Load Balancing vs. Redundancy
The failover affection in PIX firewalls alone provides abutment for redundancy.
One assemblage acts as the alive firewall, and the added one runs in
standby mode. It is not accessible to run both firewalls in alive approach at
the aforementioned time. If you appetite to access accommodation by application two or more
firewalls in alive mode, you should accede purchasing some loadbalancing
equipment. Load balancers, such as the Cisco Content Services
Switch (CSS) 11000 series, accommodate the adeptness to load-balance network
traffic to assorted PIX firewalls in adjustment to accommodate added accommodation and
higher accumulated throughput rates. Be accurate to configure your load
balancers to assignment on a per-conversation basis. If they are configured to
work on a per-packet basis, the stateful analysis affection of the PIX
firewall will end up abstinent accurate traffic