O'Reilly logo

Cisco ASA and PIX Firewall Handbook by Dave Hucaby

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

8-2. Firewall Load Balancing in Software

Firewall Load Balancing (FWLB) is used to balance traffic flows to one or more firewall farms. A firewall farm is a group of firewalls that are connected in parallel or that have their inside (protected) and outside (unprotected) interfaces connected to common network segments.

FWLB requires a load-balancing device to be connected to each side of the firewall farm. A firewall farm with inside and outside interfaces would then require two load-balancing devices—each making sure that traffic flows are directed toward the same firewall for the duration of the connection.

FWLB is performed in software on the Catalyst 6500 switch platform, only in native IOS (also called supervisor IOS). This is known as the ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required