cisco ccna exam prep book

cisco ccna exam prep book.Router A -----7 router A richard Router(config-if)# encapsulation ppp router BRouter(config-if)# ppp pap sent-username your_hostname password passwordOn the router interface, you must first specify the encapsulation type as PPP; second, you must specify the use of PAP authentication and provide a password with theThis is done using the command ppp pap sent-username. To configure the PAP server side of a PPP connection, use the following configuration.Router(config)# hostname your_router1 s_hostname Router(config)# username remote_hostnamepassword mat ching_password Router(config)# interface type [s2ot_#/]port_# Router(config-if)# encapsulation ppp Router(config-if)# ppp authentication papFigure 24.6 PAP and CHAP AuthenticationFirst, a unique host name must be assigned to the router. Second, you must list the hostname that the remote router uses to prove its identity and thepassword, which is achieved using the command username. Note that the passwords configured on the server side and the client side must be the same (passwords are case sensitive). o On the router's WAN interface, you need to enable PPP using the command encapsulation ppp, and then use the command ppp authentication pap to specify the use of PAP authentication.The aforementioned client- and server-side configurations perform one-way authentication: the client proves its identity to the server, and the server does not prove its identity to the client. To perform two-way authentication - each end proves its identity to the other - configure both devices as a PAP server and client.