Cisco AIR-WLC2106-K9 - Wireless LAN Controller... Manuale utente

Quick Start Guide

Cisco 2100 Series Wireless LAN Controller

INCLUDING LICENSE AND WARRANTY

1About this Guide

2Unpacking and Preparing the Controller for Operation

3Connecting the Network

4Obtaining Documentation and Service Request

5Translated Warnings

1 About this Guide

This guide is designed to help you install and minimally configure your Cisco

2100 Series Wireless LAN Controller.

FCC Safety Compliance Statement

This equipment has been tested and found to comply with the limits for a Class B digital device,

pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection

against harmful interference in a residential installation. This equipment generates, uses, and can

radiate radio frequency energy and, if not installed and used in accordance with the instructions, may

cause harmful interference to radio communications. However, there is no guarantee that interference

will not occur in a particular installation. If this equipment does cause harmful interference to radio

or television reception, which can be determined by turning the equipment off and on.

Try to correct the interference by one or more of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and receiver.

•Connect the equipment to an outlet on a circuit different from that to which the receiver is

connected.

•Consult the dealer or an experienced radio/TV technician for help. (cfr reference 15.105)

Safety Information

Safety warnings appear throughout this guide in procedures that may harm you if performed

incorrectly. A warning symbol precedes each warning statement. The warnings below are general

warnings that are applicable to the entire guide. Translated versions of the safety warnings in this guide

are provided in the “Translated Warnings” section on page 21.

Warning

This warning symbol means danger. You are in a situation that could cause bodily injury.

Before you work on any equipment, be aware of the hazards involved with electrical

circuitry and be familiar with standard practices for preventing accidents. Use the

statement number provided at the end of each warning to locate its translation in the

translated safety warnings that accompanied this device.

Statement 1071

SAVE THESE INSTRUCTIONS

Warning

There is the danger of explosion if the battery is replaced incorrectly. Replace the battery

only with the same or equivalent type recommended by the manufacturer. Dispose of

used batteries according to the manufacturer’s instructions.

Statement 1015

Warning

This equipment must be grounded. Never defeat the ground conductor or operate the

equipment in the absence of a suitably installed ground conductor. Contact the

appropriate electrical inspection authority or an electrician if you are uncertain that

suitable grounding is available.

Statement 1024

Warning

Ultimate disposal of this product should be handled according to all national laws and

regulations.

Statement 1040

Safety Considerations

•Verify that the ambient temperature remains between 32 to 104° F (0 to 40° C), taking into

account the elevated temperatures when installed in a rack or enclosed space.

•When multiple Cisco 2100 series controllers are mounted in an equipment rack, be sure that the

power source is sufficiently rated to safely run all the equipment in the rack (input: 100–240VAC,

50/60 Hz, output: 48VDC, 2.08A per controller).

•Verify the integrity of the electrical ground before installing the controller.

Introduction to the Controller

The Cisco 2100 Series Wireless LAN Controller works in conjunction with Cisco lightweight access

points and the Cisco Wireless Control System (WCS) to provide system-wide wireless LAN functions.

As a component of the Cisco Unified Wireless Network, the Cisco 2100 Series Wireless LAN

Controller presents network administrators with the visibility and control necessary to effectively and

securely manage business-class WLANs and mobility services such as voice, guest access, and location

services.

Cisco 2100 series controllers have eight 10/100 copper Ethernet distribution system ports through

which the controller can support up to 6, 12, or 25 access points (2106, 2112, or 2125 models).

In order to best use this guide, you should have already designed the wireless topology of your network

and have a working knowledge of how controllers function in a wireless LAN network.

Figure 1 shows a typical Cisco 2100 Series Wireless LAN Controller network topology and network

connections, showing the medium dependent interface (MDI) Ethernet cables required. The controller

has an auto MDI feature, so you can use straight-through or crossover cables.

Figure 1 Typical Cisco 2100 Series Wireless LAN Controller Topology and Network Connections

135755

10/100BASE-T

MDI cables

10/100BASE-T

MDI cable

Network

Distribution

system

connection

Access

point

connections

WAN or LAN

connection to

main office

Cisco Access Points

Null modem serial

cable (DB-9 -> RJ-45)

to console connection LAN link for

management software

connections

Console emulator

for initial boot-up Cisco WCS software,

web user interface

Figure 2 shows the front panel and describes the LEDs for the 2100 series controller.

Figure 2 Front Panel and LEDs

Component/LED State and Description

1USB port Not used, reserved for future use.

2Speed indicators (ports 1–8) Off—Network traffic flowing at 10 Mbps.

Green—Network traffic flowing at 100 Mbps.

3Link activity indicators (ports 1–8) Green—Physical link established.

Flashing green—Network activity.

4Power LED Green—Controller powered on.

Off—Controller is powered off.

5Status LED Flashing green—Power-up diagnostics/booting.

Green—Controller is operational.

Amber—Problem encountered during boot.

6Alarm LED Green—Not used.

Amber—An outstanding alarm exists.

7AP LED Green—At least one access point has joined.

Off—No access points joined.

170956

Cisco 2100

SERIES

Wireless LAN Controller

LINK/ACT

100 MBPS

2 3 4 5 6 7 8

Power Status Alarm AP

1 2 3 4 5 6 7

Figure 3 shows the back panel and identifies its components.

Figure 3 Back Panel and Components

Caution Do not connect a Power over Ethernet (PoE) cable to the console port. Doing so will

damage the controller.

Note Wait at least 20 seconds before reconnecting an access point to the controller. Otherwise, the

controller may fail to detect the device.

Note Direct connection is not supported; therefore ports 7 and 8 must not be used.

1Power plug 5Reset button

2Power over Ethernet enabled ports (7 & 8) 6Cable lock slot

3Distribution ports (1–6) 7Console port

4USB ports (reserved for future use) 8Security service card (SSC) slot (reserved for

future use)

78 6

43221 5

2 Unpacking and Preparing the Controller for Operation

Follow these steps to unpack the controller and prepare it for operation:

Step 1 Open the shipping container and carefully remove the contents.

Step 2 Return all packing materials to the shipping container and save it.

Step 3 Ensure that all items listed in the “Package Contents” section are included in the shipment.

Check each item for damage. If any item is damaged or missing, notify your authorized Cisco

sales representative.

Package Contents

Each 2100 series controller package contains the following items:

•One Cisco 2100 series wireless LAN controller

•One Power supply and power cord

•One Ethernet cable (RJ45 to RJ45)

•One Console cable (RJ45 to DB9)

•This guide

•Cisco product registration card

Note The controller ships with controller software loaded. When upgrading software, do not

upgrade to any release earlier than release 4.0.197.0

Required Tools and Information

You will need the following tools and information before you can install the controller:

•Wireless LAN controller hardware

–

Controller with factory-supplied power cord and mounting hardware

–

Network, operating system service network, and access point cables as required

•Command-line interface (CLI) console

–

VT-100 terminal emulator on CLI console (PC, laptop, or palmtop)

–

Null modem serial cable to connect CLI console and controller

•Local TFTP server (required for downloading operating system software updates). Cisco uses an

integral TFTP server. This means that third-party TFTP servers cannot run on the same

workstation as the Cisco WCS because Cisco WCS and third-party TFTP servers use the same

communication port.

Initial System Configuration Information

Obtain the following initial configuration parameters from your wireless LAN or network

administrator:

•A system (controller name), such as controller. The system name can contain up to 32 printable

ASCII characters.

•An administrative username and password, which can contain up to 24 printable ASCII

characters. If you do not specify a username and password, the defaults admin and admin are used.

•A management interface (DS Port or network interface port) IP address, such as 10.40.0.4.

•A management interface netmask address, such as 255.255.255.0.

•A management interface default router IP address, such as 10.40.0.5.

•A VLAN identifier if the management interface is assigned to a VLAN, such as 40 or 0for an

untagged VLAN.

•A management interface port, such as 1.

•A management interface DHCP server IP address, such as 10.40.0.6 (the IP address of the default

DHCP server that will supply IP addresses to clients and the management interface.

•An access point manager interface IP address, such as 10.40.0.7.

•A virtual gateway IP address (a fictitious, unassigned IP address, such as 1.1.1.1, used by all Cisco

wireless LAN controller Layer 3 security and mobility managers).

•A Cisco wireless LAN controller mobility or RF group name, such as rfgrp40 if required. An RF

group name can contain up to 19 printable ASCII characters.

•An 802.11 network name (SSID), such as wlan1. An SSID can contain up to 32 printable,

case-sensitive ASCII characters.

•Whether or not to allow static IP addresses from clients, either Yes or No.

–

Yes is more convenient, but has lower security (session can be hijacked).

–

No is less convenient, but has higher security and works well for Windows XP devices.

•RADIUS server IP address, communications port, and secret if you are configuring a RADIUS

server, such as 10.40.0.3, 1812, and mysecretcode.

•The country code for this installation. Enter help to see a list or refer to the Cisco Wireless LAN

Controller Configuration Guide for country code information. This guide is available at

cisco.com.

•Status of the 802.11a, 802.11b, and 802.11g networks, either enabled or disabled.

•Status of radio resource management (RRM), either enabled or disabled.

Choosing a Physical Location

You can install the controller almost anywhere, but it is more secure and reliable if you install it in a

secure equipment room or wiring closet. For maximum reliability, mount the controller while

following these guidelines:

•Make sure you can reach the controller and all cables attached to it.

•Make sure that water or excessive moisture cannot get into the controller.

•Make sure that airflow through the controller is not obstructed. Leave at least 4 in. (10 cm) clear

on both sides of the controller.

•Verify that the ambient temperature remains between 32 to 104° F (0 to 40° C).

•Make sure that the controller is within 328 ft. (100 m) of equipment connected to the

10/100BASE-T ports.

•Make sure that the power cord can reach a 100 to 240 VAC grounded electrical outlet.

Connecting the Controller’s Console Port

Caution Do not connect a Power over Ethernet (PoE) cable to the console port. Doing so will

damage the controller.

Before you can configure the controller for basic operations, you need to connect it to a PC that uses

a VT-100 terminal emulator (such as HyperTerminal, ProComm, Minicom, or Tip). Follow these steps

to connect the PC to the controller’s console port:

Step 1 Plug the RJ-45 connector on a null-modem serial cable into the controller’s console port and

the other end of the cable into the PC’s serial port.

Step 2 Start the PC’s terminal emulation program.

Step 3 Configure the terminal emulation program for the following parameters:

•9600 baud

•8 data bits

•No flow control

•1 stop bit

•No parity

Running the Bootup Script and Power-On Self Test

When you plug the controller into an AC power source, the bootup script initializes the system, verifies

the hardware configuration, loads its microcode into memory, verifies its operating system software

load, and initializes itself with its stored configurations. Before performing this test, you should have

connected your PC to the controller’s CLI console as described in the “Connecting the Controller’s

Console Port” section on page 9. Follow these steps to run the bootup script and conduct the power-on

self test (POST).

Step 1 Plug the external power supply into the Power jack on the back of the controller.

Step 2 Plug a country-specific power cord into the external power supply, then plug the other end

into a grounded 100–240 VAC, 50/60 Hz electrical outlet.

Note If you wish to run a previous release of the controller code, press Esc when the boot

loader prompt appears. The Bootloader Options menu appears.

Note When the controller receives power, the green front panel Power LED lights. If the

Power LED does not light, make sure that the electrical outlet is supplying power and

that the power connections to the controller are correct.

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