TE Fast-Reroute with dynamic option ?
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< Rx> ----<R>-----<Ry>---------<R>----<Rz>
I know we should use "explicit" option o head of tunnel forcing the tunnel to through <Backup> path..then if backup link is down, it do fast reroute using backup tunnel path (Backup->Ry->Rx->End).
Can we do it with "dynamic" option ?
by default it use shortest path on beginning though..but when i bring the link between <Backup>-<R>-<End> down, it doesn't go through <Backup>, instead using <Rx>..it's new best path based on IGP.