11: PC Card
SecureLinx SLC User Guide
134
PPP Mode
Negotiate IP
Address
If the SLC and/or the serial device have dynamic IP
addresses (e.g., IP addresses assigned by a DHCP
server), select
Yes
. This is the default.
If the SLC or the modem have fixed IP addresses, select
No,
and enter the
Local IP
(IP address of the port) and
Remote IP
(IP address of the modem).
Authentication
Enables
PAP
or
CHAP
authentication for modem logins.
PAP
is the default.
With
PAP
, users are authenticated by means of the Local
Users and any of the remote authentication methods that
are enabled.
With
CHAP
the
CHAP Handshake
fields authenticate the
user.
CHAP Handshake
The
Host/User Name
(for UNIX systems) or
Secret/User Password
(for Windows systems) used for
CHAP authentication. May have up to 128 characters.
Enable NAT
Select to enable Network Address Translation (NAT) for
dial-in and dial-out PPP connections on a per modem
(Device Port or PC Card) basis. Users dialing into the SLC
access the network connected to Eth1 and/or Eth2.
Note:
IP forwarding must be enabled on the Network -
Settings page for NAT to work.
Dial-out
Number
Phone number for dialing out to a remote system or serial
device. May have up to 20 characters. Any format is
acceptable.
Dial-out
Login
User ID for dialing out to a remote system. May have up to
32 characters.
Password
Password for dialing out to a remote system. May have up
to 64 characters.
Idle Timeout
Timeout for PPP dial-in and dial-on-demand connections.
Select
Yes
(default) for the SLC to terminate the
connection if no traffic is received during the configured
idle time. Enter a value of from 1 to 9999 seconds. The
default is
30
seconds.
Restart Delay
The number of seconds after the timeout and before the
SLC attempts another connection. The default is
30
seconds.
ISDN Settings
Note:
These fields are disabled if the PC Card inserted is not an ISDN card.
Channel
Select to indicate which B channel on the ISDN card to
use. Valid values are 1 and 2. (The B-channel is the
channel that carries the main data.) Only one 64K channel
can be used at a time.
Phone Number
Phone number associated with the B channel. May have
up to 20 characters. Any format is acceptable.
