Simple password authentication allows a password (key) to be configured per area. Routers in the same area that want to participate in the routing domain will have to be configured with the same key. The drawback of this method is that it is vulnerab...
http://www.ebrahma.com/2013/11/configuringverifying-troubleshooting-simple-password-authentication-ospf/Labels: authentication, Configuring, Configuring-Simple-Password-Authentication, debug-ip-ospf-ad, OSPF, OSPF-Authentication, Simple-Password-Authentication, Troubleshooting-authentication, Troubleshooting-Simple-Password-Problems, Verifying-