EIGRP Default Network Route

Rashmi Bhardwaj | Blog,Config & Troubleshoot,Routing & Switching

Methods to Configure EIGRP Default Network Route

In this post we will see the methods by which we can configure a default network route in EIGRP. The two methods are listed as below:

  • Create a static route and advertise it into EIGRP.
  • Flag an EIGRP route as the default network.

Example Scenario

Let us take the example of simple topology as below:

R1 and R2 are running EIGRP.


R2 to R3 is a different network and network should be reachable via a static default route from R2. R2 advertises this route in EIGRP to R1.


Configuration of EIGRP Default Network Route

R1#sh runn | s r eigrp

router eigrp 10


no auto-summary

R2#sh runn | s r eigrp

router eigrp 10



no auto-summary

Static route on R2:

ip route fa1/0

We see we get a default route advertised to R1 as below:

R1#sh ip route

Codes: L – local, C – connected, S – static, R – RIP, M – mobile, B – BGP

D – EIGRP, EX – EIGRP external, O – OSPF, IA – OSPF inter area

N1 – OSPF NSSA external type 1, N2 – OSPF NSSA external type 2

E1 – OSPF external type 1, E2 – OSPF external type 2

i – IS-IS, su – IS-IS summary, L1 – IS-IS level-1, L2 – IS-IS level-2

ia – IS-IS inter area, * – candidate default, U – per-user static route

o – ODR, P – periodic downloaded static route, H – NHRP, l – LISP

+ – replicated route, % – next hop override

Gateway of last resort is to network

D* [90/30720] via, 00:00:01, FastEthernet0/0 is variably subnetted, 3 subnets, 2 masks

C is directly connected, FastEthernet0/0

L is directly connected, FastEthernet0/0

D [90/30720] via, 00:00:01, FastEthernet0/0

We may also use ip default network global command to make any EIGRP route as the candidate default route.

Continue Reading:

EIGRP Packet Types: The Complete Guide

Configuring EIGRP Stub Feature


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