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xDSL Network Module for the UTM9S and UTM25S
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ProSecure Unified Threat Management (UTM) Appliance
• Continuity of source IP address for secure connections.
Some services, particularly HTTPS, cease to respond when a client’s source IP address
changes shortly after a session has been established.
Configure Load Balancing
To configure load balancing:
1. Select Network Config > WAN Settings > WAN Mode. The WAN Mode screen
displays:
Figure 332.
Note: You cannot configure load balancing when you use a PPPoE or
PPPoA connection and have selected the Idle Timeout radio button
on the WAN ISP Settings screen (single WAN port models) or on one
of the WAN ISP Settings screens (multiple WAN port models); to use
load balancing on a PPPoE or PPPoA connection, select the Keep
Connected radio button. For more information, see Figure 327 on
page 557 and the accompanying PPPoE and PPPoA information in
Table 142 on page 558.
2. 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 DSL, USB, or WAN link speed and available DSL, USB, or WAN
bandwidth. This is the default setting and the most efficient load-balancing
algorithm.