Netgear UTM9S – ProSECURE Unified Threat Management (UTM) Appliance with DSL and Wireless modules Manual De Referência

You can configure the UTM to generate a WAN status log and email 

this log to a specified address (see 

Configure Load Balancing and Optional Protocol Binding

To use multiple ISP links simultaneously, configure load balancing. In load balancing mode, 
any WAN port carries any outbound protocol unless protocol binding is configured.

When a protocol is bound to a particular WAN port, all outgoing traffic of that protocol is 
directed to the bound WAN port. For example, if the HTTPS protocol is bound to the WAN1 
port and the FTP protocol is bound to the WAN2 port, then the UTM automatically routes all 
outbound HTTPS traffic from the computers on the LAN through the WAN1 port. All outbound 
FTP traffic is routed through the WAN2 port.

Protocol binding addresses two issues:

Segregation of traffic between links that are not of the same speed.

High-volume traffic can be routed through the WAN port connected to a high-speed link, 
and low-volume traffic can be routed through the WAN port connected to the low-speed 
link.

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.

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Select Network Config > WAN Settings > WAN Mode. The WAN Mode screen 
displays: