Configuration MP.11-R Installation and Management
NAT (SU Only; Routing Mode Only)
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NAT Static Port Mapping Table
Adding entries to the NAT Static Mapping Table lets configured hosts in a private address realm on the Ethernet side of
the SU access hosts in the public network using Network Address Port Translation (NAPT). At the most, 1000 ports can
be configured (500 UDP ports and 500 TCP ports).
Add Entries to the NAT Static Port Mapping Table
1. Click Add Table Entries.
2. Enter the following information, and click Add:
• Enter the Local IP Address of the host on the Ethernet side of the SU.
• Select the Port Type: TCP, UDP, or Both.
• Enter the Start Port and End Port.
Edit/Delete Entries in the NAT Static Port Mapping Table
1. Click Edit/Delete Table Entries.
2. Enter your changes. To delete an entry, click the Status drop-down box and select Delete. Then Click OK.
Supported Session Protocols
The NAT feature supports the following session protocols for both inbound and outbound access with the required
support, applications, and limitations given in the following table.
Certain Internet applications require an Application Level Gateway (ALG) to provide the required transparency for an
application running on a host in a private network to connect to its counterpart running on a host in the public network. An
ALG may interact with NAT to set up state information, use NAT state information, modify application specific payload and
perform the tasks necessary to get the application running across address realms.
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