User`s guide

MBR L13 – User’s Guide
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3. To add a NAT IP address, click the New IP Address link. The Edit Item screen appears.
Figure 59: Edit Item
4. Select from IP address, IP Subnet, IP Range or the DHCP option in the Network Object Type drop-down
menu. Enter the information respectively and click OK to save the settings.
5. To add a new NAT/NAPT rule, click the New Entry link in the NAT/NAPT Rule Sets section of the NAT screen.
The Add NAT/NAPT Rule screen appears.
Figure 60: Add NAT/NAPT Rule
This screen is divided into two main sections: Matching and Operation. The Matching section defines the
LAN addresses to be translated to the external addresses which are defined in the Operation section.
6. Matching Use this section to define characteristics of the packets matching the rule.
Source Address The source address of packets sent or received by the L13. The drop-down menu provides
you the ability to specify the computer or group of computers on which you would like to apply the rule.
Select an address or a name from the list to apply the rule on the corresponding host, or Any to apply the
rule on all L13 LAN hosts.
Destination Address The destination address of packets sent or received by MBR. This address can be
configured in the same manner as the source address. This entry enables further filtration of the packets.
Protocol You may also specify a traffic protocol. Selecting the Show All Services option from the drop-down
menu expands the list of available protocols. Select a protocol.
7. Operation - Use this section to define the operation that will be applied on the IP addresses matching the
criteria defined above. The operations available are NAT or NAPT. Selecting each from the drop-down menu
refreshes the screen accordingly.