ZyXEL Communications USG 2000 User Manual

Page of 1081
 Chapter 13 Interfaces
ZyWALL USG 2000 User’s Guide
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13.9  Virtual Interfaces 
Use virtual interfaces to tell the ZyWALL where to route packets. Virtual interfaces 
can also be used in VPN gateways (see 
) and VRRP groups 
(see 
Virtual interfaces can be created on top of Ethernet interfaces, VLAN interfaces, or 
bridge interfaces. Virtual VLAN interfaces recognize and use the same VLAN ID. 
Otherwise, there is no difference between each type of virtual interface. Network 
policies (for example, firewall rules) that apply to the underlying interface 
automatically apply to the virtual interface as well.
Like other interfaces, virtual interfaces have an IP address, subnet mask, and 
gateway used to make routing decisions. However, you have to manually specify 
the IP address and subnet mask; virtual interfaces cannot be DHCP clients. Like 
other interfaces, you can restrict bandwidth through virtual interfaces, but you 
Phone Number Enter the phone number to dial here. You can use 1-20 numbers, 
commas (,), or plus signs (+). Use a comma to pause during dialing. 
Use a plus sign to tell the external modem to make an international 
call.
User Name
Enter the user name required for authentication.
Password
Enter the password required for authentication.
Retype to 
confirm
Enter the password again to make sure you have not typed it 
incorrectly.
Authentication 
Type
Select the authentication protocol to use for outgoing calls. Choices 
are:
CHAP/PAP - Your ZyWALL accepts either CHAP (Challenge 
Handshake Authentication Protocol) or PAP (Password Authentication 
Protocol), as requested by the computer you are dialing.
CHAP - Your ZyWALL accepts CHAP only. 
PAP - Your ZyWALL accepts PAP only. 
MSCHAP - Your ZyWALL accepts MSCHAP only.
MSCHAP-V2 - Your ZyWALL accepts MSCHAP-V2 only.
Timeout
Type the number of seconds the ZyWALL tries to set up a connection 
before it stops. Allowed values are 30 - 120.
Idle timeout
Type the number of seconds the ZyWALL should wait for traffic before 
it automatically disconnects the connection. Set this field to zero to 
disable the idle timeout. Allowed values are 0 - 360.
Apply
Click Apply to save your changes back to the ZyWALL.
Reset
Click Reset to return the screen to its last-saved settings. 
Table 73   Configuration > Network > Interface > Auxiliary (continued)
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