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Each LSA has its own age timer. By default, how long does an LSA wait before requiring an update?

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Each LSA has its own age timer. By default, how long does an LSA wait before requiring an update?

(a) 30 seconds

(b) 1 minute

(c) 30 minutes

(d) 1 hour

The question was posed to me in homework.

The query is from OSPF Configuration in division Network Layer of Computer Network

1 Answer

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Best answer
Correct choice is (c) 30 minutes

Easiest explanation: Each LSA has its own age timer. By default, an LSA waits for 30 minutes before requiring an update. The router then has to send a LSR (Link State Request) to its neighbors to get an update.

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