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Chapter 3
Configuration via Local Pages
E-DOC-CTC-20051017-0169 v0.1
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Type The Type parameter determines which Virtual IP Address Mapping type is selected.
Either dhcp or nat can be selected.
Selecting dhcp has the effect that the virtual IP address attributed by the VPN
server to the SpeedTouch™ VPN client is effectively assigned to the terminal.
The SpeedTouch™ creates a new IP address pool, called a spoofing address
pool. The SpeedTouch™will use this pool to provide a new IP address to the
terminal that starts the secure connection. Simultaneous access to the VPN of
multiple terminals in the LAN is not possible. The VPN server attributes a
single virtual IP address.
Selecting nat has the effect that the VPN server attributes a virtual IP address to the
SpeedTouch™ VPN client. This virtual IP address is stored in the SpeedTouch™. The
SpeedTouch™ will automatically create a new NAT entry to map the virtual IP
address to the IP addresses used on the local network. Simultaneous access to the
VPN of multiple terminals is supported.
The spoofing address pool inherits the lease time for IP addresses
from the originally used address pool. In order to have a swift renewal
of IP addresses, it is recommended to set a conveniently low lease
time in the original dhcp address pool. A value of 60 seconds is
suggested.