Chapter 5. Firewall Load Balancing

This chapter introduces the reader to firewall load-balancing (FWLB) concepts, technology, and designs. We will talk about motivations behind FWLB solutions, different types of firewalls, and how to load balance them. Reference design options and configurations will be discussed.

At the end of the chapter, we discuss a case study that implements FWLB in a network with multiple secure segments using Cisco’s module-based load balancer for the Catalyst 6500 (Cat6500), the Content Switching Module (CSM). Details of the CSM and Catalyst 6500 configurations are included together with an explanation of various key commands.

Reasons for and Benefits of FWLB

In today’s data centers, the security of the network, servers and ...

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