O'Reilly logo

Cisco OSPF Command and Configuration Handbook by William R. Parkhurst - Ph.D., CCIE #2969

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 6. Administrative Distance

distance administrative-distance

Syntax Description:

  • administrative-distance—The supplied value will be applied to the administrative distance of all OSPF routes in the local routing table. The default administrative distance for OSPF routes is 110.

Purpose: If a router has learned about a network from more than one routing protocol, then the administrative distance is used to select the best route. The best route is the route that will be installed in the IP routing table. It is the route with the lowest administrative distance. The default administrative distances for the IP routing protocols are as follows:

  • connected—0

  • static—1

  • EBGP—20

  • EIGRP—90

  • IGRP—100

  • OSPF—110

  • IS-IS—115

  • RIP—120

  • IBGP—200

Initial Cisco IOS Software Release ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required