How To Create a VPN between an Allied Telesis Router and a Microsoft Windows 2000¹ Client, over NAT-T

2022-03-23
This document describes how to provide secure remote access through IP security (IPSec) Virtual Private Networks (VPN).
This VPN solution is suitable for any business deployment and provides your office with secure internet access and firewall protection, plus remote encrypted VPN access for travelling staff.
The solution allows for IPsec NAT Traversal, which permits VPN clients to communicate through Network Address Translation (NAT) gateways over the Internet. For example, business travellers (road warriors) commonly use IPsec on their laptop to gain remote VPN access to the central office. When working off-site, these users sometimes need to connect to the Internet through a NAT gateway such as from a hotel. Also, NAT gateways are often part of a company's firewall and let its Local Area Network (LAN) appear as one IP address to the world.
For more information about NAT gateways, see RFC 1631 The IP Network Address Translator (NAT), and the Network Address Translation section in the Firewall chapter of your device's Software Reference.
If you do not want to enable NAT-T support, use the companion Note How To Create A VPN Between An Allied Telesis Router And A Microsoft Windows 2000 Client, Without Using NAT-T instead.

Allied Telesis

AR415SAR44xSAR44xS seriesAR450SAR750SAR770SAR725AR745AR720AR740AR410AR410 seriesAR300AR300 series

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English Chinese Chinese and English Japanese

2007/10/23

REV E

C613-16035-00

2.5 MB

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