ZyXEL Communications P-128IMH, Руководство пользователя, Страница: 113 / 191

Prestige 128IMH ISDN Modem/ Router/Hub
Dial-I n Server Configuration 8-5
Table 8-2 Default Dial-in Setup Fields
Field Description Option
Telco Options: CLID
Authen This field sets the CLID authentication parameter for all
incoming calls. There are three options for this field:
l
None - No CLID is required.
l
Required – CLID must be available, or the Prestige
will not answer the call.
l
Preferred - If the CLID is available then CLID will
be used; otherwise, authentication is performed in
PPP negotiation.
None
Required
Preferred
PPP Options:
Recv. Authen This field sets the authentication protocol for incoming
calls. For security reason, setting authentication to none
is strongly discouraged. Options for this field are:
l
CHAP/PAP - Your Prestige will try CHAP first, but
PAP will be used if CHAP is not available.
l
CHAP – Use CHAP only.
l
PAP – Use PAP only.
l
None – Your Prestige tries to acquire CHAP/PAP
first, but no authentication is required if CHAP/PAP
is not available.
CHAP/PAP
CHAP
PAP
None
Compression Turn on/off Stac Compression. The default for this field
is Off .
On
Off
Mutual Authen Some vendors, e.g., Cisco, require mutual
authentication, i.e., the node that initiates the call will
request a user name and password from the far end that
it is dialing to. If the remote node requires mutual
authentication, set this field to
Yes .
Yes/No
PAP Login This field is applicable only if the Mutual Authen . Field is
set to Yes . Enter in the login name to be used to respond
to the far end’s PAP authentication request. This field
does not apply to CHAP authentication.