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LSP Status Events

Problem

Label-switched path (LSP) status events occur in the history log of the show mpls lsp extensive command output, and provide detailed information that can help pinpoint the problem with an LSP. This table provides links and commands for many LSP status events. Descriptions generally include sample output of the LSP event, an explanation of what the event means, the possible cause of the event, and any possible actions that you can take. The LSP events are organized alphabetically. (See Table 6.)

Solution

Table 6: LSP Status Events

Understanding LSP Status Events Tasks

Possible Action or Command
Displaying LSP Status Events

show mpls lsp extensive
  1. Call Was Cleared by RSVP Event

Not applicable.
  1. Change in Active Path Event

Not applicable.
  1. Clear Call Event

Not applicable.
  1. Deselected as Active Event

Analyze this event, and refer to events on either side of this event to determine the appropriate action.

  1. Down Event

Analyze this event, and refer to events on either side of this event to determine the appropriate action.

  1. Fast Reroute Detour Down Event

Analyze this event, and refer to events on either side of this event to determine the appropriate action.

  1. Fast Reroute Detour Up Event

Not applicable.
  1. Link Protection Down Event

Include the family mpls statement for all alternate paths for the LSP at the [edit interfaces type-fpc/pic/port.unit] hierarchy level.

  1. Link Protection Up Event

Not applicable.
  1. Originate Call Event

[edit protocols rsvp]
set traceoptions file rsvp.log
set traceoptions flag packets

file show /var/log/rsvp.log
  1. Originate Make-Before-Break Call Event

Not applicable.
  1. Record Route Event

Not applicable.
  1. ResvTear Received Event

Analyze this event, and refer to events on either side of this event to determine the appropriate action.

  1. RSVP Disabled Event

[edit protocols]
activate rsvp

[edit protocols rsvp]
set interface type-fpc/pic/port

  1. RSVP Error Event

[edit protocols]
activate rsvp
  1. Selected as Active Path Event

Not applicable.
  1. Session Preempted Event

Not applicable.
  1. Up Event

Not applicable.
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