Links between rout
The usual encapsulation technologies are Ethernet encapsulation, PPP and HDLC encapsulation, Ethernet is often used for the connection between Lans, and the latter two are often used for WAN encapsulation.
Authentication configuration of PPP:
1 encapsulates the PPP protocol.
Encapsulation PPP
2 record the name and password of the peer router on this router.
Rejie (config) # username...
Password...
3 set the local router name and password.
Hostname...
Enable secret...
4 configure authentication mode.
Rejie (config-if) PPP authentication
5 send authentication information to the peer router.
Rejie (config-if) PPP pap sentuserame...
Passwor...
There is a big difference between WAN encapsulation and link encapsulation on Ethernet.
