Novell NETWARE 6-DOCUMENTATION Manual page 1398

You can also use the SET command to configure the CMD for NAT support.
These options are listed below. To assign the public IP address, enter the
following command:
Set Public IP Address = XX.XX.XX.XX
To assign the public IP subnet, enter the following command:
Set Public IP Subnet = XX.XX.XX.XX
To assign the NAT realm, enter the following command:
Set NAT Realm Name = "string"
To assign the local clients IP network numbers, enter the following command:
Set Local Clients IP NetNumber List =
XX.XX.XX.XX;XX.XX.XX.XX/
NAT Support Configuration Parameters
Public IP Address
This is the IP address assigned by the NAT device to a server. Enter the value
in dotted decimal format. By default, the value is set to "0.0.0.0". The public
address is a unique global IP address that is statically configured in the NAT
router.
Public IP Subnet
This is the subnet number of the public IP address assigned by the NAT device
to a server. Enter the value in dotted decimal format. By default, the value is
set to "0.0.0.0".
NAT Realm
This is a realm identifier given to a private routing realm. Enter a string (not
exceeding 30 characters). By default, the value is set to "NONE". The name
should be unique for all private realms.
Local IP Network no.1...Local IP Network no.n
These are a list of IP clients network numbers. Enter the value in dotted
decimal format ; separate each network number by a semi-colon. These
network numbers correspond to clients on the private realm of the CMD
server. You need to specify network numbers of local CMD clients when
CMD clients on the public network are statically pointng to CMD servers or
MAs in the private realm to avoid any errors. If no CMD clients in the public
network are pointing to CMD servers or MAs in the private realm, it is not
necessary to set this parameter.
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Server Communications Administration Guide