Summary
Troubleshooting MPLS TE, like any other kind of troubleshooting, needs to be done very systematically. You need a good grasp of how MPLS TE works in order to troubleshoot. You should know the tools for the job—the show and debug commands.
TE problems can be broadly divided into tunnel-down problems and forwarding problems. This chapter described in great detail how to troubleshoot these problems, including which show or debug commands to use and when to use them. With this, you should be able to tackle most of the basic TE problems you run into, if not all.
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