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156 USING THE M208’S ADDITIONAL OPTIONS: Serial Line IP
The baud rate must correspond to the baud rate of the attached modem.
2 Add a route to the M208’s routing table for the remote host.
store tcpip route add host [
remotehost ipaddress
] [r
emote-
host ipaddress
] [
ioportname
]
store net route add host 192.147.242.3 192.147.242.3 com1
3 Configure the M208 to answer ARP requests for this remote host so that anything
destined for this remote host will go to the M208.
store tcpip proxy add host [
remotehost ipaddress
]
store tcpip proxy add host 192.147.242.3
4 Enable the IP gateway option on the M208 so that data packets will be sent from
the Local M208 network to the remote host.
store tcpip opts gateway
5 Create logins for the users who will be dialing-in from a remote host.
set user add
userid
set user passwd
userid
[
password
]
6 Reset the M208 to make these settings take effect.
reset
7 The remote host can now dial-in to the modem. Once the connection is made with
the M208, they will be given a standard login screen where they will type their
user id and password and press <Enter>.
8 The standard npsh message will appear. At the prompt, type:
slip
This configures the serial port to SLIP for as long as the connection is maintained.
When the connection is dropped, the serial port reverts back to standard npsh mode.
The remote host is now part of the M208’s network as if it were a new host on that net-
work. Basically, whatever a host on the local network can do, the remote host can do.
The M208 detects that the connection was dropped via the DCD signal on the serial
port pin. When connecting via a modem, this is usually handled by the modem itself.
If you are connecting to the serial port via a null modem cable, make sure that the
cable carries the DCD signal from the remote host so that the M208 will revert back to
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