April 2003
Intermediate to advanced
768 pages
20h
English
This RFC defines the various network design specifications and considerations to keep in mind when designing Autonomous System Border Routers (ASBRs) that will run BGP with other ASBRs external to the AS and OSPF as its IGP. Within this RFC, you can find some guidelines and recommendations for the exchange of routing tables between OSPF and BGP and vice versa.
Tip
Please be aware that I never recommend redistributing BGP into OSPF as a permanent situation in a network. I acknowledge that in some limited and temporary circumstances this might be necessary but don’t let it become permanent!
The mapping of routing metrics between BGP and OSPF is also covered, and this is a useful reference. This RFC also defines the ...