Advanced Routing Protocols

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In the modern era, networks are the most critical infrastructure layer running the IT enabled businesses globally. As the business requirements have grown, corporate networks have become more complex. The largest global computing network is the Internet which is the backbone of millions of businesses across the globe.


The popular routing protocol used on the Internet is the Border Gateway Protocol (BGP) which is an exterior gateway routing protocol. Corporate networks manage internal routing with the help of Routing Information Protocol version 2 (RIPv2) and Open Shortest Path First (OSPF) which are interior gateway routing protocols. In this case study, the practical implementation of a complex network for an International Travel Agency is demonstrated using Cisco Routing devices. The protocols implemented are RIP, OSPF and BGP whereby RIP routes and redistributed into OSPF which in turn are redistributed into BGP.
This is a case study of an International Travel Agency that relies heavily on the Internet for advertising & sales operations. The organization has core interface to Internet at San Jose whereby two links are planned - Primary as a T3 connectivity and backup as T1 connectivity. The organization has planned large back-office operations at London and Capetown whereby London needs to have 30 networks with OSPF routing only (OSPF Stubby Area), Capetown needs to have another 30 networks with OSPF routing with limited external redistribution (OSPF Not-So-Stubby-Area) along with a large RIP area whereby 30 networks need to be connected using EZ IP configurations. ...
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