Cisco 3750G - Catalyst Integrated Wireless LAN... Bedienungsanleitung

Getting Started

Guide

Catalyst 3750G Integrated Wireless LAN Controller Switch

Getting Started Guide

INCLUDING LICENSE AND WARRANTY

1About this Guide

2Taking Out What You Need

3Running Express Setup

4Managing the Switch

5Preparing the Wireless LAN Controller for Operation

6Planning Switch Stacks

7Rack-Mounting

8In Case of Difficulty

9Obtaining Documentation

10 Documentation Feedback

11 Cisco Product Security Overview

12 Obtaining Technical Assistance

13 Obtaining Additional Publications and Information

14 Cisco Limited Lifetime Hardware Warranty Terms

1 About this Guide

This guide provides instructions on how to use Express Setup to initially configure your

Catalyst 3750G Integrated Wireless LAN Controller switch. It also covers switch management

options, the configuration procedures for the controller, basic rack-mounting procedures, stacking,

port and module connections, power connection procedures, and any troubleshooting help.

The Catalyst 3750G Integrated Wireless LAN Controller switch has an integrated Cisco wireless LAN

controller that can support Cisco Lightweight Access Points. The switch also has two internal Gigabit

Ethernet ports (ports 27 and 28) that connect the switch and the controller. The integrated wireless

LAN controller centralizes and simplifies network management of a wireless LAN. It collapses large

numbers of managed lightweight access points and client devices into a single unified system.

For additional installation and configuration information for wireless LAN controller switches, see the

Catalyst 3750 documentation on Cisco.com. For more information on the controller, see the Cisco

Wireless LAN Controller Configuration Guide, Release 4.0 or later on Cisco.com. For system

requirements, important notes, limitations, open and resolved caveats, and last-minute documentation

updates, see the release notes, also on Cisco.com.

When using the online publications, refer to the documents that match the Cisco IOS software version

running on the switch. The software version is on the Cisco IOS label on the switch rear panel.

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

Safety Information for the Catalyst 3750 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 on page 3. If any item is missing or damaged,

contact your Cisco representative or reseller for instructions.

Note If you do not specify the length of the StackWise cable, the 0.5-meter cable is supplied.

Shipping Box Contents

Catalyst 3750G

SERIES

PoE-24

Wireless LANController

SYST

RPS

MASTR

STAT

DUPLX

SPEED

STACK

PoE

11X

12X

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13X

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Regulatory Compliance

and Safety Information

for the

Catalyst 3750 Switch

Catalyst 3750G

Integrated Wireless

LAN Controller Switch

Getting Started Guide

Cisco

Product Ownership

Registration card

Catalyst 3750G

Integrated Wireless LAN

Controller switch

Console cable

Two 19-inch

mounting brackets

Four number-12 Phillips machine screws

Four number-8 Phillips truss-head screws

Six number-8 Phillips flat-head screws

Four rubber mounting feet

AC power cord

Connector cover for redundant

power system (RPS)

Two number-4 pan-head screws

Cable guide

One black Phillips machine screw

Documentation

0.5-meter, 1-meter or 3-meter

StackWise cable

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)

3 Running Express Setup

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

Doing 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 Verify that no devices are connected to the switch. During Express Setup, the switch acts

as a DHCP server. If your PC has a static IP address, before you begin, change your PC

settings to temporarily use DHCP.

Step 2 Connect the AC power cord to the switch and to a grounded AC outlet. The power-on

self-test (POST) begins. During POST, the LEDs blink while a series of tests verify that the

switch functions properly.

Step 3 Wait for the switch to complete POST. It might take several minutes for the switch to

complete POST.

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. Call Cisco Systems immediately if your switch fails POST.

Step 5 Press and hold the Mode button for

3 seconds. When all of the LEDs

above the Mode button turn green,

release the Mode button.

If the LEDs above 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 35.

Step 6 Verify that the switch is in Express Setup mode by confirming that all LEDs above the

Mode button are green. (On some switch models, the RPS LED remains off.)

Step 7 Connect a straight-through

Category 5 Ethernet cable (not

provided) to any 10/100/1000

Ethernet port on the switch front

panel and to the Ethernet port on the

PC.

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

Step 9 Wait 30 seconds.

Step 10 Launch a web browser on your PC.

Enter the IP address 10.0.0.1 in the

web browser, and press Enter.

SYST

RPS

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STAT

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Catalyst3750G

SERIES

PoE-24

WirelessLANController

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DHCP-enabled PC

Step 11 The Express Setup page appears. If it does not appear, see the “In Case of Difficulty”

section on page 34 for help.

Step 12 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 and to which you assign IP information. The VLAN ID range is 1 to 1001.

•In the IP Address field, enter the IP address of the switch. 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 13 In the Wireless Controller Settings area (see the Figure in Step 11), the stack number

displays the stack-member number of the switch.

Enter this information:

•In the Management Interface (VLAN ID) field, the default is 0. Enter a new VLAN ID

only if you want to change the management interface through which you manage the

controller and to which you assign IP information. If you entered a VLAN ID other

than 1in Step 12, then enter the same VLAN ID for the controller. The VLAN ID

range is 0 to 1001.

•In the IP Address field, enter the IP address of the controller.

•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).

Note If you are connecting more than one wireless controller switch, multiple rows

appear in the wireless controller settings area.

Step 14 (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 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,

re-enter the Telnet password.

•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 you cannot modify it. When you set the SNMP write

community, you can both access and modify SNMP information.

•In the System Contact field, enter the name of the person who is responsible for the

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

the switch is located.

Step 15 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 then 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 16 Disconnect the switch from the PC, and install the switch in your network. See the

“Managing the Switch” section on page 9 for information about configuring and

managing the switch.

If you need to rerun Express Setup, see the “Resetting the Switch” section on page 35.

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 you complete Express Setup and install the switch in your network, use the device manager or

other management options described in this section for further configuration.

Using the Device Manager

The simplest way to manage the switch is by using the device manager that is in the switch memory.

This is an easy-to-use 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. Launch 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 more advanced configuration, download and run the Cisco Network Assistant, which is

described in the next section.

Downloading Cisco Network Assistant

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

your PC. It 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 standard 9-pin serial port on the PC.

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

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

3. Configure the PC terminal emulation software for:

–

9600 baud

–

8 data bits

–

No parity

–

1 stop bit

–

No flow control

4. 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 Small Network Management

Solution (SNMS) 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 IE2100 Series Configuration Registrar is a network management device that works with

embedded Cisco Networking Services (CNS) agents in the switch software. You can use IE2100 to

automate initial configurations and configuration updates on the switch.

See the “Accessing Help Online” section on page 36 for a list of supporting documentation.

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