpls rsvp-te hellompls rsvp-te hello-lostUse mpls rsvp-te hello-lost to configure the maximum number of consecutive hello losses before an RSVPneighbor is considered dead.Use undo mpls rsvp-te hello-lost to restore the default.Syntaxmpls rsvp-te hello-lost timesundo mpls rsvp-te hello-lostDefaultThe RSVP node considers an RSVP neighbor to be dead if no response is received after sending threeconsecutive hellos.ViewsMPLS viewDefault command level2: System levelParameterstimes: Specifies the maximum number of consecutive hello losses before an RSVP neighbor is considereddead, in the range of 3 to 10.Usage guidelinesAn RSVP node detects whether its RSVP neighbor is still alive by sending hellos regularly. If no responseis received after the number of consecutive hellos reaches the specified limit, the RSVP node considers itsRSVP neighbor as dead. The failure is handled the same as a link layer communication failure.
