- Prior to named mode (15.x)
- Uses autonomous system number still, no name for AS.
- ‘router eigrp <as number>
- Hello messages to find neighbors are sent on Multicast 224.0.0.10.
- Updates are sent between routers via unicast.
- In header shows protocol number 88.
- Configuration:
- R1(config)#router eigrp 1
- R1(config-router)#network 192.168.1.0 0.0.0.255
- Needs autonomous system number to match for adjacency.
- Needs wildcard number if not using classful networks.
- Verification:
- show ip eigrp interfaces
- Similar to ‘show ip ospf int brief’
- show ip protocols
- debug eigrp <?>
- show ip eigrp topology
- Shows successors and feasible successors.
- show ip eigrp neighbors
- Q count should be 0. If not there may be congestion on the network.
- show ip eigrp interfaces
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