Flash Memory Requirements; Maximum Configuration File Size - Cisco PIX 520 - PIX Firewall 520 Installation Manual

Chapter 1 Overview

Flash Memory Requirements

Table 1-2
PDM Version 3.0 by platform.
Table 1-2
PIX Firewall Model
PIX 501
PIX 506/506E
PIX 515/515E
PIX 520
PIX 525
PIX 535

Maximum Configuration File Size

For optimum performance, we recommend a configuration file of no more than 100 KB (approximately
1500 lines) when using PDM.
PIX Firewall configuration files over 100 KB may interfere with the performance of PDM on your
workstation in the following situations:
•
•
•
To determine the size of your configuration file, enter the show flashfs command at the PIX Firewall
CLI prompt. View the output which begins with "file 1." The number labeled "length" on the same line
is the configuration file size in bytes.
78-15483-01
lists Flash memory requirements for PIX Firewall software Version 6.3 in conjunction with
Flash Memory Requirements for PDM Version 3.0
Flash Memory Required
8 MB
8 MB
16 MB
16 MB (Some PIX 520 units may need a memory upgrade because older units
had 2 MB, though newer units have 16 MB)
16 MB
16 MB
While executing commands such as write term and show conf
Failover (the configuration synchronization time)
During a system reload
For example:
pixfirewall# show flashfs
flash file system: version:3
file 0:origin: 0 length:1925176
file 1:origin:2883584 length:2944
file 2:origin:3014656 length:32
file 3:origin: 0 length:0
file 4:origin:3145728 length:131072
file 5:origin:8257536 length:308
magic:0x12345679
Cisco PIX Device Manager Installation Guide
PIX Firewall System Requirements
1-5