Configuring plain text authentication on an OSPFv2 interface

To configure plain text authentication on an OSPFv2 interface, complete the following steps.
  1. Enter the configure terminal command to access global configuration mode. 
    device# configure terminal
  2. Enter the interface command and specify an interface. 
    device(config)# interface ve 1
  3. Enter the ip ospf authentication plain-text command with the required plain text key string. 
    device(config-vif-1)# ip ospf authentication plain-text mystring

The following example enables plain text authentication using the key string "mystring" on the specified interface. 

device# configure terminal
device(config)# interface ve 1
device(config-vif-1)# ip ospf authentication plain-text mystring
Parent topic: OSPFv2 authentication configuration