Friday, June 6, 2008

How to configure OSPF step by step?

OSPF short for Open Shortest Path First is a Routing Protocol used to select the best suitable route for packets with in the network. OSPF basically an open standard protocol and not relate to any particular vendor. OSPF propagate the changes to all networks more quickly as compare to RIP and IGRP protocols then only send the changed part of the routing table to the other routers with in their area. We can decrease the size of routing table by dividing a big network into logically small segment using its area feature. OSPF protocol check the availability of others routers in the network by sending Hello packets, if the other router does not respond then it is assumed to be dead router. When you used OSPF for single area configuration, its configuration method is slightly differs from the RIP and IGRP.

There are some common OSPF configuration and Executable commands:

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