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Configuring the Router to Improve TED Accuracy

To improve the accuracy of the TED, configure the rsvp-error-hold-time statement. When this statement is configured, a source node (ingress of the RSVP LSPs) learns from the failures of its LSP by monitoring PathErr messages transmitted from downstream nodes. Information from the PathErr messages is incorporated into subsequent LSP computations, which can improve the accuracy and speed of LSP setup. Some PathErr messages also are used to update TED bandwidth information, reducing inconsistencies between the TED and the network.

To configure how long MPLS should remember RSVP PathErr messages and consider them in CSPF computation, include the rsvp-error-hold-time statement:




rsvp-error-hold-time seconds;

You can include this statement at the following hierarchy levels:

[edit protocols mpls]
[edit logical-systems logical-system-name protocols mpls]

The time can be a value from 1 to 240 seconds. The default is 25 seconds. Configuring a value of 0 disables the monitoring of PathErr messages.

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