Chapter 8 NAT
NR2101 User’s Guide
77
Figure 65 NAT SETTINGS
The following table describes the labels in this screen.
Table 31 NAT SETTINGS
LABEL DESCRIPTION
IP Pass-Through
Select Enable to activate IP Pass-Through. IP Pass-through allows a LAN computer on
the local network of the NR2101 to have access to web services using the NR2101’s
public WWAN IP address. When IP Pass-Through is configured, all traffic is forwarded
to the LAN computer and will not go through NAT.
Select NAT Type Select the NAT Type from the drop down menus. Choices are Symmetric, Port
Restricted, Full cone, or Address Restricted.
IPSEC VPN Pass-Through Select Enable to allow VPN clients to make outbound IPSec connections. It is
required in order to connect to a IPSec VPN account. If IPSEC is disabled, then when
a client sends a request to a VPN server, the server will reply to the NR2101 and the
NR2101 will drop the request. When IPSEC is enabled, the NR2101 will forward the
reply from the VPN server to the client that initiated the request, and the connection
will establish successfully.
PPTP VPN Pass-Through Select Enable to allow VPN clients to make outbound PPTP connections. It is required
in order to connect to a PPTP VPN account. If PPTP is disabled, then when a client
sends a request to a VPN server, the server will reply to the NR2101 and the NR2101
will drop the request. When PPTP is enabled, the NR2101 will forward the reply from
the VPN server to the client that initiated the request, and the connection will
establish successfully.
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