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

8-3. Firewall Load Balancing in Hardware

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 can be performed in hardware with a CSM on the Catalyst 6500 switch platform. The CSM is a very robust and high-performance device, using the ASLB features to ...

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