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prompt, type the command
PPP
and press enter. Send the terminal
server a “BREAK” from your terminal communication package and await
notification that a PPP link has been established. When conformation
has been received, you may open up a telnet window and establish a
PPP link directly to the terminal server.
When connecting to a remote host via PPP, the are two standard
options of authentication: PAP (Password Authentication Protocol) and
CHAP (Challenge-Handshake Authentication Protocol). In the PAP
authentication process, the terminal server sends the username and the
password to the remote host. The remote host then determines whether
or not the user is allowed to establish the PPP link.
The CHAP option of authentication offers a higher-level of security since
the authentication process is encrypted. In this process, the terminal
server and the remote host have a shared secret key. The terminal
server transmits the local host name and the remote host responds with
a “challenge” number (random number). The “challenge” number is
then encrypted with a response back to the remote host, which encrypts
the challenge using the same secret key. If the responses match, the
PPP session is established.
Type
SNP
4
to display the Network Parameters menu, PPP Parameters
option.