Summary - Routing Protocol Timers
Here is a set of timers for each Routing Protocol.
- RIP
- Update : 30 seconds,
- Invalid : 180 seconds,
- Holddown : 240 seconds,
- Flush/Garbage : 240 seconds (Cisco) or 300 seconds (IETF).
- EIGRP
- Hello : 5 seconds if BW > T1 else 60 seconds,
- Hold : 15 seconds if BW > T1 else 180 seconds,
- Active : 180 seconds,
- SIA Retransmit : 90 seconds.
- OSPF
- Hello : 10 seconds if the network type is Broadcast or Point2point else 30 seconds for NBMA,
- Dead : 40 seconds if the network type is Broadcast or Point2point else 120 seconds for NBMA,
- LSA Retransmissions : 5 seconds,
- LSU Transmit : 1 seconds,
- LSA Flooding : 1800 seconds.
- BGP
- Keepalive : 60 seconds,
- Holdtime : 180 seconds.
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