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Cisco Secure Firewall Services Module (FWSM) by Arvind CCIE No. 7016 Durai, Ray CCIE No. 7050 Blair

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Chapter 24 FWSM 4.x Performance and Scalability Improvements

The release of the 4.x code train offers some major improvements in performance and scalability. Trusted Flow Acceleration allows flows to bypass the Firewall Services Module (FWSM), achieving line-rate performance. The combination of the FWSM along with the Programmable Intelligent Services Accelerator (PISA) adds a new level of traffic inspection. The change in memory provisioning for both partitions and rule allocation has greatly improved how resources can be divided. Access list optimization also helps to improve the way that memory is utilized by consolidating overlapping access lists.

Increasing Performance by Leveraging the Supervisor

One of the most significant features to ...

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