User guide

96 Chapter 4. Configuring Special Features
¥ Multiple-Host Remapping Entries
Users may enter as many host remapping entries as they wish.
Example:
remote addHostMapping 192.168.207.40 192.168.207.49 10.0.20.11
remoteName
remote addHostMapping 192.168.207.93 192.168.207.99 10.0.20.4
remoteName
remote addHostMapping 192.168.209.71 192.168.209.80 10.12.14.16
remoteName
The above entries create three mappings:
192.168.207.40 through 192.168.207.49 are mapped to 10.0.20.11 through 10.0.20.20
192.168.207.93 through 192.168.207.99 are mapped to 10.0.20.4 through 10.0.20.10
192.168.209.71 through 192.168.209.80 are mapped to 10.12.14.16 through 10.12.14.25
¥ Range Overlap Rules
With remote addHostMapping, private IP address ranges cannot overlap for a remote router.
With remote addHostMapping, public IP address ranges cannot overlap for a remote router.
With system addHostMapping, private IP address ranges cannot overlap for a system.
With system addHostMapping, public IP address ranges cannot overlap for a system.
If a private IP address range for a remote router and a private IP address range for the system overlap, the
private IP address range for the remote has precedence.
If a public IP address range for a remote and the public IP address range for the system overlap, the
public IP address range for the remote has precedence.
Private IP addresses and public IP addresses can be the same.
For example, to enable IP/port translation to a remote router and make the IP addresses 10.1.1.7 through
10.1.1.10 globally visible, it is permissible to use either one of the following commands:
remote addHostMapping 10.1.1.7 10.1.1.10 10.1.1.7 remoteName
system addHostMapping 10.1.1.7 10.1.1.10 10.1.1.7
If the remapped hostÕs IP address (classic NAT, one-to-one IP address translation) and the masquerading
IP address (many-to-one IP address translation) are the same, then NAT masquerading has precedence
over classic NAT.