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Checklist for Configuring CSPF Tracing

The checklist provides links and command to configure Multiprotocol Label Switching (MPLS) Constrained Shortest Path First (CSPF) tracing. With each flag that you configure, more granular information about CSPF calculations is provided by the CSPF log file output.

Table 12 provides commands for configuring CSPF tracing.

Table 12: Checklist for Configuring CSPF Tracing

Tasks

Possible Action or Command
Understanding CSPF  
Configuring CSPF Tracing

[edit]
edit protocols mpls

[edit protocols mpls]
set traceoptions file filename
 set traceoptions flag cspf
set traceoptions flag cspf-link
set traceoptions flag cspf-node

show
commit
Examining the CSPF Log File  
  1. Trace Only CSPF Computations

[edit protocols mpls]
run monitor start filename
 run show log filename

  1. Trace Nodes Visited During CSPF Computations

[edit protocols mpls]
run monitor start filename
 run show log filename

  1. Trace Links Visited During CSPF Computations

[edit protocols mpls]
run monitor start filename
 run show log filename
 show ted database
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