Timers

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Like any distance vector protocol, RIP periodically sends an update every 30 seconds. This update consists of a broadcast of the entire routing table. The update timer controls this 30-second period. RIP uses the following timers:

  • Update ‚ The time between each update interval. This value is set to 30 seconds, by default, and is configurable.

  • Invalid ‚ The time after which a suspect route becomes invalid. This is set to 180 seconds, by default.

  • Hold-down ‚ The time used to suppress the possibility of defective routes being installed in the routing table. The default time is 180 seconds.

  • Flush ‚ The time after which a route is removed from the routing table. This is set to 240 seconds, by default.

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Troubleshooting IP Routing Protocols
Troubleshooting IP Routing Protocols (CCIE Professional Development Series)
ISBN: 1587050196
EAN: 2147483647
Year: 2002
Pages: 260

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