Troubleshooting

Verify that there is a neighbor relationship between the OSPF routers by using theshow ip ospf neighbors command.

Step 1. Verify that the redistribute command is referencing the correct routing process and process number (if applicable). Step 2. Remember the defaults: metric = 20 (1 for BGP), metric type = 2, tag = 0.

To avoid problems associated with mutual redistribution, either use a distribute list (see Sections 7-5, 7-10, and 7-15) or a route map (see Section 14-6) to allow only routes that originated in the routing process domain.

For example, if on the same router, EIGRP is redistributed into OSPF and OSPF is redistributed into EIGRP, then OSPF routes will be redistributed back into OSPF from EIGRP and EIGRP routes will be redistributed back into EIGRP from OSPF. Use a route map or distribute list to prevent this from occurring.

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