Cisco 2960 8TC - Catalyst Switch Manuale utente

GETTING STARTED GUIDE

Catalyst 2960 Switch Getting Started Guide

(8-Port Switches)

INCLUDING LICENSE AND WARRANTY

1About This Guide

2Taking Out What You Need

3Running Express Setup

4Managing the Switch

5Installing the Switch

6Connecting to the Switch Ports

7In Case of Difficulty

8Obtaining Documentation and Submitting a Service Request

9Cisco Limited Lifetime Hardware Terms

1 About This Guide

This document describes information specific to the Catalyst 2960-8TC, Catalyst 2960G-8TC, and

Catalyst 2960PD-8TT-L switches. For information applicable to the other Catalyst 2960 switches, see

the Catalyst 2960 Switch Hardware Installation Guide on Cisco.com.

This guide provides instructions on how to use Express Setup to configure your Catalyst switch. Also

covered are switch management options, basic installation procedures, port and module connections,

power connection procedures, and troubleshooting help.

For additional installation and configuration information for Catalyst 2960 switches, see the Catalyst

2960 documentation on Cisco.com. For system requirements, important notes, limitations, open and

resolved bugs, and last-minute documentation updates, see the release notes, also on Cisco.com.

When you use the online publications, refer to the documents that match the Cisco IOS software

version running on the switch. You can use the show version command to display software version

information.

For translations of the warnings that appear in this publication, see the Regulatory Compliance and

Safety Information for the Catalyst 2960 Switch that accompanies this guide.

2 Taking Out What You Need

Follow these steps:

1. Unpack and remove the switch and the accessory kit from the shipping box.

2. Return the packing material to the shipping container, and save it for future use.

3. Verify that you have received the items shown in the “Shipping Box Contents” section. If any item

is missing or damaged, contact your Cisco representative or reseller for instructions. Some switch

models might include additional items that are not shown. Your switch might be a different model

from the one that is shown in this illustration

Equipment That You Supply to Run Express Setup

You need to supply this equipment to run Express Setup:

•PC

•Ethernet (Category 5) straight-through cable (as shown)

Shipping Box Contents

1Catalyst 2960 switch 5Four rubber mounting feet

2Mounting magnet 6Documentation

3Screw template 7AC power cord (AC-powered switches only)

4Three number-8 Phillips pan-head

screws

8Console cable

Regulatory Compliance

and Safety Information

for the

Catalyst 2960 Switch

Documentation

202600

Catalyst 2960

eries

CONSOLE 1x

SPD

DPLX

STAT

SYST

MODE

2x 3x 4x 5x 6x 7x 8x

3 Running Express Setup

When you first set up the switch, you should use Express Setup to enter the initial IP information. This

enables the switch to connect to local routers and the Internet. You can then access the switch through

the IP address for further configuration.

To run Express Setup:

Step 1 Make sure that nothing is connected to the switch.

During Express Setup, the switch acts as a DHCP server. If your PC has a static IP address,

change your PC settings before you begin to temporarily use DHCP.

Step 2 Power the switch as follows:

•Catalyst 2960-8TC and 2960G-8TC switches: Connect the AC power cord to the switch

power connector and to a grounded AC outlet.

•Catalyst 2960PD-8TT-L switches: Use the power adapter, or connect to a 10/100 or

10/100/1000 port from a Power-over-Ethernet (PoE) switch, such as a Catalyst 3560 PoE

switch.

Step 3 When the switch powers on, it begins the power-on self-test (POST). During POST, the LEDs

blink while tests verify that the switch functions properly.

Wait for the switch to complete POST, which can take several minutes.

Step 4 Verify that POST has completed by confirming that the SYST LED remains green. If the switch

fails POST, the SYST LED turns amber.

POST errors are usually fatal. Contact your Cisco technical support representative if your

switch fails POST.

Step 5 Press and hold the Mode button for

3 seconds. When all of the LEDs left

of the Mode button turn green,

release the Mode button.

If the LEDs left of the Mode button

begin to blink after you press the

button, release it. Blinking LEDs

mean that the switch has already

been configured and cannot go into

Express Setup mode. For more

information, see the “Resetting the

Switch” section on page 18.

Step 6 Verify that the switch is in Express Setup mode by confirming that all LEDs left of the Mode

button are green.

CONSOLE 1x

SPD

DPLX

STAT

SYST

MODE

Mode button

210108

Step 7 Connect a Category 5 Ethernet cable

to any 10/100 or 10/100/1000

Ethernet port on the switch front

panel.

Connect the other end of the cable to

the Ethernet port on your PC.

Step 8 Verify that the LEDs on both Ethernet ports are green. Wait 30 seconds.

Step 9 Start a web browser on your PC.

Enter the IP address 10.0.0.1 in the

web browser, and press Enter.

The Express Setup page appears. If it does not appear, see the “In Case of Difficulty” section

on page 16 for help. Your entries should be in English.

DHCP-enabled PC

210109

2x 3x 4x 5x 6x 7x 8x

Catalyst 2960

eries

CONSOLE 1x

SPD

DPLX

STAT

SYST

MODE

Step 10 Enter this information in the Network Settings fields:

•In the Management Interface (VLAN ID) field, the default is 1. Enter a new VLAN ID only

if you want to change the management interface through which you manage the switch.

The VLAN ID range is 1 to 1001.

•In the IP Address field, enter the IP address of the switch. The IP address is also assigned

to the management VLAN. In the IP Subnet Mask field, click the drop-down arrow, and

select an IP Subnet Mask.

•In the Default Gateway field, enter the IP address for the default gateway (router).

•Enter your password in the Switch Password field. The password can be from 1 to 25

alphanumeric characters, can start with a number, is case sensitive, allows embedded

spaces, but does not allow spaces at the beginning or end. In the Confirm Switch Password

field, enter your password again.

Step 11 (Optional) You can enter the Optional Settings information now or enter it later by using the

device manager interface:

•In the Host Name field, enter a name for the switch. The host name is limited to 31

characters. Embedded spaces are not allowed.

•In the System Contact field, enter the name of the person responsible for the switch. In

the System Location field, enter the wiring closet, floor, or building where the switch is

located.

•In the Telnet Access field, click Enable if you are going to use Telnet to manage the switch

by using the command-line interface (CLI). If you enable Telnet access, you must enter a

Telnet password.

•In the Telnet Password field, enter a password. The Telnet password can be from 1 to 25

alphanumeric characters, is case sensitive, allows embedded spaces, but does not allow

spaces at the beginning or end. In the Confirm Telnet Password field, enter the Telnet

password again.

•In the SNMP field, click Enable to enable Simple Network Management Protocol

(SNMP). Enable SNMP only if you plan to manage switches by using CiscoWorks 2000

or another SNMP-based network-management system.

If you enable SNMP, you must enter a community string in the SNMP Read Community

field, the SNMP Write Community field, or both. SNMP community strings authenticate

access to MIB objects. Embedded spaces are not allowed in SNMP community strings.

When you set the SNMP read community, you can access SNMP information, but cannot

modify it. When you set the SNMP write community, you can access and modify SNMP

information.

Refreshing the PC IP Address

After you complete Express Setup, you should refresh the PC IP address.

For a dynamically assigned IP address, disconnect the PC from the switch, and reconnect it to the

network. The network DHCP server assigns a new IP address to the PC.

For a statically assigned IP address, change it to the previously configured IP address.

4 Managing the Switch

After completing Express Setup and installing the switch in your network, use the device manager,

Cisco Network Assistant, or another of the management options described in this section for further

configuration.

Using the Device Manager

You can manage the switch by using the device manager that is in the switch memory. This is a web

interface that offers quick configuration and monitoring. You can access the device manager from

anywhere in your network through a web browser.

Follow these steps:

1. Start a web browser on your PC or workstation.

2. Enter the switch IP address in the web browser, and press Enter. The device manager page appears.

3. Use the device manager to perform basic switch configuration and monitoring. Refer to the device

manager online help for more information.

4. For a more advanced configuration, install Cisco Network Assistant as described in the next

section.

Step 12 Click Submit to save your settings, or click Cancel to clear your settings.

When you click Submit, the switch is configured and exits Express Setup mode. The PC

displays a warning message and tries to connect with the new switch IP address. If you

configured the switch with an IP address that is in a different subnet from the PC, connectivity

between the PC and the switch is lost.

Step 13 Disconnect the switch from the PC, and install the switch in your network. See the “Managing

the Switch” section on page 7 for information about configuring and managing the switch.

If you need to rerun Express Setup, see the “Resetting the Switch” section on page 18.

Downloading Cisco Network Assistant

Cisco Network Assistant is a free software program that you download from Cisco.com and run on

your PC. Network Assistant offers advanced options for configuring and monitoring multiple devices,

including switches, switch clusters, switch stacks, routers, and access points. Network Assistant is

free—there is no charge to download, install, or use it.

Follow these steps:

1. Go to this Web address: http://www.cisco.com/go/NetworkAssistant

You must be a registered Cisco.com user, but you need no other access privileges.

2. Find the Network Assistant installer.

3. Download the Network Assistant installer, and run it. (You can run it directly from the Web if

your browser offers this choice.)

4. When you run the installer, follow the displayed instructions. In the final panel, click Finish to

complete the Network Assistant installation.

Refer to the Network Assistant online help and the getting started guide for more information.

Command-Line Interface

You can enter Cisco IOS commands and parameters through the CLI. Access the CLI either by

connecting your PC directly to the switch console port or through a Telnet session from a remote PC

or workstation.

Follow these steps:

1. Connect the supplied RJ-45-to DB-9 adapter cable to the 9-pin serial port on the PC. Connect the

other end of the cable to the console port on the switch.

a. Start a terminal-emulation program on the PC.

a. Configure the PC terminal emulation software for 9600 baud, 8 data bits, no parity, 1 stop

bit, and no flow control.

a. Use the CLI to enter commands to configure the switch. See the software configuration guide

and the command reference for more information.

Other Management Options

You can use SNMP management applications such as CiscoWorks LAN Management Solution (LMS)

and HP OpenView to configure and manage the switch. You also can manage it from an

SNMP-compatible workstation that is running platforms such as HP OpenView or SunNet Manager.

The Cisco Configuration Engine is a network management device that works with embedded CNS

agents in the switch software. You can use Cisco Configuration Engine to automate initial

configurations and configuration updates on the switch.

See the “Accessing Help Online” section on page 18 for a list of supporting documentation.

5 Installing the Switch

This section describes installation information specific to the Catalyst 2960-8TC, Catalyst

2960G-8TC, and Catalyst 2960PD-8TT-L switches. For information applicable to the other

Catalyst 2960 switches, see the Catalyst 2960 Switch Hardware Installation Guide on Cisco.com,

which includes installation instructions for all Catalyst 2960 switch models.

This section covers desk-, shelf-, and magnet-mounting. As an example, all the illustrations show the

Catalyst 2960-8TC switch. For alternate mounting procedures, such as installing the switch in a rack

or on a wall, see the Catalyst 2960 Switch Hardware Installation Guide on Cisco.com.

Equipment That You Supply

You need this equipment to install the switch:

•Number-2 Phillips screwdriver

•Drill with a #27 drill bit (0.144-inch [3.7 mm])

Before You Begin

When you determine where to install the switch, verify that these guidelines are met:

•Airflow around the switch and through the

vents is unrestricted.

Note We strongly recommend that you allow

at least 3 inches (7.6 cm) of clearance

around the ventilation openings.

•Temperature around the switch does not

exceed 113°F (45°C).

•Humidity around the switch does not exceed

85 percent.

•Altitude at the installation site is not greater

than 10,000 feet (3,049 meters).

•Do not place any items on the top of the

switch.

•The bottom of the switch might be hot to the

touch if the switch is operating at its

maximum temperature 113°F (45°C) and is in

an environment that exceeds normal room

temperature (such as in a closet, in a cabinet,

or in a closed or multirack assembly).

•Allow at least 1.75 inches (4 cm) of clearance

above each switch in the rack.

•When placing the switch on a flat horizontal

surface without the magnet, we strongly

recommend that you attach the rubber feet to

the switch. Doing so helps prevent airflow

restriction and overheating.

•Do not stack switches or place switches

side-by-side, unless they are separated all

around by at least 3 inches (7.6 cm) of

clearance from each other.

•Do not wall-mount the switch with its front

panel facing up or to the side. We

recommend wall-mounting the switch with

its front panel facing down to prevent

airflow restriction and to provide easier

access to the cables.

•Clearance to the switch front and rear panels

meets these conditions:

–

Front-panel LEDs can be easily read.

–

Access to ports is sufficient for

unrestricted cabling.

–

AC power cord can reach from the AC

power outlet to the connector on the

switch rear panel.

•Cabling is away from sources of electrical

noise, such as radios, power lines, and

fluorescent lighting fixtures.

•For 10/100 and 10/100/1000 ports, the cable

length from a switch to an attached device

cannot exceed 328 feet (100 meters).

•For cable lengths for small form-factor

pluggable (SFP) modules, see the

documentation that shipped with the

module.

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