HP-UX IPFilter v18.21 Release Notes HP-UX 11i v3 (761996-001, January 2014)

2 Enhancements in this release

This chapter discusses the new features or enhancements provided in this release.

• Support for LARGE NAT feature in IPFilter—

Enabling LARGE NAT allows fine tuning of IPFilter NAT HASH table sizes. Tuning the HASH

table sizes may reduce the number of HASH collisions, which results in faster search in the

HASH tables and increased throughput.

The size of all the hash tables is 127 by default. The size can be tuned using kctune

parameters.

• To reduce write lock delays during NAT operation, performance improvements are done.