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Chapter 10 Interface
ZyWALL USG 100/200 Series User’s Guide
221
10.6 The PPP Interfaces Screen
Use PPP interfaces (PPPoE/PPTP interfaces) to connect to your ISP so you do not have to
install or manage PPPoE or PPTP software on each computer in the network.
Figure 159 Example: PPPoE/PPTP Interfaces
PPPoE/PPTP interfaces are similar to other interfaces in some ways. They have an IP address,
subnet mask, and gateway used to make routing decisions; they restrict bandwidth and packet
size; and they can verify the gateway is available. There are two main differences between
PPPoE/PPTP interfaces and other interfaces.
1 You must set up an account with your ISP and configure the PPPoE/PPTP interface with
your account’s settings.
2 You do not set up the subnet mask or gateway.
PPPoE/PPTP interfaces are interfaces between the ZyWALL and only one computer.
Therefore, the subnet mask is always 255.255.255.255. In addition, the ZyWALL
always treats the ISP as a gateway.
At the time of writing, it is possible to set up the IP address of the gateway (ISP) using CLI
commands but not in the web configurator.
Click Network > Interface > PPP to open the following screen. This screen lists the PPPoE/
PPTP interfaces configured on the ZyWALL.
Figure 160 Network > Interface > PPP
Each field is described in the table below.
Table 59 Network > Interface > PPP
LABEL DESCRIPTION
# This field is a sequential value, and it is not associated with any interface.
Name This field displays the name of the interface.
Base Interface This field displays the interface on the top of which the PPPoE/PPTP interface
is.