CNRC INTEREST Lab: Routing Experiment

As part of this experiment, one can work with RIP, OSPF and various other protocols and can analyze the performance of these protocols.

We have experimented with the Open Shortest Path First Protocol. OSPF is a link state routing protocol. It is an interior gateway protocol (IGP) meaning that it distributes routing information between routers belonging to a single Autonomous System (AS). OSPF packets are transmitted with an IP data packet with protocol field in the IP header set to 89 for OSPF.

• RFC 2328
• Cisco's OSPF Design Guide
• OSPF FAQs
• Designing & Implementing an OSPF Network

We are trying to find out how OSPF behaves in presence of node failure and link failure and how much time does it take to stabilize the routing table. Following is the some of the OSPF experiments we performed.

• Test 1
• Test 2
• Test 3

Written by the Spring 2001 INTEREST team.