What‘s the calculation process of OSPF route?

Created Mar 31, 2016 18:14:39Latest reply Mar 31, 2016 20:24:58 872 2 0 0

What's the calculation process of OSPF route?

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Ravger     Created Mar 31, 2016 20:24:58 Helpful(0) Helpful(0)

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  • convention:

Ravger     Created Mar 31, 2016 20:24:58 Helpful(0) Helpful(0)

OSPF route calculation process can be briefly described as follows:
1) Each OSPF device generates LSA based on the network topology around them, and sends the LSA update packets to other OSPF devices in the network.
2) Each OSPF equipment will collect LSAs sent from other routers, the LSDB consists of all LSAs.
3) OSPF devices convert the LSDB into a weighted and directed graph, which is a true reflection of the entire network topology.
4) Each OSPF equipment calculates a shortest path tree using itself as the root according to the graph, this tree gives the route to each node in the autonomous system.
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  • convention:

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