Compaq ProSignia 720 Performance Analysis and Tuning of Raptor's Eagle NT 3.06 - Page 12
Number of rules used or rule base, Protocols used during test configurations, MaxReceive buffer
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278A/0497 WHITE PAPER (cont.) ... • The -y switch disables DNS lookups of source addresses when HTTP analyzes incoming connections. Default installations do not use this switch. • The -z switch disables DNS lookups of destination addresses when HTTP analyzes incoming connections. Default installations do not use this switch. In using these switches to gain performance on HTTP transfers, some restrictions do apply: • Alert thresholds for all HTTP rules are disabled. This is not usually a problem. Since HTTP traffic is so bursty by nature, even the highest alert thresholds are often exceeded. • HTTP connections do not appear in Hawk's Gateway window. This is not usually a problem since HTTP connections are so short-lived. • HTTP connections that have exceeded a time limit or time range are not automatically killed. • Messages in the Eagle log file do not display the number of the rule being used. Number of rules used or rule base The NSTL setup requires a minimum of 4 rules, which are used for most tests. Rule sets of 100 were also used to compare the performance difference in scanning the rule base. Protocols used during test configurations Tests are done using FTP and HTTP protocols and just the HTTP protocol. In both sets of tests a base system is used and the software and hardware difference is measured from the base system. MaxReceive buffer changes on the NetFlx-3 NIC cards Using the Windows NT Registry: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\cpqnf3(#)\Parameters Add the following parameter: MaxReceives = REG_DWORD 0x1F4 = 500 • Increases the number of MaxReceives counters for Compaq Netelligent 10/100TX Network Controller to 500. (The default is 100.) • Specifies the maximum number of receive lists the driver allocates for receive frames Base System • ProLiant 5000 system • 1-Pentium Pro 200 MHz Processor, 512K cache • 64 MB RAM • 2-EISA NetFlx-3 Network Interface Cards • PCI Smart/2-Array controller, 1Disk, Raid 0 • MaxReceive Buffer for NetFlx-3 cards equals 100 • 100 Mb Network • HTTP cache is ON • DNS Lookups for HTTP is ON 12