How to configure OSPF Configuration in Packet Tracer | Clock Rate Configuration | Detailed Config.
OSPF - The OSPF stands for Open Shortest Path First. It is a widely used and supported routing protocol. It is an intradomain protocol, which means that it is used within an area or a network. It is an interior gateway protocol that has been designed within a single autonomous system. It is based on a link-state routing algorithm in which each router contains the information of every domain, and based on this information, it determines the shortest path. The goal of routing is to learn routes. The OSPF achieves by learning about every router and subnet within the entire network. Every router contains the same information about the network. The way the router learns this information by sending LSA (Link State Advertisements). These LSAs contain information about every router, subnet, and other networking information. Once the LSAs have been flooded, the OSPF stores the information in a link-state database known as LSDB. The main goal is to have the same information about every router in an LSDBs.
Packets take different routes when sent in large and complex networks.
Some routes can be longer while others are shorter.
The fastest available routes are always the best hence a mechanism is needed to identify them.
OSPF : OSPF (Open Shortest Path First) is a popular link-state routing protocol. Routers will exchange pieces of
information called LSAs (link state advertisement) in order to build a complete topology database which we call
the LSDB (link state database). These lessons will teach you everything, we start with the basics and work our way
through the most advanced OSPF topics.
Clock Rate-
Router1#show controllers serial0/0/0
Interface Serial0/0/0
Hardware is PowerQUICC MPC860
No serial cable attached
//In case you did not have attached serial cable.
//Show controllers serial0/0/0 result when serial cable is connected
UpaaeRouter1#show controllers serial0/0/0
Interface Serial0/0/0
Hardware is PowerQUICC MPC860
DCE V.35, clock rate 64000
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