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Nat configuration, Chapter 11 nat configuration, 1$7 &rqiljxudwlrq – Paradyne JetFusion Integrated Access Device User Manual

Page 188

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2000-A2-GB20-10

- 169 -

February 2004

This chapter describes the steps required to configure Network Address
Translation (NAT).

NAT multiplexes traffic from the internal network and presents it to the
Internet as if it is from a single source that has only one IP address.

The NAT Local Server may be configured with a range of both TCP and
UDP ports, which benefits applications including video conferencing and
multi-user games.

Setting up IP networks without NAT may be complex—each requires an IP
address, subnet mask, a DNS address and a default router.

NAT reduces this complexity by:

‹

Modifying IP addresses and checksum without affecting traffic

‹

Automatic network configuration when using DHCP

‹

Packet-level filtering and routing

‹

Traffic logging

This chapter contains the following topics:

‹

Using the NAT Configuration menu (page

170

)

‹

Enabling and Disabling Enabling NAT Translation (page

171

)

‹

Configuring a NAT Local Server (page

172

)

‹

Configuring NAT Timeouts (page

173

)

‹

Configuring the NAT port range (page

174

)

‹

Configuring the NAT Alias Entry (page

175

)

‹

DIsplaying NAT Statistics (page

176

)

‹

Displaying the NAT Connection Table (page

177

)

‹

Displaying NAT Connection Details (page

177

)

‹

Displaying the NAT Local Server Table (page

179

)

‹

Displaying the NAT Alias Table (page

179

)

‹

Deleting an IP Address from NAT Tables (page

179

)

‹

Deleting a NAT Local Server Entry (page

180

)

‹

Deleting a NAT Alias Entry (page

180

)

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NOTE

If you enter an element of NAT information incorrectly, the
network connection will not function and there may be no
indication of what is wrong.