ZyXEL Communications Internet Security Appliance ZyWALL5UTM 4.0 - Manual (Page 133)

ZyWALL 5/35/70 Series User’s Guide
133 Chapter 7 WAN Screens
7.7 Configuring Load Balancing
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)
LABEL DESCRIPTION