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Admission Control Errors When Fast Reroute is Configured

This case study describes a network interoperability issue between Juniper Networks routers and another vendor's equipment. When fast reroute is configured, admission control errors appear in the output of the Juniper Networks router. This chapter includes a brief summary of admission control errors, an example network scenario, and commands to troubleshoot and resolve the problem. (See Table 11.)

The troubleshooting process described in this case study should not be followed rigidly; it is a basis from which you can develop your own process to suit your particular situation.


Table 11: Admission Control Errors When Fast Reroute is Configured Checklist
Troubleshooting Tasks
Command or Action


Symptom

show mpls lsp ingress extensive

Cause

Because of interoperability issues with another vendor's equipment, multiple Path messages from a Juniper Networks T640 routing platform are sent to the other vendor's equipment.

Troubleshooting Commands

show mpls lsp ingress extensive
show configuration protocols mpls
monitor start
filename
show log filename

Solution

Configure adaptive LSPs.

Router Configuration

show configuration | no-more



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