Most routers usedynamic routing automatically builds the routing tables, there are two major
approaches Link State Algorithms and Distance Vector Algorithms. Dynamic
Routing is used by routers to share information about the reachability and
status of remote network. In dynamic routing, a routing protocol on one router
communicates with the same routing protocol running on neighbor routers. The
routers then update each other about all the networks they know about and place
this information into the routing table.
Dynamic Routing has
less administrative overhead when adding or deleting a network Protocols
automatically react to the topology changes and it is more scalable. Dynamic
routing protocols are used by routers to share information about the reachability
and status of remote networks.
The dynamic routing is
using routing protocol to update routing information. The dynamic routing used
as a protocol on one router communicates with the same protocol running on
neighboring routers.
Drawback for Dynamic Routing is more administrator knowledge is required for configuration,
verification and troubleshooting and Router resources are used (CPU cycles,
memory and link bandwidth).
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