Motorola 3347 - Manual (Page 245)

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CONFIG Commands
Configuring Port Authentication. You can use the following command to specify how
your Motorola Netopia® Gateway should respond when it receives an authentication
request from a remote peer.
The settings for por t authentication on the local Motorola Netopia® Gateway must match
the authentication that is expected by the remote peer. For example, if the remote peer
requires CHAP authentication and has a name and CHAP secret for the Motorola Netopia®
Gateway, you must enable CHAP and specify the same name and secret on the Motorola
Netopia® Gateway before the link can be established.
set ppp module [vccn] port-authentication
option [ off | on | pap-only | chap-only ]
Specifying on turns both PAP and CHAP on, or you can select PAP or CHAP. Specify the
username and password when por t authentication is turned on (both CHAP and PAP,
CHAP or PAP.) Authentication must be enabled before you can enter other information.
set ppp module [vccn] port-authentication username username
The username argument is 1 – 255 alphanumeric characters. The information you enter
must match the username configured in the PPP peer's authentication database.
set ppp module [vccn] port-authentication password password
The password argument is 1 – 128 alphanumeric characters. The information you enter
must match the password used by the PPP peer.