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OSPF Router ID

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The OSPF Router ID:

-Identifies the router to OSPF neighbors (#show ip ospf neighbor)

-The highest physical interface is selected (the interface with the highest IP address)

-The loopback interface is given the higher priority (even if the loopback IP address is the lowest)

-New router-id command beats all

-Example:  (config-router)#router-id 4.4.4.4

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About Behzad Munir

Behzad Munir, P.Eng, is a Voice Solutions Consultant working in Toronto, Canada

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