3Com 3C433279A Release Note - Page 5

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Parameter

PUBLIC_PORT

Note: PAT can only be used when the ISP has provided only one IP

address. This one IP address will dynamically change with each new

connection.

Dynamic NAT

Release 2.5 includes support for Dynamic Network Address Translation

(NAT) over the WAN interface. Dynamic NAT configures and associates a

name with a specific number of ISP-assigned addresses.

You can set Dynamic NAT through the Web Configuration Interface. From

the main, browser-based Web Configuration Interface page, click Select

NAT/PAT Configuration under the Network menu, choose NAT and

supply the following parameters:

You can also set Dynamic NAT using CLI. The CLI command for adding

Dynamic NAT over the WAN interface is as follows:

ADD NAT DYNAMIC USER <USER_NAME>

This command should be followed sequentially by the following sub

commands. See the table below for definitions of the parameters.

COUNT <NUMBER OF ADDRESSES>

PUBLIC_POOL_START<IP_ADDRESS>

Parameter

<USER_ NAME>

COUNT

Description

The destination port number of the ISP-assigned IP

address on the public network.

The port number of the single ISP-assigned IP address

on the public network.

User name

Starting IP Address

Number of Addresses

Subnet Mask

Description

Unique name that you want to assign the connection

that uses Dynamic NAT to map ISP-assigned addresses

to connections on the private network. Limit: 32 ASCII

characters.

Total number of ISP-assigned addresses starting with

the public_pool_start address that is used by the RAS

1500 for Dynamic NAT mapping.

New Features