User is unable to redistribute routes into OSPF


Jun 17, 2009 10:07 PM
Jun 17th, 2009

Core Issue

If the routes to be redistributed are subnetworks of major networks, the subnets keyword is necessary  to redistribute routes into Open Shortest Path First (OSPF).

Another possible cause for routes not being redistributed is the use of filters with the redistribute configuration command. These filters do not permit the routes in question.


To resolve this issue, perform these steps:

  1. Ensure that the subnets keyword is used with the redistribute command to redistribute subnetworks.
  2. Ensure that any filters used with the redistribute command allow for the advertisement of the routes in question.

If the route to be redistributed is a default route, then other options need to be taken into consideration.

For more information, refer to How Does OSPF Generate Default Routes?.

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Posted June 17, 2009 at 10:07 PM
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