Inline with two firewalls and two Symantec Web Gateway appliances
You can connect two Symantec Web Gateway appliances to two firewalls as part of a high-availability environment. You can configure the firewalls in active/active failover or active-standby failover. You should configure the Symantec Web Gateway appliances identically except for the network settings.
Inline with two NIC external proxies that are connected twice to dual-homed Symantec Web Gateway
For greater throughput on the proxy server, you can connect a single Symantec Web Gateway appliance with two LAN and two WAN ports to a proxy server. You can also connect a single Symantec Web Gateway appliance with two LAN and two WAN ports to two proxy servers.