Node Protection
The earlier section “Node Protection Overview” provided you with a basic understanding of how node protection works. This section focuses on the details of node protection, particularly the areas in which node protection deviates from link protection.
Similarities Between Link Protection and Node Protection
Node protection and link protection share a few common characteristics and differ on a few others. The similarities are as follows:
Enabling FRR at the primary tunnel headend
Tying the protected link to the backup tunnel
Failure detection
Connectivity restoration
Post-failure signalling
In node protection, although you are trying to protect against the failure of an NHop, the way you detect the failure is configured on the link ...
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