Sunday, May 13, 2018

Redistributing internal OSPF into BGP

Hey guys, I was wondering if anyone could shed some light on this topic for a networking beginner.

I am attempting to build a network in Packet Tracer for educational purposes. The topology is that there are 3 offices, each office routes internally with OSPF. Each office has a boundary router. These boundary routers then connect to a single router "hub" that is to act as an ISP.

Currently OSPF is working in each office, and the three external routers and the ISP router communicate using BGP fine.

What isn't working is communication out of an office, past the external router.

This is a very badly drawn diagram which shows OSPF process numbers for each office and ASN/BGP numbers for each office and the ISP.

Diagram



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