ProSafe Gigabit Quad WAN SSL VPN Firewall SRX5308 Reference Manual
2-22 Connecting the VPN Firewall to the Internet
v1.0, April 2010
Configuring Load Balancing
To configure load balancing:
1. Select Network Configuration > WAN Settings from the menu.
2. Click the WAN Mode tab. The WAN Mode screen displays.
3. In the Load Balancing Settings section of the screen, configure the following settings:
a. Select the Load Balancing Mode radio button.
b. From the corresponding drop-down list on the right, select one of the following load
balancing methods:
• Weighted LB. With weighted load balancing, balance weights are calculated based on
WAN link speed and available WAN bandwidth. This is the default setting and most
efficient load-balancing algorithm.
• Round-robin. With round-robin load balancing, new traffic connections are sent over
a WAN link in a serial method irrespective of bandwidth or link speed. For example, if
the WAN1, WAN2, and WAN3 interfaces are active in round-robin load balancing
mode, an HTTP request could first be sent over the WAN1 interface, then a new FTP
session could start on the WAN2 interface, and then any new connection to the
Internet could be made on the WAN3 interface. This load-balancing method ensures
that a single WAN interface does not carry a disproportionate distribution of sessions.
4. Click Apply to save your settings.
Figure 2-15
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