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12.1.5 PPTP configuration instance
In this scenario, a company is based in Shanghai. It has a branch office in Beijing, and hopes to
achieve a mutual access to the internal resources of the LAN in two places. The company also has
some mobile users in business trips and using remote office hoping to remotely access the
company's internal resources of LAN.
The scenario uses the PPTP to establish VPN tunnels, and the VPN gateway in both places are
using HiPER router, and the mobile users using the built-in PPTP client software of the Windows
operating systems at the following addresses:
Shanghai gateway (PPTP server):
Intranet network segment: 192.168.1.0/24.
LAN IP address: 192.168.1.1/24.
WAN domain name: 200.200.202.126/24.
Beijing gateway (PPTP client):
Intranet network segment: 192.168.16.0/24.
LAN IP address: 192.168.16.1/24.
WAN IP address: 200.200.202.127/24.
Mobile client (PPTP client):
A PPTP tunnel connection is established using the Windows operating system through the
PPTP dial-up.
The configuring steps are follows:
http://www.level1.com
Figure 12_6 PPTP instance topology
Chapter 12 VPN
Page 128
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