If in my network there is a RIP, EIGRP, OSPF then a request is sent and It may pass to any of the 3 protocols, which among the three has the highest priority or the protocol that is being executed?
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Administrative distance is the feature that routers use in order to select the best path when there are two or more different routes to the same destination from two different routing protocols. Administrative distance defines the reliability of a routing protocol.
List with routing protocols and administrative distances:
EIGRP 90OSPF 110RIP 120
In your case EIGRP has the smallest administrative distance and this protocol will be determine the route.
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thank you. It would be better If you can give me the reference. please – beginner Mar 28 '16 at 08:40
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2This is good article http://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/15986-admin-distance.html – stambata Mar 28 '16 at 08:45