OSPF Unnumbered Lab

This lab will go over basic unnumbered OSPF configuration on Nexus OS. Lab will be provided as empty configurations.

Lab download: OSPF Unnumbered

Topology




We will have two Nexus' with two loopback interfaces each. One that will be used for the unnumbered link configuration and the other as an additional advertised route for testing purposes.


Configuration

Configuration will be for NX_01. The same commands will be used to configure NX_02/3 just be sure to change the commands as necessary.


Loopbacks and OSPF

(conf)#hostname NX_01

(conf)#feature ospf

(conf)#router ospf Prod1


(conf)#int lo0

(config-if)# ip address 10.10.0.0/32


(conf)#int lo1

(config-if)# ip address 172.16.0.0/32

(config-if)# ip router ospf Prod1 area 0.0.0.0


Transit Interfaces

(conf)#int e1/1

(config-if)# no switchport

(config-if)# medium p2p

(config-if)# ip unnumbered lo0

(config-if)# ip router ospf Prod1 area 0.0.0.0

(config-if)# no shut


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