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Installation Guide for the Cisco Secure PIX Firewall Version 5.2
78-11180-01
Chapter 2 Installing a PIX Firewall
Installing a PIX 520 or Earlier Model
PIX 525 Feature Licenses
If you have a PIX-525-UR unrestricted feature license, the following options are available:
• If you have a second PIX 525 to use as a failover unit, install the failover feature and cable as
described in Chapter 3, “Installing Failover.”
Note Do not power on the failover units until the primary unit has been configured.
• If needed, install the PIX Firewall Syslog Server as described in Chapter 4, “Installing the PIX
Firewall Syslog Server (PFSS).”
• If you need to install an optional circuit board such as a Private Link, Ethernet, FDDI, or
Token-Ring board, refer to Chapter 7, “Installing a Circuit Board.”
• If you need to install additional memory, refer to Chapter 6, “Installing a Memory Upgrade.”
Note If for any reason you may choose to downgrade to any software version, note that you need
to use the clear flashfs command before doing so. A new section has been added to Flash
memory that must be cleared before downgrading.
Installing a PIX 520 or Earlier Model
The following topics are described in this section:
• PIX 520 or Earlier Model Installation Instructions
• PIX Firewall with a Four-Port Interface Card
• Installing Interface Cables to a PIX 520 or Earlier Model
PIX 520 or Earlier Model Installation Instructions
Follow these steps to install a PIX 520 or earlier model:
Step 1 Refer to Figure 2-17 for information on the features of the PIX 520 unit.