The above network has RIPv2, OSPF, and EIGRP protocols in Intranet and is connec

Question

The above network has RIPv2, OSPF, and EIGRP protocols in Intranet and is connected to two ISPs thru BGP protocol. As a consultant write a technical proposal to implement the following solutions.

1. Implement a redistribution solution

2. Implement BGP connection to ISPs

3. Implement a solution which avoids your network becoming a transit hub for BGP external routes

Multiprotocol Network RIP Network Redistribution RIPv2 to OSPF OSPF to RIPv2 EIGRP Network. SPF real OSPF Area 0 Redistribution OSPF to EIGRP EIGRP to OSPF OSPF Area 2 BGP BGP ISP 1 ISP 2

Explanation / Answer

For redistribution solution-

If more than one routing protocol is running on a router, the routing table process will place the route with the best administrative distance into the routing table.

Routing protocols can only redistribute routes they know. Thus, if RIP is being redistributed into EIGRP, the routing table must have an entry for the RIP network.

When a route is redistributed, it inherits the default administrative distance of the new routing protocol.

Redistributed routes are called external. External routes in EIGRP are given a different (higher) AD, while OSPF tracks the route as external and prefers internal route

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