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BRKARC-3445
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NSF – Non Stop Forwarding
No Route Flaps During Recovery
Following SSO recovery and activation of
standby supervisor , forwarding engines
continue to route the traffic based hardware
FIB table
Supervisor reestablishes adjacency indicating
this is NSF restart
Peer updates the newly active supervisor
routing processes with its routing information
Newly active supervisor sends routing updates
to the peer
RIB attaches to FIB and forwarding engine
TCAMs are updated with the new FIB entries
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