Avaya a500 Betriebsanweisung
PPP Commands
Cajun A500 ATM Switch User Guide
9-9
ppp setCHAP
Purpose
The
ppp setCHAP
command enables you to set up to five hostname/secret pairs used for
incoming CHAP negotiations. With CHAP, the authenticator (server) sends a randomly
generated challenge string to the client, along its hostname. The client uses the hostname
to look up the appropriate secret, combines it with the challenge, and encrypts the string
using a one-way hashing function. The result is returned to the server along with the
clients hostname. The server now performs the same computation, and acknowledges
the client if it arrives at the same result. CHAP also sends challenges at regular intervals
to make sure the client hasnt been replaced by an intruder, for instance by just
switching phone lines.
Syntax
ppp setCHAP { hostname | secret }
Arguments
This command requires the following argument(s):
Example
A500:ppp setCHAP
dialup server name
hostname/secret
Enter up to five hostname/secret pairs for incoming CHAP
negotiations. Hostnames and secrets can be up to eight characters
each. For example: hostname, name of dialup server.