Cisco OL-31386-01 User Manual

GETTING STARTED GUIDE

Cisco Aironet 2700 Series Access Points

1 About this Guide

2 Introduction to the Access Point

3 Safety Instructions

4 Unpacking

5 Configurations

6 Access Point Ports and Connectors

7 Configuring the Access Point

8 Mounting the Access Point

9 Deploying the Access Point on the Wireless Network

10 Troubleshooting

11 Declarations of Conformity and Regulatory Information

12 Configuring DHCP Option 43 and DHCP Option 60

13 Access Point Specifications

OL-31386-01 Last Updated: March 31, 2015

1 About this Guide

This Guide provides instructions on how to install and configure your Cisco Aironet 2700 Series Access Point. This guide also provides mounting instructions and limited troubleshooting procedures.

The 2700 Series Access Point is referred to as the access point in this document.

2 Introduction to the Access Point

The 2700 series supports high-performing Spectrum Intelligence which sustains three spatial stream rates over a deployable distance with high reliability when serving clients. The 2700 series provides high reliability and overall wireless performance.

The 2700 series offers dual-band radios (2.4 GHz and 5 GHz) with integrated and external antenna options. The access points support full interoperability with leading 802.11ac clients, and support a mixed deployment with other access points and controllers.

The 2700 series access point is a controller-based (Unified) product and supports:

• Simultaneous dual-band (2.4-GHz and 5-GHz) radios

• Integrated antennas on the 2702I access point model (AIR-CAP2702I-x-K9, AIR-AP2702I-UXK9)

• External antennas for rugged 2702E access point model (AIR-CAP2702E-x-K9,

AIR-AP2702I-UXK9)

Note The ‘x’ in the model numbers represents the regulatory domain. Model numbers

containing -UX, support the universal regulatory domain. For information on supported regulatory domains, see “Regulatory Domains” section on page 7.

The features of the 2700 series are:

• Processing sub-systems (including CPUs and memory) and radio hardware which supports:

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Network management

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CleanAir—Automatic detection, classification, location and mitigation of RF interference

–

ClientLink 3.0—BeamForming to 802.11n/ac clients and legacy 802.11a/g OFDM clients.

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VideoStream

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Location

–

WIDS/WIPS

–

Security

–

Radio Resource Management (RRM)

–

Rogue detection

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Management Frame Protection (MFP)

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Throughput, forwarding, and filtering performance scaled to meet 3 spatial stream, 1.3-Gbps data-rates

• 64 MB flash size

• 802.11af/at

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CDP (Cisco Discovery Protocol)

• 2.4 GHz and 5 GHz 802.11n radios with the following features:

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4TX x 4RX for 5 GHz and 3Tx x 4Rx for 2.4 GHz

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3-spatial streams, 1.3-Gbps PHY rate

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Spectrum intelligence

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DPD (Digital Pre-Distortion) technology

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Cisco Vector Beamforming—Implicit Co-phase beamforming for .11ag clients and 1x1 11n clients

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Radio hardware is capable of explicit compressed beamforming (ECBF) per 802.11n standard

3 Safety Instructions

Translated versions of the following safety warnings are provided in the translated safety warnings document that is shipped with your access point. The translated warnings are also in the Translated Safety Warnings for Cisco Aironet Access Points, which is available on Cisco.com.

Warning

IMPORTANT SAFETY INSTRUCTIONS

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.

SAVE THESE INSTRUCTIONS

Read the installation instructions before you connect the system to its power source.

Statement 1004

Statement 1071

Warning

Caution The fasteners you use to mount an access point on a ceiling must be capable of

Installation of the equipment must comply with local and national electrical codes.

Statement 1074

This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than: 20A.

Statement 1005

Do not operate your wireless network device near unshielded blasting caps or in an explosive environment unless the device has been modified to be especially qualified for such use.

In order to comply with FCC radio frequency (RF) exposure limits, antennas should be located at a minimum of 7.9 inches (20 cm) or more from the body of all persons.

Statement 332

maintaining a minimum pullout force of 20 lbs (9 kg) and must use a minimum of 4 holes on the mounting bracket, or a minimum of 2 holes when mounting on a network box.

Statement 245B

Caution This product and all interconnected equipment must be installed indoors within the same

building, including the associated LAN connections as defined by Environment A of the IEEE 802.3af Standard.

Note The access point is suitable for use in environmental air space in accordance with section

300.22.C of the National Electrical Code and sections 2-128, 12-010(3), and 12-100 of the Canadian Electrical Code, Part 1, C22.1. You should not install the power supply or power injector in air handling spaces.

Note Use only with listed ITE equipment.

4 Unpacking

To unpack the access point, follow these steps:

Step 1 Unpack and remove the access point and the accessory kit from the shipping box.

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

Step 3 Verify that you have received the items listed below. If any item is missing or damaged, contact

your Cisco representative or reseller for instructions.

–

The access point

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Mounting bracket (only if selected when you ordered the access point)

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Adjustable ceiling-rail clip (only if selected when you ordered the access point)

5 Configurations

The 2700 series access point contains two simultaneous dual-band radios, the 2.4-GHz MIMO radio and the 5-GHz 802.11ac MIMO radio.

The 2700 series access point’s configurations are:

• AIR-CAP2702E-x-K9, AIR-AP2702E-UXK9—two 2.4-GHz/5-GHz dual-band radios, up to 4 external dual-band dipole antennas

• AIR-CAP2702I-x-K9, AIR-AP2702I-UXK9—two 2.4-GHz/5-GHz dual-band radios, with integrated dual-band antennas

For information on the regulatory domains, see “Regulatory Domains” section on page 7.

External Antennas

The 2702E model is configured with up to four external dual-band dipole antennas, and two 2.4-GHz/ 5-GHz dual-band radios. The radio and antennas support frequency bands 2400–2500 MHz and 5180–5865 MHz through a common dual-band RF interface. Features of the external dual-band dipole antennas are:

• Four RTNC antenna connectors on the top of the access point

• Four TX/RX antennas

These antennas are supported on the 2702E:

• AIR-ANT2524DB-R

• AIR-ANT2524DW-R

• AIR-ANT2524DG-R

• AIR-ANT2524V4C-R

• AIR-ANT2544V4M-R

• AIR-ANT2566P4W-R

Internal Antennas

The 2702I model access point is configured with four dual-band inverted-F antennas, and two

2.4-GHz/5-GHz dual-band radios.

There are four antennas deployed inside the access point with one deployed on each corner of the 2702I access point top housing. Each antenna covers both the 2.4 GHz and the 5 GHz bands with a single feed line. The basic features are as follows:

• Dual-band inverted-F antenna for use in both the 2.4-GHz and 5-GHz bands.

• Antenna unit integrated into the 2702I model access point.

• Peak gain is approximately 4 dBi in both 2.4 GHz and 5 GHz bands.

Regulatory Domains

The 2700 series supports the following regulatory domains (shown as “x” in the model numbers):

• -A, -C, -D, -E, -F, -H, -I, -K, -N, -Q, -R, -S, -T, -Z

Note Click this URL for the latest list of countries and regulatory domains supported by the

AP’s models: www.cisco.com/go/aironet/compliance

The 2700 series also supports the universal regulatory domain, -UX, which has the following model number formats:

• AIR-AP2702I-UXK9

• AIR-AP2702E-UXK9

Note For information on how to set the regulatory domain and country configurations of a

universal regulatory domain access point, see the Cisco Aironet Universal AP Priming and Cisco AirProvision User Guide, at:

http://www.cisco.com/c/en/us/td/docs/wireless/access_point/ux-ap/guide/uxap-mobapp-g .html

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6 Access Point Ports and Connectors

The 2702E model access point has external antenna connectors and the LED indictor on the top of the model, as shown in Figure 1. The 2702I model access point has integrated antennas and does not have external connectors on the top of the unit; however, it does have the LED indicator on top of the unit, as shown in Figure 2.

Figure 1 Access Point Ports and Connections (top)—2702E Model

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Dual-band antenna connector A

Dual-band antenna connector B

Figure 2 Access Point LED Indicator (top)—2702I Model

LED indicator

Dual-band antenna connector C

Dual-band antenna connector D

The ports and connections on the bottom of the access point are shown in Figure 3.

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3 4 5

Figure 3 Access Point Ports and Connections (bottom)-AIR2702E and 2702I Models

Kensington lock slot

DC Power connection port

Primary Ethernet port

Auxiliary Ethernet Port

RS232 Console Port

Mounting bracket pins (feet for desk or

table-top mount)

Note The Auxiliary Ethernet port is disabled. Do not connect this port to a PoE switch. Connecting

the primary and auxiliary ports to a PoE switch will not provide additional power.

7 Configuring the Access Point

This section describes how to connect the access point to a wireless LAN controller. Because the configuration process takes place on the controller, see the Cisco Wireless LAN Controller Configuration Guide for additional information. This guide is available on Cisco.com.

The Controller Discovery Process

The access point uses standard Control and Provisioning of Wireless Access Points Protocol (CAPWAP) to communicate between the controller and other wireless access points on the network. CAPWAP is a standard, interoperable protocol which enables an access controller to manage a collection of wireless termination points. The discovery process using CAPWAP is identical to the Lightweight Access Point Protocol (LWAPP) used with previous Cisco Aironet access points. LWAPP-enabled access points are compatible with CAPWAP, and conversion to a CAPWAP controller is seamless. Deployments can combine CAPWAP and LWAPP software on the controllers.

The functionality provided by the controller does not change except for customers who have Layer 2 deployments, which CAPWAP does not support.

In a CAPWAP environment, a wireless access point discovers a controller by using CAPWAP discovery mechanisms and then sends it a CAPWAP join request. The controller sends the access point a CAPWAP join response allowing the access point to join the controller. When the access point joins the controller, the controller manages its configuration, firmware, control transactions, and data transactions.

Note For additional information about the discovery process and CAPWAP, see the Cisco Wireless

LAN Controller Software Configuration Guide. This document is available on Cisco.com.

Note CAPWAP support is provided in controller software release 5.2 or later. However, your

controller must be running release 7.6.120.x or later to support 2700 series access points.

Note You cannot edit or query any access point using the controller CLI if the name of the access

point contains a space.

Note Make sure that the controller is set to the current time. If the controller is set to a time that

has already occurred, the access point might not join the controller because its certificate may not be valid for that time.

Access points must be discovered by a controller before they can become an active part of the network. The access point supports these controller discovery processes:

• Layer 3 CAPWAP discovery—Can occur on different subnets than the access point and uses IP addresses and UDP packets rather than MAC addresses used by Layer 2 discovery.

• Locally stored controller IP address discovery—If the access point was previously joined to a controller, the IP addresses of the primary, secondary, and tertiary controllers are stored in the access point’s non-volatile memory. This process of storing controller IP addresses on an access point for later deployment is called priming the access point. For more information about priming, see the “Performing a Pre-Installation Configuration” section on page 13.

• DHCP server discovery—This feature uses DHCP option 43 to provide controller IP addresses to the access points. Cisco switches support a DHCP server option that is typically used for this capability. For more information about DHCP option 43, see the “Configuring DHCP Option 43

and DHCP Option 60” section on page 39.

• DNS discovery—The access point can discover controllers through your domain name server (DNS). For the access point to do so, you must configure your DNS to return controller IP addresses in response to CISCO-CAPWAP-CONTROLLER.localdomain, where localdomain is the access point domain name. Configuring the CISCO-CAPWAP-CONTROLLER provides backwards compatibility in an existing customer deployment. When an access point receives an IP address and DNS information from a DHCP server, it contacts the DNS to resolve CISCO-CAPWAP-CONTROLLER.localdomain. When the DNS sends a list of controller IP addresses, the access point sends discovery requests to the controllers.

Preparing the Access Point

Before you mount and deploy your access point, we recommend that you perform a site survey (or use the site planning tool) to determine the best location to install your access point.

You should have the following information about your wireless network available:

• Access point locations.

• Access point mounting options: below a suspended ceiling, on a flat horizontal surface, or on a

desktop.

Note You can mount the access point above a suspended ceiling but you must purchase

additional mounting hardware: See “Mounting the Access Point” section on page 16 for additional information.

• Access point power options: power supplied by the recommended external power supply (Cisco AIR-PWR-B), a DC power supply, PoE from a network device, or a PoE power injector/hub (usually located in a wiring closet).

Note Access points mounted in a building’s environmental airspace must be powered using PoE

to comply with safety regulations.

Cisco recommends that you make a site map showing access point locations so that you can record the device MAC addresses from each location and return them to the person who is planning or managing your wireless network.

Installation Summary

Installing the access point involves these operations:

• Performing a pre-installation configuration (optional)

• Mounting the access point

• Grounding the access point

• Deploying the access point on the wireless network

Performing a Pre-Installation Configuration

The following procedures ensure that your access point installation and initial operation go as expected. A pre-installation configuration is also known as priming the access point. This procedure is optional.

Note Performing a pre-installation configuration is an optional procedure. If your network

controller is properly configured, you can install your access point in its final location and connect it to the network from there. See the “Deploying the Access Point on the Wireless

Network” section on page 16 for details.

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