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ZyWALL 2 Series User’s Guide
3-8 Wizard Setup
Table 3-3 PPTP Encapsulation
LABEL DESCRIPTION
My IP Address Type the (static) IP address assigned to you by your ISP.
My IP Subnet
Mask
Type the subnet mask assigned to you by your ISP (if given).
Server IP Address Type the IP address of the PPTP server.
Connection
ID/Name
Enter the connection ID or connection name in this field. It must follow the "c:id" and
"n:name" format. For example, C:12 or N:My ISP.
This field is optional and depends on the requirements of your DSL modem.
Next
Click Next to continue.
Back
Click Back to return to the previous screen.
3.4 WAN and DNS
The third wizard screen allows you to configure WAN IP address assignment, DNS server address
assignment and the WAN MAC address.
3.4.1 WAN IP Address Assignment
Every computer on the Internet must have a unique IP address. If your networks are isolated from the
Internet, for instance, only between your two branch offices, you can assign any IP addresses to the hosts
without problems. However, the Internet Assigned Numbers Authority (IANA) has reserved the following
three blocks of IP addresses specifically for private networks.
Table 3-4 Private IP Address Ranges
10.0.0.0 - 10.255.255.255
172.16.0.0 - 172.31.255.255
192.168.0.0 - 192.168.255.255
You can obtain your IP address from the IANA, from an ISP or have it assigned by a private network. If you
belong to a small organization and your Internet access is through an ISP, the ISP can provide you with the
Internet addresses for your local networks. On the other hand, if you are part of a much larger organization,
you should consult your network administrator for the appropriate IP addresses.