EIGRP

EIGRP

1. Distance Vector Protocol

   • Routing by rumor
   • Must periodically inform neighbors of topology changes
   • Uses hop count as a metric to determine path to remote networks

2. Cisco Proprietary

3. Allows for reduction of Bandwidth

4. Route Summerization

5. Route Redistribution

6. DUAL (Diffusing Update Algorithm

   • Fast Convergence
   • Incremental Updates
   • Backup Routes

7. Routers Have 3 Tables

   • Neighbor Table
     • Devices that a router is exchanging routes with
     • #show ip eigrp neighbor
   • Routing Table
     • Actively used routes
   • Topology Table
     • Successor and Feasible successor routes

8. Simple configuration

9. Unequal cost load-balancing

10. Feasible distance