Cisco 5505 - ASA Firewall Edition Bundle Manuale utente

CHAPTER

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Installing the ASA 5505

This chapter describes how to install the Cisco ASA 5505 adaptive security

appliance. This chapter includes the following sections:

•Verifying the Package Contents, page 4-1

•PoE Ports and Devices, page 4-3

•Installing the Chassis, page 4-4

•Connecting to Network Interfaces, page 4-4

•Powering on the Cisco ASA 5505, page 4-6

•Setting Up a PC for System Administration, page 4-6

•Optional Procedures, page 4-8

•Ports and LEDs, page 4-9

•What to Do Next, page 4-13

Verifying the Package Contents

Verify the contents of the packing box to ensure that you have received all items necessary to install your

Cisco Cisco ASA 5505 adaptive security appliance, as shown in Figure 4-1.

Chapter 4 Installing the ASA 5505

Verifying the Package Contents

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Figure 4-1 Contents of Cisco ASA 5505 Package

Cisco ASA 5505

Getting Started

Guide

Regulatory

Compliance

and Safety

Information

Cisco ASA 5505

Documentation

Cable

(US shown)

Power supply adapter

Blue console cable

Yellow Ethernet cable

Cisco ASA 5505

Firewall

Product CD

Security

Services

Card Slot

CONSOLE

RESET

POWER

VDC

POWER over ETHERNET

543

210

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Chapter 4 Installing the ASA 5505

PoE Ports and Devices

On the Cisco ASA 5505, switch ports Ethernet 0/6 and Ethernet 0/7 support PoE

devices that are compliant with the IEEE 802.3af standard, such as IP phones and

wireless access points. If you install a non-PoE device or do not connect to these

switch ports, the adaptive security appliance does not supply power to the ports

and the device must be powered on its own.

These ports are the only ports that can provide power for IP phones or other PoE

devices. However, these ports are not restricted to that use. They can also be used

as Ethernet switch ports, like the Ethernet switch ports numbered 0 through 5. If

a PoE device is not attached, power is not supplied to the port.

When connecting PoE devices, use the following guidelines:

•Use straight-through cable only. Using crossover cable does not enable the

Cisco ASA 5505 to provide power to the PoE ports.

•Do not disable auto-negotiation (force speed and duplex) on E0/6 and E0/7

when using them to connect PoE devices. If auto-negotiation is disabled, the

Cisco ASA 5505 does not recognize that a PoE device is attached. In this

case, power is not provided to the port.

Note Be careful when connecting a Cisco PoE device to a non-PoE switch

port (E0/0 through E0/5). If auto-negotiation is disabled for that

switch port, a network loopback might occur with some Cisco

Powered Device (PD) models.

•The Cisco IP Phone 7970 is always in low-power mode when drawing power

from the Cisco ASA 5505.

Chapter 4 Installing the ASA 5505

Installing the Chassis

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Installing the Chassis

You can wall-mount or rack-mount the Cisco ASA 5505. The part number for

ordering a wall-mount kit for the Cisco ASA 5505 is ASA-5505-WALL-MNT= ,

the part number for ordering a rack-mount kit for the Cisco ASA 5505 is

ASA5505-RACK-MNT=. For information on wall-mounting or rack-mounting

the Cisco ASA 5505, see “Mounting the ASA 5505 Chassis” section in the

Cisco ASA 5500 Series Hardware Installation Guide.

To install the Cisco ASA 5505, perform the following steps:

Step 1 Place the chassis on a flat, stable surface.

Step 2 Connect Port 0 to the public network (that is, the Internet):

a. Use a yellow Ethernet cable to connect the device to a switch or hub.

b. Use one of the yellow Ethernet cables to connect the device to a

cable/DSL/ISDN modem.

Note By default, switch port 0 is the outside port.

Step 3 Connect your network devices with an Ethernet cable to one of the remaining

seven switched ports (numbered 1 through 7).

If you are connecting any Power over Ethernet (PoE) devices, connect them to one

of the switch ports that support PoE (ports numbered 6 and 7).

Connecting to Network Interfaces

To connect to a network interface, perform the following steps:

Step 1 Locate an RJ-45 to RJ-45 Ethernet cable.

Step 2 Connect one end of the Ethernet cable to an Ethernet port (ports 0 through 7), as

shown in Figure 4-2. (Typically Ethernet port 0 is used to connect to an Internet

router.)

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Chapter 4 Installing the ASA 5505

Connecting to Network Interfaces

Figure 4-2 Connecting to an Ethernet Interface

Step 3 Connect the other end of the Ethernet cable to a device, such as a router, desktop

computer, or printer.

Note When connecting a computer to an inside port on the rear panel of the

adaptive security appliance, use a straight through cable because ports 0

through 5 are switched ports and ports 6 and 7 are PoE ports and both

require that you connect a straight through cable.

1Ethernet switch ports 2Ethernet cable

Security

Services

Card Slot

POWER

48VDC

POWER over ETHERNET

5 4 321 0

153761

Console

RESET

Chapter 4 Installing the ASA 5505

Powering on the Cisco ASA 5505

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Powering on the Cisco ASA 5505

To power on the Cisco ASA 5505, perform the following steps:

Step 1 Connect the power supply with the power cable.

Step 2 Connect the small, rectangular connector of the power supply cable to the power

connector on the rear panel.

Step 3 Connect the AC power connector of the power supply input cable to an electrical

outlet.

Note The Cisco ASA 5505 does not have a power switch. Completing Step 3

powers on the device.

Step 4 Check the power LED; if it is solid green, then the device is powered on.

For more information, see the “Front Panel Components” section on page 4-10.

Setting Up a PC for System Administration

You can perform setup, configuration and management tasks from a PC using the

command-line interface or with the Adaptive Security Device Manager (ASDM)

application, which provides an intuitive graphical user interface (GUI).

In addition to configuration and management capability, ASDM also provides

configuration wizards for initial configuration, VPN configuration, and

high-availability configuration.

For more information about using ASDM for setup and configuration, see

Chapter 1, “Configuring the Adaptive Security Appliance.”

To set up a PC from which you can configure and manage the Cisco ASA 5505,

perform the following steps:

Step 1 Make sure that the speed of the PC interface to be connected to one of the Cisco

ASA 5505 inside ports is set to autonegotiate. This setting provides the best

performance.

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Chapter 4 Installing the ASA 5505

Setting Up a PC for System Administration

By default, the Cisco ASA 5505 automatically negotiates the inside interface speed.

If autonegotiate is not an option for the PC interface, set the speed to either 10 or

100 Mbps half duplex. Do not set the interface to full duplex; this causes a duplex

mismatch that significantly impacts the total throughput capabilities of the interface.

Step 2 Configure the PC to use DHCP (to receive an IP address automatically from the

Cisco ASA 5505), which enables the PC to communicate with the Cisco ASA

5505 and the Internet as well as to run ASDM for configuration and management

tasks.

Alternatively, you can assign a static IP address to your PC by selecting an address

in the 192.168.1.0 subnet. (Valid addresses are 192.168.1.2 through

192.168.1.254, with a mask of 255.255.255.0 and default route of 192.168.1.1.)

When you connect other devices to any of the inside ports, make sure that they do

not have the same IP address.

Note The MGMT interface of the adaptive security appliance is assigned

192.168.1.1 by default, so this address is unavailable.

Step 3 Use an Ethernet cable to connect the PC to a switched inside port on the rear panel

of the Cisco ASA 5505 (one of the ports numbered 1 through 7).

Step 4 Check the LINK LED to verify that the PC has basic connectivity to the Cisco

ASA 5505.

When connectivity is established, the LINK LED on the front panel of the Cisco

ASA 5505 lights up solid green.

You can now access the ASDM and the ASDM Startup Wizard. See Chapter 1,

“Configuring the Adaptive Security Appliance” for information about how to

perform initial setup and configuration of the Cisco ASA 5505.

Chapter 4 Installing the ASA 5505

Optional Procedures

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Optional Procedures

This section describes how to perform tasks that are not required for the initial

setup of the Cisco ASA 5505. This section includes the following topics:

•“Connecting to the Console” section on page 4-8

•“Installing a Cable Lock” section on page 4-9

Connecting to the Console

You can access the command line for administration using the console port on the

Cisco ASA 5505. To do so, you must run a serial terminal emulator on a PC or

workstation, as shown in Figure 4-3.

Figure 4-3 Connecting to the Console

To connect a console for local, command-line administrative access, perform the

following steps:

Security

Services

Card Slot

Console

RESET

POWER

VDC

POWER over ETHERNET 6

543210

153760

1Console port 2Console cable

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Chapter 4 Installing the ASA 5505

Ports and LEDs

Step 1 Plug one end (DB9) of the PC terminal adapter into a standard 9-pin PC serial port

on your PC.

Step 2 Plug the other end (RJ-45) of the blue console cable into the console port.

Step 3 Configure the PC terminal emulation software or terminal for 9600 baud, 8 data

bits, no parity, and 1 stop bit.

Installing a Cable Lock

The Cisco ASA 5505 includes a slot that accepts standard desktop cable locks to

provide physical security for small portable equipment, such as a laptop computer.

The cable lock is not included.

To install a cable lock, perform the following steps:

Step 1 Follow the directions from the manufacturer for attaching the other end of the

cable for securing the adaptive security appliance.

Step 2 Attach the cable lock to the lock slot on the back panel of the Cisco ASA 5505.

Ports and LEDs

This section describes the front and rear panels of the ASA 5505. This section

includes the following topics:

•Front Panel Components, page 4-10

•Rear Panel Components, page 4-12

Chapter 4 Installing the ASA 5505

Ports and LEDs

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Front Panel Components

The LINK/ACT indicators on the front panel of the Cisco ASA 5505 are normally

solid green when a link is established and flashing green when there is network

activity. Each Ethernet interface (numbered 0 through 7) has two LEDs: one to

indicate the operating speed and the other to indicate whether the physical link is

established.

Figure 4-4 illustrates the front panel of the Cisco ASA 5505.

Figure 4-4 ASA 5505 Front Panel

Port / LED Color State Description

1USB Port — — Reserved for future use.

2Speed Indicators Not lit — Network traffic is flowing at 10

Mbps.

Green On Network traffic is flowing at 100

Mbps.

3Link Activity

Indicators

Green Solid The physical link established.*

Green Flashing There is network activity.

4Power Green On The device is powered on.

Off — The device is powered off.

5Status Green Flashing The power-up diagnostics are

running or the system is booting.

Solid The system is operational.

Amber Solid The system has encountered a

problem.

153382

Cisco ASA 5505 series

Adaptive Security Appliance

0 0 0 0 0 0 0 0

LINK/ACT Power Status Active VPN SSC

100 MBPS

4 75 6 8

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