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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
Figure 2-18 lists the controls on earlier PIX Firewall models.
Figure 2-18 Earlier PIX Firewall Access
Step 2 Connect network cables to each of the PIX Firewall’s network interfaces. On the PIX 520, connect the
cables at the front of the unit; on earlier models, connect the cables at the rear.
If you are not installing a four-port Ethernet card, which is supported only with version 4.4(1) and later,
add the cables as shown in Figure 2-19.
Figure 2-19 Up to Four Single-Port Interfaces in a PIX Firewall
PIX Firewall version 2 supports two interfaces, version 3 supports three interfaces, versions 4.0 and 4.1
support three interfaces, version 4.2 supports four interfaces, version 4.3 supports four interfaces, and
version 4.4 supports six interfaces. Version 5.0, 5.1, and 5.2 support up to 6 interfaces.
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Interface 1
Interface 3
Interface 2
Interface 0