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This document describes MPLS configurations supported by the switch, including the principle and configuration procedures of static LSPs, MPLS LDP, MPLS QoS, MPLS TE, and MPLS common features, and provides configuration examples.
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(Optional) Configuring Auto Bypass Tunnel Re-Optimization
(Optional) Configuring Auto Bypass Tunnel Re-Optimization
Context
Network changes often cause the changes in optimal paths.
Auto Bypass tunnel re-optimization allows paths to be recalculated
at certain intervals for an auto bypass tunnel. If an optimal path
to the same destination is found due to some reasons, such as the
changes in the cost, a new auto bypass tunnel will be set up over
this optimal path. In this manner, network resources are optimized.
Perform the following configurations on the PLR.
Procedure
Run system-view
The system view is displayed.
Run mpls
The MPLS view is displayed.
Run mpls te auto-frr reoptimization [ frequencyinterval ]
Auto bypass tunnel re-optimization is enabled.
By default, auto bypass tunnel re-optimization is disabled.
If re-optimization is enabled, the default interval at which auto
bypass tunnel re-optimization is performed is 3600 seconds.
(Optional) Immediately re-optimize the TE tunnels.
Run return
Return to the user view.
Run mpls te reoptimization
Manual re-optimization is enabled.
After
you configure the automatic re-optimization in the tunnel interface
view, you can return to the user view and run the mpls te reoptimization command to immediately re-optimize the TE tunnels. After you perform the manual re-optimization,
the timer of the automatic re-optimization is reset and counts again.