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EtherFast
®
Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint
4140
• IP Address - If you select IP Address, only the computer with the spe-
cific IP Address that you enter will be able to access the tunnel. In the
example shown in Figure 7-13, only the computer with IP Address
192.168.1.10 can access the tunnel from this end. Only the computer with
IP Address 192.168.2.12 can access the tunnel from the remote end (in
your settings, use the IP Addresses appropriate for your VPN).
• IP Range - If you select IP Range, it will be a combination of Subnet and
IP Address. You can specify a range of IP Addresses within the Subnet
which will have access to the tunnel. In the example shown in Figure 7-
14, all computers on this end of the tunnel with IP Addresses between
192.168.1.1 and 192.168.1.20 can access the tunnel from the local end.
Only computers assigned an IP Address between 192.168.2.1 and
192.168.2.100 can access the tunnel from the remote end (in your set-
tings, use the IP Ranges appropriate for your VPN).
Figure 7-13
Figure 7-14
Instant Broadband
®
Series
Local Secure Group and Remote Secure Group
The Local Secure Group is the computer(s) on your LAN that can access the
tunnel. The Remote Secure Group is the computer (s) on the remote end of the
tunnel that can access the tunnel. Under Local Secure Group and Remote
Secure Group, you may choose one of three options: Subnet, IP Address, and
IP Range. Under Remote Secure Group, you have two additional options: Host
and Any.
• Subnet - If you select Subnet (which is the default), this will allow all
computers on the local subnet to access the tunnel. In the example shown
in Figure 7-12, all Local Secure Group computers with IP Addresses
192.168.1.xxx will be able to access the tunnel. All Remote Secure Group
computers with IP Addresses 192.168.2.xxx will be able to access the tun-
nel (in your settings, use the IP Addresses appropriate for your VPN).
When using the Subnet setting, the default values of 0 should remain in
the last fields of the IP and Mask settings.
Note: The IP Addresses and Subnet Mask values used here are for
example only. Do not try to use them for your actual setup. Obtain
the relevant information from your own network to accurately config-
ure your Firewall Router.
Figure 7-12
Note: It is possible to set up your Firewall Router using any combi-
nation of the three settings under Local Secure Group and the five set-
tings under Remote Secure Group. For instance, when Subnet is cho-
sen on the local end of the tunnel, Subnet does not have to be chosen
at the remote end. So a single IP Address could be chosen to access
the tunnel on the local end and a range of IP Addresses could be set at
the remote end of the tunnel.