User Manual Part 1

Quanta Computer Inc. IEEE802.16e WiMAX IAD (WV202)

User Manual

211, Wen Hwa 2nd Rd., Kuei Shan Hsiang, CONFIDENTIAL

Tao Yuan Shien, Taiwan, R.O.C. Classification: proprietary information

http://www.quantatw.com

3.7 NAT

NAT (Network Address Translation) serves three purposes:

1. Provides security by hiding internal IP addresses. Acts like firewall.

2. Enables a company to access internal IP addresses. Internal IP addresses that are only

available within the company will not conflict with public IP.

3. Allows a company to combine multiple ISDN connections into a single internet connection.

3.7.1 NAT Setting

Field Description Default value

Network Address

Translation

Enable/Disable NAT. Enable

IPSec Pass Through IPsec (Internet Protocol Security) is a framework for a

set of protocols for security at the network or packet

processing layer of network communication.

Enable/Disable this framework verification

Enable

PPTP Pass Through PPTP (Point-to-Point Tunneling Protocol) is a protocol

that allows corporations to extend their own corporate

network through private "tunnels" over the public

Internet. Enable/Disable this protocol verification.

Enable

L2TP Pass Through L2TP (The Layer 2 Tunnel Protocol) is an emerging

Internet Engineering Task Force (IETF) standard that

combines the best features of two existing tunneling

protocols: Cisco's Layer 2 Forwarding (L2F) and

Microsoft's Point-to-Point Tunneling Protocol (PPTP).

L2TP is an extension to the Point-to-Point Protocol

(PPP), which is an important component for VPNs.

VPNs allow users and telecommuters to connect to their

corporate intranets or extranets. Enable/Disable this

function.

Enable

SIP ALG SIP (Session Initiation Protocol) is a signaling protocol Disable