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9
Configuration of Security Functions
to-Point Tunneling Protocol) and IPSec (IP Security) methods have become es-
tablished as promising solutions in recent years.
X4100/200/300
supports both
processes.
Whereas PPTP transmits the data in a tunnel at layer 2 (OSI model), IPSec op-
erates at layer 3. The data are encrypted with a key length of up to 168 bits. IP-
Sec also offers methods for authentication and administration of keys. As IPSec
operates at layer 3, it is fully transparent for the user. This means that the data
for transmission is always heavily encrypted without any action by the user. The
encryption and negotiation of the different keys is carried out either by the router
or for single users by an IPSec client that has been installed on the workstation.
BinTec offers such a client in conjunction with the BinTec IPSec solution.
If you want to implement an IPSec solution with the X4100/200/300, you need
an IPSec extra license. You can obtain this from your dealer.
Detailed information and configuration instructions can be found in the IPSec
Reference Manual, which you receive together with your IPSec license.
9.3.4
Leased Lines
You can also use ISDN BRI and ISDN PRI interfaces of
X4100/200/300
for
leased lines and not just for dialup connections.
You will find configuration instructions in
chapter 6.2, page 119
and
chapter 6.3,
page
142.
346
BinTec Access Networks GmbH
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