Cisco 2505 Manuale utente

GETTING STARTED GUIDE

Cisco 2500 Series Wireless Controller

May 2011

Revised June 2, 2011

1About This Guide

2Unpacking and Preparing the Controller for Operation

3Installing the Controller

4Running the Bootup Script and Power-On Self Test

5Logging into the Controller

6Connecting to the Network

7What’s New in Cisco Product Documentation

8Translated Safety Warnings

1 About This Guide

This guide is designed to help you install and minimally configure your Cisco 2504 Wireless Controller

(2504 controller), which is part of the Cisco 2500 Series Wireless Controllers.

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 Safety Warnings” section on page 38.

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 2504 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 to 240 VAC, 50–60 Hz,

output: 80 W per controller).

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

Introduction to the Controller

The 2504 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 (CUWN), the 2504 controller provides real-time communication between

wireless access points and other devices to deliver centralized security policies, guest access, Wireless

Intrusion Prevention System (WIPS), context-aware (location), award-winning RF management,

quality of services for mobility services such as voice and video, and OEAP support for the Teleworker

solution.

The 2504 controllers supports up to 50 lightweight access points in increments of 5 access points with

a minimum of 5 access points, making it a cost-effective solution for retail, enterprise branches, and

small and medium-sized businesses. The 2504 controller comes with four 4 Gigabit Ethernet ports.

Note Direct connection of access points to Cisco 2500 Series Wireless Controllers are not currently

supported.

The 2504 controller offers robust coverage with 802.11 a/b/g and delivers unprecedented reliability

using 802.11n with Cisco Next-Generation Wireless Solutions and Cisco Enterprise Wireless Mesh.

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 2504 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 Controller Topology and Network Connections

282297

10/100/1000BASE-T

MDI cables

10/100/1000BASE-T

MDI cable

Network

Distribution

system

connection

Access

point

connections

WAN or LAN

connection to

main office

Cisco Access Points

Null modem serial

able (DB-9 -> RJ-45)

o 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 location of the ports and light-emitting diodes (LEDs) for the 2504

controller. Table 1 describes the components of the front panel.

Note It is expected that there will be small variations in LED color intensity and hue from unit to

unit. This is within the normal range of the LED manufacturer’s specifications and is not a

defect.

Figure 2 Front Panel and LEDs

Ta b l e 1 WLC2504 Front Panel Component Descriptions

Callout Port and LEDs State and Description

CONSOLE CPU console port The CPU console port is an RS-232 port that supports

a RJ-45 connector. At boot-up the controller configures

the RS-232 port as a console port with default settings

of 9600, N, 8, 1. The boot-loader supports baud rates

of 1200, 2400, 4800, 9600, 19200, 38400, 57600, and

115200. A default baud-rate recovery mechanism is not

available; however the bootloader ensures that the

stored baud rate setting matches one of the allowed

values before setting the baud rate. If a nonstandard

value is detected the baud rate will default to 9600.

282249

CISCO 2500 Series WIRELESS CONTROLLER

Model 2504

RESET

PWR SYS ALM

CONSOLE

1234

1CONSOLE 2 3-4 POE PWR ALM

SYS

RESET

1GigE port and LED The Gigabit Ethernet port is an RJ-45 connector

form-factor. This port is designed so that 1500 VAC rms

isolation (per the 802.3 specification) is met between

chassis ground and any 48V/Ethernet signal.

LED description:

• Green or Blinking Green—Link activity

• Off—No link

2GigE port and LED The Gigabit Ethernet port is an RJ-45 connector

form-factor. This port is designed so that 1500 VAC rms

isolation (per the 802.3 specification) is met between

chassis ground and any 48V/Ethernet signal.

LED description:

• Green or Blinking Green—Link activity

• Off—No link

3 & 4 POE GigE Power-over-Ethernet

(POE) ports

The Gigabit POE ports are RJ-45 connector

form-factor. They provide a I2C communications

channel between the PSE controller and host CPU TWSI

bus #1. This interface supports the proper voltage

isolation as defined by 802.3. The POE controller is

configured to I2C address 0x40/41 (0100 000r/w).

The POE controller reset is driven from system reset. If

software needs to reset the POE controller, it can do so

over I2C.

LED description:

• Green or Blinking Green—Link activity

• Off—No link

Note Ports 3 and 4 are PoE only ports; do not

connect access point devices to these ports. The

ports can be used for infra-switch connection

using multiple an AP-Manager or data

interface.

Callout Port and LEDs State and Description

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

damage the controller.

RESET Reset button Pushing the Reset button reboots the system.

PWR Power LED The power LED light is on when all the power

conversion circuits are running normally.

LED description:

• Green—Power is on

• Off—No power to the system

SYS System LED The system LED determines if the system is powered up.

LED description:

• Blinking Amber—Boot-loader is active and waiting

for user input from the system console.

• Blinking Green—Boot-loader or booting.

• Green—Normal System Operation.

• Amber—System failed the bootup process or an

error caused the system to halt. A status or error

message is posted on the console screen.

• Off—System not receiving power.

ALM Alarm LED The alarm LED determines a status or error occurred.

The status or error is posted on the console screen.

LED description:

• Blinking Green—Controller image upgrading.

• Amber—Controller status activity, such as

firmware upgrade.

• Blinking Amber—Controller error. For example, a

temperature error exists.

Callout Port and LEDs State and Description

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

controller may fail to detect the device.

Figure 3 shows the back panel and identifies its components. Table 2 describes the back panel

components.

Figure 3 Controller Back Panel and Components

Ta b l e 2 Controller Back Panel and Component Descriptions

Ports and Slots State and Description

POWER 48VDC The 48 V input power is provided via an external

AC/DC adapter. Power is provided to the system board

from the 48 VDC input. There is enough power

available to power the system board plus two 802.3af

PoE devices.

Note The Cisco 2106 power adapter is not

compatible with a 2504 controller.

Cable Lock slot Security locking slot.

282250

POWER 48VDC

Cable Lock

Slot

2 Unpacking and Preparing the Controller for Operation

Follow these steps to unpack the 2504 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 2504 controller package contains the following items:

• One Cisco 2504 Wireless Controller.

• One Power supply and power cord (power cord option configurable).

• Cisco 2504 Wireless Controller software pre-loaded on the controller (software option

configurable).

• Optional licenses will be pre-installed on controller at factory, if selected.

• Two Number 6 Phillips pan-head screws for mounting the controller on a desk, shelf, or wall.

• Two wall anchors.

• Strain relief clip and screw.

• Optional hardware will be included, if selected.

Required Tools and Information

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

• Wireless 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.

Note You must enter a username and password and the configured username and password cannot

be the same.

• 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.

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

wireless controller Layer 3 security and mobility managers).

• A Cisco wireless 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.

• DHCP bridging

• 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.

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