ZyXEL Communications 70 Series User Manual

ZyWALL 5/35/70 Series User’s Guide

137 

Chapter 7 WAN Screens

To configure load balancing on the ZyWALL, click NETWORK, WAN in the navigation 
panel. The WAN General screen displays by default. Select Active/Active Mode under 
Operation Mode to enable load balancing on the ZyWALL. 

The WAN General screen varies depending on what you select in the Load Balancing 
Algorithm field. 

Check WAN1/2 

Connectivity

Select the check box to have the ZyWALL periodically test the respective WAN 

port's connection. 
Select Ping Default Gateway to have the ZyWALL ping the WAN port's default 

gateway IP address.
Select Ping this Address and enter a domain name or IP address of a reliable 

nearby computer (for example, your ISP's DNS server address) to have the 

ZyWALL ping that address. For a domain name, use up to 63 alphanumeric 

characters (hyphens, periods and the underscore are also allowed) without spaces. 

Check Traffic 

Redirection 

Connectivity

Select the check box to have the ZyWALL periodically test the traffic redirect 

connection. 
Select Ping Default Gateway to have the ZyWALL ping the backup gateway's IP 

address.
Select Ping this Address and enter a domain name or IP address of a reliable 

nearby computer (for example, your ISP's DNS server address) to have the 

ZyWALL ping that address. For a domain name, use up to 63 alphanumeric 

characters (hyphens, periods and the underscore are also allowed) without spaces.

Windows 

Networking 

(NetBIOS over 

TCP/IP): 

NetBIOS (Network Basic Input/Output System) are TCP or UDP packets that 

enable a computer to connect to and communicate with a LAN. For some dial-up 

services such as PPPoE or PPTP, NetBIOS packets cause unwanted calls.

Allow between 

WAN and LAN

Select this check box to forward NetBIOS packets from the LAN to the WAN and 

from the WAN to the LAN. If your firewall is enabled with the default policy set to 

block WAN to LAN traffic, you also need to enable the default WAN to LAN firewall 

rule that forwards NetBIOS traffic.
Clear this check box to block all NetBIOS packets going from the LAN to the WAN 

and from the WAN to the LAN.

Allow between 

WAN and DMZ

Select this check box to forward NetBIOS packets from the WAN to the DMZ and 

from the DMZ to the WAN. 
Clear this check box to block all NetBIOS packets going from the WAN to the DMZ 

and from the DMZ to the WAN.

Allow between 

WAN and WLAN

Select this check box to forward NetBIOS packets from the WLAN to the WAN and 

from the WAN to the WLAN. 
Clear this check box to block all NetBIOS packets going from the WLAN to the WAN 

and from the WAN to the WLAN.

Allow Trigger Dial Select this option to allow NetBIOS packets to initiate calls.

Apply

Click Apply to save your changes back to the ZyWALL.

Reset

Click Reset to begin configuring this screen afresh.

Table 32   WAN General (continued)