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Link
and Node Protection and CAC
CAC cannot select or install the bypass route for a
bandwidth-constrained Layer 2 circuit using an LSP that has link and
node protection configured. Link and node protection is not available
for these routes. If the protected LSP path goes down, even if the
LSP switches to the bypass, CAC no longer uses that path for the Layer
2 circuit route. CAC reevaluates the Layer 2 circuit route and updates
it either to use a different LSP or, if no LSP with sufficient bandwidth
is found, the Layer 2 circuit is taken down and an error is reported.
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