3Com OfficeConnect 3C840, Руководство пользователя

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4 Under Address Translation, select Port Address Translation (PAT) ,
Network Address Translation (NAT) , or None (if you are not using
address translation).
If you selected PAT, you must enter the default IP address that will be
used. Next you will click either Static TCP or Static UDP to select the Port
Table type to be managed.
If you selected NAT, click either Dynamic or Static for the IP Address Table
to be managed.
Configuring the PAT
Default Address
When PAT is enabled, the default PAT address can be configured. This
field should be set to the private address of a workstation on the local
LAN. If a data packet is received on the WAN port and a port mapping
does not exist, the frame will be translated using the PAT default address.
840ug.book Page 2 Friday, July 7, 2000 2:23 PM