Cisco PIX 520 - PIX Firewall 520 Manual de usuario

CHAPTER

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PIX 520

This chapter guides you through the installation of the PIX 520, and includes the following sections:

•PIX 520 Product Overview, page 5-1

•Installing the PIX 520, page 5-4

•PIX 520 Feature Licenses, page 5-6

•Installing Failover, page 5-7

•Installing LAN-Based Failover, page 5-8

•Removing and Replacing the PIX 520 Chassis Cover, page 5-10

•Replacing a Lithium Battery, page 5-12

•Installing a Memory Upgrade, page 5-12

•Installing a Circuit Board in the PIX 520, page 5-15

•Installing the PIX 520 DC Model, page 5-21

PIX 520 Product Overview

This section describes the PIX 520 front and rear panels and the panel LEDs.

Figure 5-1 shows the front view of the PIX 520.

Figure 5-1 PIX 520 Front Panel

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Chapter 5 PIX 520

PIX 520 Product Overview

Figure 5-2 shows the rear view of the PIX 520.

Figure 5-2 PIX 520 Rear Panel

Note Use of the four-port Ethernet circuit board changes the position of the outside and inside interfaces

depending on the slot in which the circuit board is installed. Four-port Ethernet connectors are numbered

from the top connector down sequentially. On horizontally mounted cards, the slots are numbered left to

right.

The PIX 520 can be used with Ethernet circuit boards.

The four-port Ethernet circuit board provides four 10/100 Ethernet connections and has autosense

capability. Connectors on the four-port Ethernet circuit board are numbered top to bottom sequentially;

however, the actual device number depends on the slot in which the four-port Ethernet circuit board is

installed.

Table 5-1 describes how the top connector is numbered.

With the four-port Ethernet circuit board, having a circuit board in slot 3 makes the number of interfaces

greater than six; while the circuit board in slot 3 cannot be accessed, its presence does not cause

problems with the PIX security appliance.

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Auto-Range Selection

L:90-135V H:180-270V

Table 5-1 Numbering Devices with a Four-Port Connector

Slot 0 Contains Slot 1 Contains Slot 2 Contains

Four-Port Top

Connector

4-port Any Any ethernet0

Ethernet 4-port Any ethernet1

Ethernet Ethernet 4-port ethernet2

Token Ring 4-port Any ethernet0

Token Ring Token Ring 4-port ethernet0

Token Ring Ethernet 4-port ethernet1

Ethernet Token Ring 4-port ethernet1

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Chapter 5 PIX 520

PIX 520 Product Overview

Figure 5-3 shows the location of the interfaces if you install a four-port Ethernet circuit board in slot 0.

Figure 5-3 Four-Port Ethernet Circuit Board Installed in Slot 0

Figure 5-4 shows how the slots are numbered if a single-port Ethernet circuit board is inserted in

slot 0, and a four-port Ethernet circuit board is inserted in slot 1.

Figure 5-4 Single-Port Ethernet Circuit Board Installed in Slot 0 and Four-Port Ethernet Circuit Board

Installed in Slot 1

Figure 5-5 shows how the slots are numbered if single-port Ethernet circuit boards are installed in slot 0

and in slot 1, and a four-port Ethernet circuit board is inserted in slot 2.

Figure 5-5 Single-Port Ethernet Circuit Board Installed in Slot 0 and 1 and Four-Port Ethernet Circuit

Board Installed in Slot 2

44306

Interface 5

Interface 4

Interface 0

Interface 1

Interface 2

Interface 3

44307

Interface 0

Interface 1

Interface 2

Interface 3

Interface 4

44308

Interface 0

Interface 1

Interface 3

Interface 4

Interface 2

Interface 5

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Chapter 5 PIX 520

Installing the PIX 520

To install the PIX 520, perform the following steps:

Step 1 Refer to Figure 5-6 for information on the features of the PIX 520.

Figure 5-6 PIX 520 Front, Rear, and Side Panels.

Step 2 Connect network cables to each of the PIX security appliance network interfaces. On the PIX 520,

connect the cables at the front of the unit.

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Power connector

DC power connector

Slots for

network

interfaces

Front Rear

Power switch

Ground lugs

Diskette

compartment

Right side

Left side

Fan duct

Holes to connect

rackmount slide rails

(must be purchased

separately from

outside vendor)

Failover

connector

Console

connector

Insert PIX

security appliance

diskette

Reset

button

Power

light

To access,

loosen screws

counterclockwise

Set plate

on surface

To remove

diskette,

push button

10656

–

+–

Rackmount

holes

Holes to connect

rackmount brackets

(if rackmounting

is desired)

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Chapter 5 PIX 520

Installing the PIX 520

If you are not installing a four-port Ethernet circuit board, add the cables as shown in Figure 5-7.

Figure 5-7 Up to Four Single-Port Interfaces in the PIX Security Appliance

Installing Interface Cables to the PIX 520

To install interface cables to the PIX 520, perform the following steps:

Step 1 Locate the serial cable. The serial cable assembly consists of a null modem cable with RJ-45 connectors,

two separate DB-9 connectors, and a separate DB-25 connector as shown in Figure 5-8.

Step 2 Install the serial cable between the PIX security appliance and your console computer.

Figure 5-8 PIX Security Appliance Serial Cable Assembly

Step 3 Connect one of the DB-9 serial connectors to the console connector on the front panel of the PIX security

appliance.

Step 4 Connect one end of the RJ-45 null modem cable to the DB-9 connector.

Step 5 If you are installing an AC voltage PIX security appliance, connect the power cord to the power

connector on the rear panel of the PIX security appliance, and to a power outlet.

44305

Interface 1

Interface 3

Interface 2

Interface 0

DB-9-to-DB-25

serial cable

(null-modem)

Computer serial port

DB-25 or DB-9

Console

port (DB-9)

PIX security appliance

console connector

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Chapter 5 PIX 520

PIX 520 Feature Licenses

If you are installing a DC voltage PIX security appliance, refer to the “Installing the PIX 520 DC Model”

section on page 5-21.

Step 6 The following options are available:

a. If you have a second PIX security appliance to use as a failover unit, install the failover feature and

cable as described in the “Installing Failover” section on page 5-7.

Note Do not power on the failover units until the primary unit is configured.

•If needed, install the PIX security appliance syslog server as described in the logging command page

in the command reference online at:

http://cisco.com/en/US/products/sw/secursw/ps2120/prod_command_reference_list.html

b. If you need to install an optional circuit board such as a single-port Ethernet board, or the four-port

Ethernet board, refer to the “Installing a Circuit Board in the PIX 520” section on page 5-15 for

more information.

c. If you need to install additional memory, refer to the “Installing a Memory Upgrade” section on

page 5-12.

If you are ready to start configuring the PIX security appliance, power on the unit. Refer to the

configuration guide online at:

http://www.cisco.com/en/US/docs/security/pix/pix63/configuration/guide/config.html

Always check the release notes first before configuring the PIX security appliance for the latest release

details. You can find the latest versions of release notes online at:

http://preview.cisco.com/en/US/products/sw/secursw/ps2120/prod_release_notes_list.html

PIX 520 Feature Licenses

If you have a PIX 520-UR unrestricted feature license, the following options are available:

•If you have a second PIX 520 to use as a failover unit, install the failover feature and cable as

described in the “Installing Failover” section on page 5-7.

•If needed, install the PIX security appliance syslog server as described in the logging command in

the command reference online at:

http://cisco.com/en/US/products/sw/secursw/ps2120/prod_command_reference_list.html

•Refer to the “Installing LAN-Based Failover” section on page 5-8 for information about how to

remove and replace the chassis cover if you need to install optional circuit boards.

Note It is very important to remove the chassis cover before installing circuit boards in the PIX 520. Even

though it appears possible to add or remove circuit boards from the back panel, removing the chassis

cover greatly simplifies the process.

•If you need to install additional memory, refer to the “Installing a Memory Upgrade” section on

page 5-12.

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Chapter 5 PIX 520

Installing Failover

To install a failover connection, perform the following steps:

Note This section only applies to PIX security appliance units with a “UR” (unrestricted) license.

Step 1 Power off both the primary and secondary units.

Note Both PIX security appliances must be the same model number, have at least as much RAM, have

the same Flash memory size, and be running the same software version.

Step 2 Locate the Failover cable (shown in Figure 5-9). This cable is shipped separately from the PIX security

appliance. The cable is labeled Primary on one end and Secondary on the other. Install the cable for the

PIX 520 as shown in Figure 5-9.

Figure 5-9 PIX 520 Failover Cable Connection

Step 3 Connect the Primary end of the Failover cable to the first PIX security appliance unit, that is, the one

you have already configured.

Step 4 Connect the Secondary end of the Failover cable to the standby unit.

Step 5 Connect a power cord to the power connector on the rear panel of each unit, and the other end of each

power cord to (preferably separate) power outlets.

Step 6 If you are using Stateful Failover, use one of the following types of connections, that is appropriate for

your system, between the dedicated interfaces on the PIX security appliance units:

•100BaseTX half-duplex hub using straight Category 5 cables.

•100BaseTX full duplex on a dedicated switch or dedicated VLAN of a switch.

•All enabled interfaces must be connected between the active and standby units. Only configure the

active unit. On the PIX 520, you can access the console and determine which unit is active with the

show failover command in the command reference online at:

http://cisco.com/en/US/products/sw/secursw/ps2120/prod_command_reference_list.html.

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Primary end

Secondary end

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Chapter 5 PIX 520

Installing LAN-Based Failover

Caution Do not turn the power on until the units are connected and the primary unit is configured completely.

Step 7 Use the power switch at the back of the units to power the primary unit on and then power on the standby

unit.

Within a few seconds, the active unit automatically downloads its configuration to the standby unit.

If the primary unit fails, the secondary unit automatically becomes active.

Installing LAN-Based Failover

LAN-based failover supports failover between two units connected over a dedicated Ethernet interface.

LAN-based failover eliminates the need for a special Failover cable and overcomes the distance

limitations imposed by the Failover cable.

For information on configuring a LAN-based failover, refer to the configuration guide online at:

http://www.cisco.com/en/US/docs/security/pix/pix63/configuration/guide/config.html

Note Both chassis must be the same model number, have the same amount of RAM, Flash memory, number

and type of interfaces, and be running the same software version.

To set up a LAN-based failover connection, perform the following steps:

Step 1 Disconnect both the PIX security appliances, so that there is no traffic flow between them. If the Failover

cable is connected to the PIX security appliance, disconnect it.

Step 2 Configure the PIX security appliances for LAN-based failover. Refer to the chapter on configuring

LAN-based failover in the configuration guide online at:

http://www.cisco.com/en/US/docs/security/pix/pix63/configuration/guide/config.html

Step 3 Power off both units.

Step 4 Connect the LAN failover interfaces to the dedicated switch/hub, as shown in Figure 5-10.

Note A dedicated LAN interface and a dedicated switch (or VLAN) is required to implement

LAN-based failover. You cannot use a crossover Ethernet cable to connect the two PIX security

appliances.

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Chapter 5 PIX 520

Installing LAN-Based Failover

Figure 5-10 LAN- Based Failover Connections

Step 5 If you are using Stateful Failover, use one of the following types of connections, that is appropriate for

your system, between the dedicated interfaces on the PIX security appliances:

•100BaseTX full duplex on a dedicated switch or dedicated VLAN of a switch.

•1000BaseSX full duplex on a dedicated switch or dedicated VLAN of a switch.

Note For Stateful Failover on the PIX 520, if you have Gigabit Ethernet (GE) interfaces,

then the failover link must be GE.

Caution Do not turn the power on until the units are connected and the primary unit is configured completely.

Step 6 Power the primary unit on first, then power on the secondary unit. Within a few seconds, the active unit

automatically downloads its configuration to the standby unit.

If the primary unit fails, the secondary unit automatically becomes active.

PIX Firewall

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PIX Firewall

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87366

Dedicated Ethernet

interface

Hub/switch

Dedicated Ethernet

interface

PIX 520 PIX 520

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Chapter 5 PIX 520

Removing and Replacing the PIX 520 Chassis Cover

This section describes how to remove and replace the chassis cover from the PIX 520. This section

includes the following topics:

•Removing the Chassis Cover, page 5-10

•Replacing the Chassis Cover, page 5-11

Removing the Chassis Cover

To remove the chassis cover, perform the following steps:

Note Removing the PIX security appliance case does not affect your Cisco warranty. Upgrading the

PIX security appliance does not require any special tools and does not create any radio frequency leaks.

Step 1 Read the Regulatory Compliance and Safety Information document.

Step 2 Ensure that the PIX security appliance is powered off. Unplug the power cord from the power outlet.

Once the upgrade is complete, you can safely reconnect the power cord.

Warning

Before working on a system that has an On/Off switch, turn OFF the power and unplug the power cord.

Step 3 Remove the three screws holding the chassis cover in place, as shown in Figure 5-11.

Figure 5-11 Removing the Chassis Cover Screws

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Top panel screws (3)

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