In practical applications routers are often connected to many different networks, to achieve communication between multiple networks, routing protocols are configured on routers, and in some large network topologies, there are situations where multiple routing protocols are common, and new technologies are used to---route redistribution.
As a result of the company's business development needs, the acquisition of another company, the original network of the new acquisition of the OSPF protocol, the company and its subsidiaries running the RIP protocol, in order to enable the Company and its subsidiaries to update the normal routing information, to maintain the original network topology, the head office and the subsidiaries of the It is often necessary to carry out the routing bidirectional redistribution technology to realize the business development needs. The following figure:
1. RA Routing configuration:
2. RB Routing configuration:
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