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M2M Cellular Gateway
Scenario Application Timing
Above diagram illustrates the security gateway at headquarters playing the PPTP VPN
server role. The PPTP tunnel is established by starting from PPTP client, the Security
Gateway 2 in Network‐B or the mobile device, like notebook. All client hosts behind the
Security Gateway 2 or the mobile device can access the resources in the Intranet of
Network‐A at headquarters via this established PPTP tunnel. Usually, these hosts at
PPTP client peer access the Internet directly via the WAN interface of Security Gateway
2. Only the packets whose destination is in the dedicated subnet to Network‐A will be
transferred via the PPTP tunnel.
Scenario Description
PPTP Tunneling is a Client and Server based tunneling technology.
The PPTP Server must have a Static IP or a FQDN and maintain a Client list (account /
password). The Client may be a mobile user or mobile site and requesting the PPTP
tunnel connection with its account / password.
PPTP protocol is used for establishing a PPTP VPN tunnel.
Parameter Setup Example
Index skipping is used to reserve slots for new function insertion, when required.
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