EIGRP_Show_IPROUTE_RouterC

Cisco ICND2 – Configure, verify and troubleshoot EIGRP

Chris Stark Cisco, ICND2

Next routing protocol up is configure, verify and troubleshoot EIGRP.

Using the same layout from OSPF, we will re-configure for EIGRP.

OSPF_Diagram

First turn off ospf on the routers

configure terminal
no router ospf 1

Configuring EIGRP is similar to that of OSPF.

RouterA

configure terminal
router eigrp 1
network 10.0.3.68 0.0.0.3
network 10.0.3.72 0.0.0.3
network 10.0.3.32 0.0.0.31
network 10.0.0.0 0.0.0.255
no auto-summary

RouterB

configure terminal
router eigrp 1
network 10.0.1.0 0.0.0.255
network 10.0.3.64 0.0.0.3
network 10.0.3.0 0.0.0.31
network 10.0.3.68 0.0.0.3
no auto-summary

RouterC

configure terminal
router eigrp 1
network 10.0.2.0 0.0.0.255
network 10.0.3.64 0.0.0.3
network 10.0.3.72 0.0.0.3
no auto-summary

Verify EIGRP

Router A routing table:

EIGRP_Show_IPROUTE_RouterA

Router B routing table:

EIGRP_Show_IPROUTE_RouterB

Router C routing table:

EIGRP_Show_IPROUTE_RouterC

  • show ip route eigrp
  • show ip eigrp neighbors
  • show ip eigrp topology
  • show ip protocols
  • ping remote computers/WAN links

Troubleshoot EIGRP

  • Autonomous number must match
  • Like OSPF, the EIGRP timers must match
  • If routing tables not advertising correct routes, auto summary may be enabled, I like to turn auto  summary off
  • debug eigrp packet
  • debug ip eigrp neighbor
EIGRP
EIGRP
EIGRP.pkt
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