Cisco® CCNP Route Exam Notes : Describing Administrative Distance

3. Layer3 Technologies

3.6 Describe administrative distance

Administrative distance is the suitable feature that the routers will use to select the perfect path when there are 2 or more different routes to a same destination from the 2 different routing protocol

An administrative distance of 0 represents highest trustworthiness of the route.

An administrative distance of 255 represents the lowest trustworthiness of the route.

The below table describes default administrative distances.

Router Source And Administrative Distances













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