- Eicon User's Guide Modem DIVA LAN ISDN

Appendix C: Command Line Reference IP NAT 180
IP NAT
ENABLE IP NAT
DISABLE IP NAT
Valid context: Profile
Enables or disables NAT (network address translation) for this profile. NAT allows the DIVA LAN ISDN
Modem to use only one IP address when communicating with remote sites via the ISDN port. NAT is enabled
by default.
SHOW IP NAT
Valid context: General
Displays the IP NAT table, which contains the settings for all computers on
the internal LAN that are visible to the external network.
ADD IP NAT {UDP | TCP} port ipaddress
Valid context: General
Allows a computer on the internal LAN to be visible to the external network
for a particular protocol. For example, if you want an internal computer to function as a SMTP (E-mail) server,
set TCP to port 25 and enter the IP address of the computer.
UDP: Use the UDP protocol.
TCP: Use the TCP protocol.
port: Port to use.
ipaddress: IP address of the computer on the internal LAN.
DELETE IP NAT {UDP | TCP} port
Valid context: General
Deletes the specified entry in the IP NAT table.
UDP: UDP protocol.
TCP: TCP protocol.
port: Port being used.
DEFAULT: The IP address that the DIVA LAN ISDN Modem forwards unresolved incoming datagrams to.
ipaddress: IP address of the computer on the internal LAN.
SET IP NAT {UDP | TCP | DEFAULT} port address
Valid context: General
Allows a computer on the internal LAN to be visible to the external network
for a particular protocol. For example, if you want an internal computer to function as a SMTP server set TCP
to port 25 and enter the IP address of the computer.
UDP: Use the UDP protocol.
TCP: Use the TCP protocol.
DEFAULT: The IP address that the DIVA LAN ISDN Modem forwards unresolved incoming datagrams to.
port: Port to use.
address: IP address of the computer on the internal LAN.