Cisco WS-C4506 - Syst. Catalyst 4500 Switch Instrukcja Użytkownika Pobierz pdf (Strona 62)

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BRKARC-3445

63

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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