design and deployment of outdoor wireless...

Design and Deployment of Outdoor Wireless Networks

Kshitij Mahant, Technical Marketing Engineer

Session ID BRKEWN-2027

• Why Outdoor Wireless is important?

• Outdoor Wireless Components

• Cisco Outdoor Products and Deployment Modes

• Important Outdoor Wireless LAN Features

• Design Recommendations and Best Practices for Cisco Outdoor Wireless LAN Deployments

Agenda

© 2017 Cisco and/or its affiliates. All rights reserved. Cisco Public

How mobile growth could affect your network?

High volumes of mobile video can clog

the airwaves

Mobile applications are more prevalent

in the workplace, generating more traffic

Bring-your-own-device (BYOD) policies

and mobile initiatives are increasing

traffic and straining WLAN performance

Faster 802.11ac Wave 2–capable end-

user devices are becoming pervasive

Customers, users, guests, visitors will

still expect high-performance Wi-Fi

access

BRKEWN-2027 4


Why use Cisco Wireless?

Wireless is Cost effective Unlicensed spectrum

Availability of client devices

Zero on-going communication costs

Wireless is Standardized

IEEE 802.11

Can deliver throughput where you want it

It’s global. Same Frequencies

everywhere

Cisco Innovation

802.11a/b/g/n/ac

Attention from the industry (ex. Security)

ClientLink

CleanAir

HDX (High Density Experience)

Cisco Manageability

Cisco Scalability & Ease of use

Just keep on adding nodes

Low impact for new sites

Outdoor extension of the indoor Wireless LAN

BRKEWN-2027 5

© 2017 Cisco and/or its affiliates. All rights reserved. Cisco PublicBRKEWN-2027 6

Outdoor market is growing 15-20% Q/Q!

Still plenty of greenfield deployments -

Outdoor Market in Growth Mode

$0.0

$20.0

$40.0

$60.0

$80.0

$100.0

$M

WW Outdoor AP Market –Dell’Oro

Retail

Open-air malls, Parking lots Higher Ed

Campus Coverage

Manufacturing

Distribution centersHotels/Resorts

Pools & Open spaces

Hospitals

Recovery gardens, Inter-building coverage


It’s an 802.11ac Wi-Fi World!

• 802.11ac was introduced in 2 flavors – Wave-1 & Wave-2

• More than 70% of all new Wi-Fi devices in 2016 were 802.11ac capable

• Upwards of 50% of enterprise traffic will originate on Wi-Fi by 2017

• 802.11ac Wave-1 can fulfill smartphone and tablet bandwidth requirements for next 5 years

• All current and future outdoor deployment upgrades should look at 802.11ac standard to meet the demands

BRKEWN-2027 7


802.11 Technology Comparison

802.11n 802.11ac Wave 1 802.11ac Wave 2

2.4 and 5.0 GHz band 5.0 GHz band only 5.0 GHz band only

3X3 or 4X4 MIMO 3X3 or 4X4 MIMO 4X4 MIMO

Single User MIMO (one to one) Single User MIMO (one to one) Multi User MIMO (one to many)

20/40 MHz Channel Width 40/80 MHz Channel 40/80 MHz Channel Width up to 160

MHz

BRKEWN-2027 8


Extend 802.11ac Wave 2 Wi-Fi Access to the Outdoors

Ideal for Outdoor Enterprise and

Carrier Wi-Fi DeploymentsExtend access to Truck stops

and shopping malls

Low profile, low cost outdoor Access

Point provides high performance

802.11ac Wave 2

Provide More Bandwidth and Better

coverage for High Density Networks

Cisco Continues its leadership with the most complete Outdoor portfolio

Higher Ed customers demand

ubiquitous Wi-Fi coverage

Cost effective enabler for improved

productivity and revenue

Components of Outdoor Wireless

Cisco Wireless Access Point


Cisco Outdoor Access Point PortfolioIndustry’s most comprehensive and innovative

1560

• 802.11ac Wave 2, MU-MIMO

• 3x3:3, 80MHz, 1.3Gbps (I)

• 2x2:2, 80MHz, 867Mbps (E/D/PS)

• Internal or External antenna model (I/E)

• Internal directional antenna model (D)

• Public Safety 4.9 GHz model (PS)*

• SFP

• Flexible Antenna Ports

• CleanAir and ClientLink

• Centralized, FlexConnect, Mesh* and Mobility Express

1570

• 802.11ac Wave 1

• 4x4:3 80 MHz; 1.3 Gbps

• External antenna model (EAC)

• Cable Modem model (IC/EC)

• SFP

• GPS

• PoE Out 802.3at (Ext Ant. only)

• Flexible Antenna Ports

• CleanAir and ClientLink

• Modularity (Ext Ant. only)

• Centralized, FlexConnect and Mesh

Cable Modem Version Only (IC/EC)

• DOCSIS 3.0, 24x8

• Internal or External antenna

New

DNA Ready | RF Excellence | CMX

*Available H1 CY17

1530• 802.11n 3x3:3,

• Low profile

• Internal/ External antenna

• Centralized, FlexConnect, Mesh and Mobility Express

HDX | CleanAir

Modular | Future-proof

BRKEWN-2027 12

© 2017 Cisco and/or its affiliates. All rights reserved. Cisco Public 13BRKEWN-2027

Outdoor AP 1532I 1532E 1562I 1562D 1562E 1562PS 1572EAC 1572IC/EC

List Price $1299 $1399 $1695 $1795 $1795 $1995 $4495 $5295 / $6695

Type 802.11n 802.11n 802.11ac W2 802.11ac W2 802.11ac W2 802.11ac W2 802.11ac W1 802.11ac W1

Radios2.4G: 2x2:2

5G: 2x2:2

2.4G: 2x2:2

5G: 2x2:2

2.4G: 3x3:3

5G: 3x3:3

2.4G: 2x2:2

5G: 2x2:2

2.4G: 2x2:2

5G: 2x2:2

2.4G: 2x2:2

4.9G: 2x2:2

2.4G: 4x4:3

5G: 4x4:3

2.4G: 4x4:3

5G: 4x4:3

Antennas Internal

Flexible Antenna

Port

(dual or single

band)

Internal Internal -

Directional

Flexible Antenna Port

(dual or single band)





IC: Internal

EC: External

SPF Port n n y y y y y y

n n (EC)

Cable modem n n n

Power optionsPoE+ (802.3at)

48 VDC

PoE+ (802.3at)

48 VDC

UPoE/802.3at

48 VDC

PoE+ (802.3at)

48 VDC

PoE+ (802.3at)

48 VDC

PoE+ (802.3at)

48 VDCAC, 12 VDC, PoE

40-90V cable plant

12VDC

Data rate (2.4/5G) Mbps 300 300 216 / 1300 144 / 867 144 / 867 144 / 867 216 / 1300 216 / 1300

Clients per radio 200 200 200 200 200 200 200 200

CleanAir n n y y y y y y

ClientLink n n y y y y y y

BandSelect y y y y y y y y

Wireless mesh y y y y y y y y

Mobility Express n n y y y y n n

Environment IP-67 IP-67 IP-67 IP-67 IP-67 IP-67 IP-67 IP-67

Temp Range °C -40 to 65 -40 to 65 -40 to 65 -40 to 65 -40 to 65 -40 to 65 -40 to 65 -40 to 65

Technical SpecificationsIndustry’s most comprehensive and innovative


HIGH DENSITY EXPERIENCE (HDX)

Cisco Aironet 1570 Series Bringing 802.11ac with HDX Outdoors

• 4x Transmit + 4x Receive

• 3 Spatial Streams

• Max. Allowable Transmit Power*

• Multi Mode Options: Flex, Mesh, Auto.

• NG 24x8 DOCSIS/EuroDOCSIS, Fiber, Gig-E

• Future Proof: Plug-in Module via POE

RF Interference, Detection & Mitigation

CleanAir for 80MHz

Increase Performance& Range

ClientLink 3.0

Intelligent Handoffin High Density

Optimized Roaming

More 802.11acClients per AP

Turbo Performance

CLEAN AIR CLIENT

LINKOPTIMIZEDROAMING

TURBO BOOST

* Highest power allowed by FCC and ETSI


Cisco 1560 SeriesWave 2 802.11ac Outdoor Access Point

• Evolution of AP1530

Similar small footprint, low price

• Upgrade to 802.11ac Wave 2

• Add internal directional antenna (1562D)

• Same internal (1562I) or external (1562E) antennas

• Add support for Public Safety 4.9 GHz (1562PS)

• Add SFP support

• CleanAir

• ClientLink

• Local / Flexconnect / Mesh / Mobility Express modes

• Ruggedized for Outdoor: IP67, Temp -40 to +65°C

• SFP support

• LX(SM), SX(MM),1000Base-T(copper), or EPON/GPON

Next-Generation Wave 2 802.11ac Outdoor Access Point


Cisco Aironet 1530 SeriesUltra Compact and Flexible for Enterprise and Service Provider

• Small and ruggedized IP67 design for outdoors

• Blends into the environment

• Innovative flexible port architecture: dual or single band external antenna configuration via software

• Flexible deployment modes: centralized, standalone, bridge, mesh, or daisy chain

16BRKEWN-2027

Cisco High Density Outdoor Deployments


HDX AP Model Comparison

AP Model

1570 3702E IW3700 1560 2800E

Radio Design4x4:3

802.11ac W1

4x4:3

802.11ac W1

4x4:3

802.11ac W1

3x3:3

802.11ac W2

4x4:3

802.11ac W2

Max Data Rate per Radio 1300 Mbps 1300 Mbps 1300 Mbps 1300 Mbps 1300 Mbps

Antenna ConfigurationExternal

Single or dual band

External

Dual band

External

Dual band

External

Dual band

External

Dual band

Power OptionsAC, DC, PoE

PoE out = 802.3atPoE PoE, DC (M12) PoE+/UPoE PoE+

Environment -40 to 65 °C

-20 to 43 °C

NEMA enclosure

required

-40 to +70°C -40 to 65 °C

-20 to 43 °C

NEMA enclosure

required

BRKEWN-2027 18

802.11ac Wave 1 802.11ac Wave 2


Industrial Wireless IW3700 Series Access PointOptimized for Rail, Mining, Manufacturing, Oil & Gas

N-type antenna ports for 4x4 MIMO with three

spatial streams and support for up to 13 dBi

gain antennas

10/100/1000Base-T, PoE and PoE+

in (M12)

10/100/1000Base-T, PoE out (M12)

10 to 60 VDC in (M12)

Management console port (RJ-45

serial)

Integrated

mounting ears

Diecast aluminum

chassis with

integrated heatsink

and heaters

BRKEWN-2027 19


3700/3800 in a NEMA Enclosure

• National Electrical Manufacturing Association (NEMA)

• Professional rated APs deployed outdoors, it must be enclosed

• Protects the AP against water, dust, extreme temperatures

BRKEWN-2027 20


The World’s Most Versatile Access Points All The Benefits of 802.11ac Wave 2

Higher

Data Rate

Wider

Channels

Simultaneous

Data Delivery

Better

Battery Life

Highest Wi-Fi Performance Ever Better End Device Efficiency

New Radio

Role Flexibility

New Smart Antenna

Port Expandability

Improved

CleanAir

Plus Cisco Innovations for High Density Environments

Improved

ClientLinkNew Multi-Gigabit

Uplinks

Improved Zero

Impact AVC

Turbo

Performance

Optimized

RoamingHyperlocation

and Bluetooth*Flexible Dynamic

Frequency Selection

Self-Optimizing Network Optimized Mobile User Experience

NEW: Cisco Aironet 2800 NEW: Cisco Aironet 3800

*Future


Dual 5GHz – 2x the Coverage Area and Capacity

• Provide 2x the coverage area

from a single Access Point

• Improve the total Network

Performance

• Utilizes Smart Antenna

Connector

• Mix and match all Cisco

Supported Antennas

BRKEWN-2027 22


Use CaseAP3700 + AIR-ANT2513P4M-N=

Average Cell = 260 M2 (2700 ft2) at -65 dBm 5 GHz

BRKEWN-2027 23

Cisco Wireless Controllers


Cisco Controller Portfolio

Mobility Express

50 APs/1000 Clients – AP 18xx 100 AP/2000 Clients – AP 2800/3800

Cisco 3504150 APs3000 Clients4 Gbps

Cisco WISM2

1000 APs

15,000 clients

20 Gbps

Cisco 8540

6000 APs

64,000 clients

40 Gbps

6000 APs

64,000 clients

1 Gbps

Cisco Flex 7500

Cisco vWLC 1500 APs16000 Clients500 Mbps

75 APs

1000 clients

1 Gbps

Cisco 2500

500 APs

7000 clients

8 Gbps

Cisco 5508

Grow as Your Business Grows

Autonomous

APs

Cisco IOS 5760

1000 APs

12,000 clients

60 Gbps

Cisco vWLC

200APs

3000 clients

500 Mbps

Small Network, Small Branch

Mid-size Enterprise/Branch

Large Enterprise/Branch

Upto 150 APs 1500-6000 APs

6000 APs

64,000 clients

10 Gbps

Cisco 8510

Cisco 55201500 APs20000 Clients20 Gbps

Cisco Network Management


Prime InfrastructureEnd-to-end Management Platform

BRKEWN-2027 27


Add value with CMX CloudDelivering experiences and gaining insights made easy

Wireless Network

Discover customer insights

Easy Guest WiFi

Deliver relevant content

CMX CloudCMX 10 as a cloud-delivered SaaS offer

Simple and frictionless ordering,

deployment, and management

Shift from upfront CapEx to an

affordable OpEx model

Seamless scalability of innovative

mobility services

$Presence AnalyticsCMX Connect

CMX

BRKEWN-2027 28


Resiliency at every levelFor optimum high availability

RF Coverage

Redundancy

Network Infrastructure

Redundancy

Wireless Controller

RedundancyServices Redundancy

How to Plan and Deploy Cisco Outdoor Networks


Design for These 3 Key RF Relationships

How AP’s hear each other

AP to Client

Client to AP

AP to AP

How AP’s hear clients

How clients hear AP’s

BRKEWN-2027 31


How to plan for an outdoor wireless network

• Regulatory considerations:

• 802.11 Standard, Radio Emissions, Radar and Dynamic Frequency Selection (DFS). Certifications. All this varies per country.

• Design and Planning

• Coverage considerations (RF is key)

• User requirements (HDX, remote mining site, enterprise extension)

• Client type (Smart Phones, Tablets, Laptops, …). Weakest Link typically would be the Uplink on a Smart Phone

• CAPEX & OPEX available for project; match to type of Service, robustness of Coverage, etc.

• Site Survey

• Location & Height, Line-of-Sight (LoS)/Partial LoS, Interference, Access to wired backhaul (i.e. Max # Hops)

Wi-Fi network planning and deployment involves….

BRKEWN-2027 32


36

40

44

48

52

56

60

64

68

72

76

80

84

88

92

96

100

104

108

112

116

120

124

128

132

136

140

144

149

153

157

161

165

169

173

177

181

20

40

80

160

US

Canada

20

40

80

160

Europe

20

40

80

160

Existing Channel New Channel

UNII-2UNII-1 NEW! UNII-2e NEW! UNII-3 DSRC

5250

MHz

5350

MHz

5470

MHz

5725

MHz

5825

MHz

5925

MHz

Next Channel

5 GHz 20/40/80/160 MHz Channel Plans


RF Basics: Channel Utilization is KEY!

Using Spectrum Analyzers

Monitoring via Cisco APs


Maximizing the SpectrumRSSI vs. SNR

Check your noise floor in each band during peak usage– Packet captures with a NIC that

you trust (MacBook Pro, etc.)

– Fluke AirCheck

– Spectrum Expert

– Metageek Chanalyzer for Clean Air

Sources of Noise:

• Non Wi-Fi Interferers

• Probing Clients, Rogue APs

• High Co-Channel Interference

BRKEWN-2027 35


Omni vs. Directional Antennas

BRKEWN-2027 36


Dual Band vs. Single Band

• Single Band/Uniband – Separate 2.4GHz and 5GHz antennas

• Dual Band – Allow the radio to share the same physical antennas

Uniband Access Points

Dual Band Access Points

BRKEWN-2027 37


Distance = 1 km

In real world scenario you need to take in consideration obstacles; add more APs to have Line of Sight (LOS)

Depending on network requirements you need 2.4GHz only or 2.4GHz and 5GHz client access

Client type (smart phones, tablets, etc): weakest link typically would be the Uplink on a smart phone

For backhaul set the data rate to auto

The number of MAPs per RAP should be less than 32 but really depends on the application and bandwidth you want

Max hop count is 8. Four hops recommended

Use the range and capacity calculator

RAPMAP

General consideration

Design and Planning

BRKEWN-2027 39


• http://173.37.206.125/aspnet_client/system_web/2_0_50727/WNG_Coverage_Capacity_Calculator_V2.0_HTML/WNG_Coverage_Capacity_Calculator_V2.0.htm

WNG Coverage and Capacity Calculator

Online now!

BRKEWN-2027 42

http://173.37.206.125/aspnet_client/system_web/2_0_50727/WNG_Coverage_Capacity_Calculator_V2.0_HTML/WNG_Coverage_Capacity_Calculator_V2.0.htm


Design and Planning

Source: http://miercom.com/pdf/reports/20141212.pdf

Typical Throughput loss: 30%-40% per hop

Latency: 10 ms per Hop, 0.3-1 milliseconds typical

Hops: Outdoor: code supports 8 Hops; 3–4 Hops are recommended

Daisy-Chaining increased the supported hop count

Typical throughput

BRKEWN-2027 43


2.4 GHz Interferers

Real case example of urban coverage

Design and Planning

BRKEWN-2027 46

Site Survey and Deployment


The importance of site surveys

• Given the nature of the outdoor environment and the lightly licensed spectrum being used for Wi-Fi based outdoor MESH

• Site Survey’s are important

• Spectrum scans are equally important

• You may not be able to remove the interference source

• But you can design around it

• Remember to also survey at street level where clients will be operating

• If possible survey with either the client or “worst” client you expect to support

• Time based surveys may also be required n months after deployment

• Check for power availability

• Do you have the permits?

BRKEWN-2027 48


Which APs to use for site survey?

Autonomous Mode Mobility Express Mode

AP 1530

AP 1550

AP 1570

AP 1560

& Future Access Points



Get creative use different tools

BRKEWN-2027 50



Get creative use different tools

Backhaul on

Cable

Full Hanging

rights Power from

Stand

BRKEWN-2027 51


Site Survey ToolsActive/ Predictive Site Survey


Mount the Root AP to have a good view of the area to be covered

Understand RAP coverage. Use Directional Antennas for the RAPs on the Roof Tops.

Max recommended height for MAPs is 30 feet/10 meters

Recommend placing the APs at the same height

Minimum recommendation is 20~25 dB of SNR, RSSI of -67 dBm for all data rates, 15% cell overlap

Do not install the MAPs in an area where structures, trees, or hills obstruct radio signals to and from the access point

RF “Shadow”Close to Building; Poor SNR

Beyond RF Coverage Area;

Poor SNR


Mounting the APs

BRKEWN-2027 53


EquipmentInside


Environmental Impact

54


EquipmentInside



55


EquipmentInside



56


EquipmentInside



57



• By default the following parameters are set

• AP Role: MAP

• Default 2.4GHz and 5GHz channels are selected

• Default Transmit Power is set: Power Level 1

• Default Mesh Distances estimation is set to 12000ft

• Default BGN

• Backhaul Client Access is enabled

• Default Mesh Encryption type is EAP

• Primary, Secondary, Tertiary Wireless LAN Controller should be set

• DCHP Sever

• Option 43 – IP addresses of Wireless LAN Controllers

• Option 60 – AP Type

• Option 82 – DHCP Relay Information

• MAC-Authentication must be performed

• At each Wireless LAN Controller

• Use an External AAA

Access Point Pre-Provisioning

BRKEWN-2027 58

Architecture to Deploy Outdoor Wireless


There are multiple ways to achieve a robust outdoor wireless solution

• Deploying an outdoor network without proper planning can get expensive and time consuming

• This part of the session will help provide information so YOU can:

• Plan networks around your end users needs

• Select the correct operating mode for your network

• Meet your business needs

BRKEWN-2027 60


Supported Outdoor Modes

Best suited for Small Small-Medium Branch Outdoors SP/Enterprise

Benefits

• Simple and cost-

effective for small

networks

• Simple and cost-effective for

small-Medium networks

• Highly scalable for large

number of remote branches

• Simple wireless operations

with DC hosted controller

• Simplified operations with

centralized control for

Wireless

• Wireless Traffic visibility at

the controller

• Bridge/Local modes

Key Considerations• Low scale

• P2P

• Moderate Scale

• L2 roaming only

• L2 roaming only

• WAN BW and latency

requirements

• System throughput

Mobility Express

Controller running on

AP

FlexConnect/Flex+Bridge

Traffic Distributed at AP

WAN

Centralized

Traffic Centralized

at Controller

Intranet

BRKEWN-2027 61

Autonomous

Independent

Access Points

C

Cisco Outdoor Autonomous Deployment


Outdoor Autonomous

• Root Bridge—The root in a point to point (P2P) or point to multipoint (P2MP) deployment. Designed to take on non-root bridges, but can also accept associations from clients on non-backhaul radio

• Non-Root Bridge—Designed to connect to Root Bridge mode autonomous access points. Allows wired and wireless clients on non-backhaul radio

• Workgroup Bridge—Designed to connect as a client to the unified wireless architecture. Can bridge up to 20 wired clients. Recommended for mobile units.

• Install Mode—Uses a series of LED flashes to measure link RSSI between bridges. Allows installers to align access points

http://www.cisco.com/c/en/us/td/docs/wireless/access_point/15_2_4_JA/configuration/guide/scg15-2-4_book.html

BRKEWN-2027 63

http://www.cisco.com/c/en/us/td/docs/wireless/access_point/15_2_4_JA/configuration/guide/scg15-2-4_book.html


Internet

Point To Point

L3/L2 switch

L2 switch5GHz/2.4 GHz

Bridging: basic LAN to LAN wireless connectivity

Point To Multipoint

L2 switch

Cisco Autonomous Deployment Overview

Bridging

Non Root BridgeRoot Bridge

BRKEWN-2027 64


Cisco Prime Management of Autonomous APs

Autonomous Management Capabilities:• Access Point Heat maps

• Monitoring AP Status

• Monitoring Client Status

• Configuration Templates

• Reporting

BRKEWN-2027 65


Use Case: Bridging Buildings using Autonomous

• 1532E Access Points

• Directional Antennas (AIR-ANT5114)

• Autonomous Mode

• No need for a WLC

BRKEWN-2027 66

Cisco Outdoor Mobility Express Deployment


Cisco Mobility

Express

04Activates best-practice

settings by default and

supports presence-

based analytics

03 Easily manages and

troubleshoots your

network using advanced

software-based functions

01Runs Wireless LAN

Controller function on an

access point

02Presents an over-the-

air wizard or Network

PnP to configure up

to 100 access points

per controller

05Increases scalability

without replacing access

points. You just add a

controller

What is Mobility Express?

“Simplicity is the ultimate sophistication”

Leonardo da Vinci69


Cisco Mobility Express

Uses 802.11ac Wave 2 technology: Fastest Wi-Fi available

Enables simple and Fast IT: You’re up and running

in minutes

Manages all current Aironet access point models

Embeds an advanced, virtual WLAN controller into your

access point

Supports Cisco’s industry-leading WLAN controller features

with no price premium

NEW: Mobility Express

Simple, yet sophisticated

deployment

BRKEWN-2027 70


High-end features, no price premium

Uses 802.11ac Wave 2 technology: Fastest Wi-Fi available

Improved client density support with multiuser multiple

input, multiple output (MU-MIMO) technology

Apple Fastlane - automatically assures highest priority,

fastest performance for trusted apps on trusted Apple device

Integrated Connected Mobile Experiences with easy Guest

Wi-Fi and powerful analytics

Self optimized RF with Flexible Radio Assignment: radio

automatically adjusts to dual 5GHz or monitor (on select models)

BRKEWN-2027 71


Rogues (Access

points and

clients)

Mobility Express: Best dashboard for Wi-Fi

Interferers

Troubleshooting alert

Switch between Standard

View and Expert View

Make-a-wish to send email

feedback directly to Product

Management team:

[email protected]

New software notification

icon

Higher scalability already

built-in the dashboard

BRKEWN-2027 72


Enable 2.4 GHz Band

Enable 5.0 GHz Band

Enable Auto FRA

Enable Optimized Roaming

Enable EDRRM

Enable CleanAir

Select Channel Width

Slider for enabling 2.4 and

5 GHz Data rates

Select DCA channels for

2.4 and 5 GHz

Expert ViewIntroduces a wealth of options for wireless experts

BRKEWN-2027 73


Simplifies and Accelerates Wi-Fi Deployment

Connect Using Any Wireless

Device

Use Best-Practice Templates with Advanced Features Out-of-the-Box

Radio Resource Management

Guest Access

Application Visibility

CleanAir

Band Select

Client Profiling

Configure using Setup Wizard

2

1

3

74BRKEWN-2027

What if you have 100s deployments/ sites?


Network Plug-N-Play – Simple, Secure, Scalable

Central Staging Facility

Site-1

• Install OS

• Install Config

• Prime deviceNetwork

Admin

Installer

Site-3

Today’s Process

Site-2Site(s)

Network

Pre Provision Projects/Sites

Network Admin

1

Install & Power-on devices

2

Installer

Monitor device installation

3

Network Admin

Reseller/Partner

Ships

equipment

Direct Costs

•Shipping after Configuring device

•Travel costs for IT installer

Complexity

•Config errors

•Different products / processes

Security

•3rd party not secure

Time/Productivity

•Manual process

•Shipping , Storage, Travel

Business Challenges

BRKEWN-2027 76


Customers can deploy Mobility Express capable access points and run the controller

function without manually doing Day 0

Network PnP support

What are we trying to solve here?

Customers would use private cloud or Cisco public cloud redirect to create and/or

upload a controller configuration for a site

How?

BRKEWN-2027 77


What are those support options again?

•APIC-EM server which can be reached by Mobility Express capable Access Points. These APs can download the controller configuration file from APIC-EM server which resides in the premises of the organization.

Private Cloud

•Cisco cloud redirecting Mobility Express capable Access Points to a specific EPIC-EM IP address. This would be defined by customer/partner in Smart account. These APs can download the controller configuration file from APIC-EM server managed by customer.

Cisco Cloud Redirect

BRKEWN-2027 78


Network PnP support for Mobility ExpressPrivate Cloud

Master AP

running PnP

Agent

DHCP Request

DHCP response with

APIC-EM IP address

in DHCP option 43

HTTP PnP work request with device serial number (UDI)PnP Agent initiates HTTP communication

with the server and sends the device UDI

PnP Server receives UDI

and sends server SSL

certificate over HTTP

PnP Agent installs local trustpoint

for the server SSL certificate

HTTPS PnP work request with device serial number (UDI)PnP Agent initiates HTTPS communication


PnP Server receives UDI

and sends ME controller

configuration over HTTPS

LAN

PnP ServerPnP Server uses

self signed SSL

certificate

LAN/Internet

BRKEWN-2027 79


Network PnP support for Mobility ExpressCisco Cloud Redirect

Master AP

running PnP

Agent

DHCP Request

HTTP PnP work request with device serial number (UDI)PnP Agent initiates HTTP communication with

the APIC-EM server and sends the device UDI

PnP Server receives UDI and

sends server SSL certificate over

HTTP

PnP Agent installs local trustpoint

for the server SSL certificate

PnP Server

PnP Server uses

self signed SSL

certificate

Internet

HTTPS PnP work request with device serial number (UDI)PnP Agent initiates HTTPS communication


PnP Server receives UDI and

sends ME controller configuration

over HTTPS

Cisco Cloud

Redirect Server

DHCP server

responds with device

IP, domain name and

DNS server*

Device creates pre-defined cloud redirect server

name (devicehelper.cisco.com) and resolves for IP

address

Cloud redirect server

receives UDI and sends

APIC-EM IP address

Device establishes

communication with

Cloud Redirect Server

HTTP request with device serial number (UDI)

BRKEWN-2027 80


Outdoor Deployment with Mobility Express

BRKEWN-2027 81

Cisco Outdoor Centralized/ FlexConnect


Access Point Modes Overview

• All Cisco Access Points Support:

• Local mode

• Monitor mode

• Flexconnect Mode

• Bridge Mode

• Flex + Bridge Mode (from 8.0 release)

• Sniffer Mode

• Rogue Detector Mode

• Why use a AP15XX, not an indoor AP?

• Ruggedized AP (IP67 rated)

• Transmits at higher power levels (depending on Regulatory Domain)

• Meets outdoor regulatory constrains

• No expensive NEMA enclosureOutdoor AP Modes Supported (7.3 release and later)

Outdoor AP modes in par with Indoor APs

BRKEWN-2027 83


Local Mode vs. Bridge Mode

Local Mode Bridge Mode

+100% Client Access on both 2.4

and 5GHz

-5GHz for Backhaul, can be shared

for 5GHz client access

-Requires wired Ethernet drop per AP

including cabling and installation

costs

+Does not require wired Ethernet

drop, only power

Should be used for High Density

Deployments

Should be used to cover large areas

Use Case: Large City deployment

(Extension to indoor enterprise

deployment outdoors)

Use Case: Open Mining Facility

(Temporary deployments)

BRKEWN-2027 84


Use Case: High Density City Deployment

• At a distance of approx. 1 AP roughly every 250 SqMeters (2700 Sqft)

• Depending on client density APs can be spaced closer/farther

• Directional antennas / HDX features allow more additional APs

• APs should be in Local/Flexconnect mode

• RRM should be enabled with full HDX feature set

WLC 8540 with HA

BRKEWN-2027 85

Bridge/Mesh Mode


WLC

L3/L2 switch

Mesh Deployment Flexibility:

LAN-to-LAN connectivity

Multiple hop backhaul

2.4 GHz and 5GHz wireless client access

Ethernet Access to wired clients

LAN-to-LAN in motion with Work Group Bridge (WGB)

2.4 GHz Access

5 GHz Access

MAP

(Mesh AP)RAP

(Root AP) Backhaul 5GHz

MAP

Backhaul 5GHz

WGB

5 GHz Access

Wired access

L2 switch

Cisco Outdoor Mesh architecture overviewFrom Bridging to Mesh

MSE

CPI

BRKEWN-2027 87


Controller

MAP

ParentNeighbor

Optimal parent selection selects the path “ease”across each available backhaul

Ease based on number of hops and link SNR (Signal Noise Ratio)

AWPP uses a “Parent Stickiness” value to mitigate Route Flaps

AWPP integrates 802.11h DFS (Dynamic Frequency Selection) for radar detection and avoidance

Preferred parent can be manually configured if needed

Adaptive Wireless Path Protocol (AWPP)

establishes the best path to the Root

RAP

How does the Mesh converge?Self-configuring, Self-healing Mesh

BRKEWN-2027 88


How does AWPP Port-control flow work?

Control

Authentication

Blocked

Open

parent selection

Authorized

CAPWAP Authorized

AWPP packets (Adj req, resp, beacon) – Parent not associated yet

AWPP security packets (Encrypted Tunnel is established)

DHCP, ARP, CAPWAP control (AP gets IP Address)

ALL packets

Adaptive Wireless Path Protocol (AWPP)

establishes the best path to the Root

BRKEWN-2027 89


Dynamic VLAN Assignment

• 802.11i WPA/WPA2 security + Dynamic VLAN assignment

• AP to AP and AP to Controller mutual authentication

• EAP authenticated and AES-based encrypted backhaul mesh links

• Encrypted control traffic between AP and Controller

• Rogue AP detection and blacklisting

• Integrated Wireless IDS and Attack correlation software

• Mobile L3 VPNs for ‘confidential’ client traffic

Cisco’s AnyConnectVPN Client uninterrupted L3 roaming between Wi-Fi, cellular, etc. networks

Controller

IPSec VPNEAP for Encrypted

Links

AP X.509 Certificate Authentication

802.1x WPA/WPA2 Mutual AP Auth

SiSi

Security with Cisco Mesh

PSK based authentication (Introduced in 8.2)

EAP Encryption between hops

Certificate Authentication

MAC Authentication

Secured WLAN

(802.1X, WPA/WPA2)

Client VPN

Robust embedded security

BRKEWN-2027 90

Bridge Group Names (BGN)


Determining how the mesh forms

General Mesh Deployment recommendations include:

• Placing Access Points where the desired parent will have the highest link SNR

• Setting Bridge Group Names (BGN)

• Configuring a Preferred Parent

Monitoring Mesh Links on Prime

Mesh Links show color based on SNR

BRKEWN-2027 93


RAP

3 Hops 2 Hops

1 Hop

MAP

MAP

Logically groups APs and controls the association of the radios

For adding capacity we recommend that you have more than one RAP in the same sector, with the same BGN, but on different channels

Having multiple RAPs with same BGN in an area is good for redundancy: when a RAP goes down its MAPs will join a different sector with same name

A factory default BGN is empty (NULL VALUE). It allows the MAP to do the first association

Sectorization (Bridge Group)

Bridge Groups

BRKEWN-2027 94


Preferred Parent will be selected for the following conditions:

• P.P parent is the best parent

• P.P link SNR is at least 20dB (In this case, other parents,

however good, are ignored)

• P.P has link SNR between 12 and 20 dB, but no other

parent is significantly better (SNR more than 20% better).

For lower than 12dB SNR, P.P configuration is ignored

• P.P is not blacklisted

• P.P is not in silent mode due to DFS.

• P.P is in the same Bridge Group Name (BGN). If no other

parent available in the same BGN, the child will join the

P.P using the default BGN

Preferred Parent

BRKEWN-2027 96


• Scan 10 times for finding the matched BGN parent

• After 10 scans, if no parent with matched BGN, connect to the non-matched BGN

• After 15 mins, break connection and scan again

• Adds a higher AWPP priority on BGN but does not strand AP with mis-configured BGNs

Strict BGN Matching

WLC GUI:

Wireless->AP_NAME->Mesh

Available from 8.0 Release

BRKEWN-2027 97

Mesh Traffic and Convergence


WLAN

Controller

CAPWAP in

mesh header

Ethernet in

mesh header

Wireless client traffic

Wired client traffic

RAP

MAP

MAPs dynamically build

a tree with the best path

to the RAP

Intranet

Mesh carries two types of traffic:

CAPWAP traffic

Mesh header

How does Traffic pass in a Bridge Mode Deployment?

Deployment flexibility

99BRKEWN-2027


MESH AP

Listens to Beacons on each domain channel

Identifies channels where neighbors are heard

Post initial scan, MAP goes to seek state to identify the best

RAP and initiate a connection

Mesh APs scanning - Before joining a RAP

BRKEWN-2027 100


WLC CLI Configuration only (Warning: Decreasing convergence time may lead to more parents changes)

Config mesh convergence { standard | fast | very-fast } all

Parent Loss

Detection / Keep

Alive Timers

Channel Scan/Seek DHCP / CAPWAP

Information

Time per hop

(sec)

Standard 21 / 3 secScan/Seek all 5GHz

channels

Renew / Restart

CAPWAP 48.6*

Fast 7 / 3 sec

Scan/Seek only

channels found in

same bridge group

Maintain DHCP

and CAPWAP20.5*

Very Fast 4 / 1.5 sec

Scan/Seek only

channels found in

same bridge group

Maintain DHCP

and CAPWAP 15.9*

CCN/BG Scan

Fast/VF4sec

Scan/Seek only

channels found in

same bridge group

Maintain DHCP

and CAPWAP8-10sec

*Number are

shown for same

WLC, same

Channel, and

same Subnet.

Times are longer

if these variables

are changed

Mesh Fast Convergence

BRKEWN-2027 101


RAP2 – Ch 44,48

MAP1

WLC

Switch

RAP1 – Ch 36

RAP3 – Ch 40 MAP3 – Ch 40

Mesh Convergence - Building the Off-Channel List

BRKEWN-2027 103


RAP2 – Ch 44,48

MAP1

WLC

Switch

RAP1 – Ch 36


1. MAP1 Scan for parents


BRKEWN-2027 104


RAP2 – Ch 44,48

MAP1

WLC

Switch

RAP1 – Ch 36



2. Finds and joins Best Parent


BRKEWN-2027 105


RAP2 – Ch 44,48

MAP1

WLC

Switch

RAP1 – Ch 36




3. Background scans all neighbors


BRKEWN-2027 106


RAP2 – Ch 44,48

MAP1

WLC

Switch

RAP1 – Ch 36




3. Background scans all neighbors

4. Creates an Off-Channel Scanning List

using channels with neighbors present

Off-Channel Scanning List

Standard Fast/Very Fast

Scan channels heard

during initial full scan

then scan Off-

Channels found with

neighbors (44,40)

then scan all remaining

channels on domain (In

US there are 21

channels)

Scan channels heard

during initial full scan

then scan Off-

Channels found with

neighbors (44,40)

then scan just the

subset of the channels

(44,48,40)


BRKEWN-2027 107


RAP2

Ch 100

MAP1

RAP1

Ch 60

BGN RAP Channels

BGN_1 60, 100, 140RAP3

Ch 140

MAP2

Off-Channel Neighbor list (Example)

Channel AP Link SNR Ease

60RAP1 35 3500

MAP2 30 1200

100 RAP2 25 2500

140 RAP3 10 1000


2. Finds Best Parent

3. Background Scans all parents

4. Parent Fails

5. Send CCN_WAIT to children

6. Join New Parent from list

7. Notifies child of channel change

CCN_

WAIT

CCN_

CINFO

Mesh Convergence – Background Scan & Messaging


Daisy Chaining


Daisy-chaining: Serial Backhaul Deployments

• Both 1532s and 1572s in Bridge Mode can utilize this configuration

• Master MAP & Slave MAP are operating on different 5GHz channels to maximize throughput across the mesh link

• BGN configuration and the Preferred Parent command are recommended to maintain the mesh tree

• Slave MAP must be configured in RAP Mode

WLAN

Controller RAP

80MHz

MAP

(Master)

AP

(Slave) MAP2

80MHz

BRKEWN-2027 111


• Slave Access Point can be:

• 1530 / 1550 / 3700P

• With 1572, PoE-Out is 802.11at (25.5w), 1532E / 3702P can be powered directly!

• For PoE-Out, the 1572 power source must be AC / DC / or PoC

Daisy-Chaining: Mixing Access Points

WLAN

Controller RAP

80MHz

MAP

(Master)

AP

(Slave)

BRKEWN-2027 112


Daisy-chaining: Dedicated Client Access Device Deployments

WLAN

Controller RAP

5GHz

MAP

(Master) Local AP

• Local AP is dedicated for Client Access, while Master MAP will provide the mesh backhaul link

• In this configuration, LocalAP should be in local mode or flex-connect mode

• The Master MAP must have Ethernet bridging enabled

2.4/5GHz

BRKEWN-2027 113


Use Case: Roadside Video SurveillanceHigh Throughput over Multiple Mesh Hops

• WLC8500 to support high number of access points

• Daisy-Chaining allows 5GHz backhaul to operate on different channels maximizing throughput over distance

• High throughput applications such as HD video can span up to 8 mesh hops

• 5GHz radios should use directional antennas to maximize distance

• 2.4GHz radios can serve clients

RAP Daisy-Chain Daisy-Chain Daisy-Chain

WLC 8540 with HA

BRKEWN-2027 115

Flex + Bridge


Flex + Bridge (Flex on Mesh)

• New AP mode that allows Flexconnect behavior across mesh-enabled AP

• Control plane supports:

• Connected (WLC is reachable)

• Standalone (WLC not reachable)

• Data Plane supports:

• Centralized (split MAC)

• Local (local MAC)

• Flexconnect Groups

• Max 8 Mesh hops, Max 32 MAPs per RAP

• Local AAA support

• A WLC have a mix of Bridge and Flex + Bridge

• RAPs inherent VLANs from its connected MAP

WAN

Central Site

Remote

Office

Centralized

Traffic

Local

Traffic

WLCs

Local Data WLAN

Central Data WLAN

BRKEWN-2027 117


WLAN

Controller

Local

Intranet

How does Traffic pass in a Flex + Bridge Mode Deployment?

WAN

BRKEWN-2027 118


WLAN

ControllerRAP

MAP

Local

Intranet

Flex+Bridge carries the following traffic:


WAN

BRKEWN-2027 119


WLAN

Controller


RAP

MAP

Local

Intranet



WAN

BRKEWN-2027 120


WLAN

Controller

Ethernet in

mesh header


RAP

MAP

Local

Intranet


Mesh header


WAN

BRKEWN-2027 121


WLAN

Controller

Ethernet in

mesh header


RAP

MAP

Local

Intranet


Mesh header


Flexconnect WLAN

WAN

BRKEWN-2027 122


WLAN

Controller

Ethernet in

mesh header

Ethernet in

mesh header

Local Wireless client traffic


RAP

MAP

Local

Intranet


Mesh header


Flexconnect WLAN

WAN

BRKEWN-2027 123


WLAN

Controller

Ethernet in

mesh header

Ethernet in

mesh header



RAP

MAP

Local

Intranet


Mesh header


CAPWAPCentral Wireless

client traffic

Flexconnect WLAN

Central WLAN

WAN

BRKEWN-2027 124


WLAN

Controller

Ethernet in

mesh header

Ethernet in

mesh header



RAP

MAP

Local

Intranet


Mesh header



client traffic

Flexconnect WLAN

Central WLAN

WAN

BRKEWN-2027 125


WLAN

Controller

Ethernet in

mesh header

Ethernet in

mesh header



RAP

MAP

Local

Intranet


Mesh header



client traffic

Flexconnect WLAN

Central WLAN

WAN

BRKEWN-2027 126


WLAN

Controller

Ethernet in

mesh header

Ethernet in

mesh header



RAP

MAP

Local

Intranet


Mesh header



client traffic

Flexconnect WLAN

Central WLAN

WAN

BRKEWN-2027 127


Use Case: Open Mining Facility

• Remote Mining Site:

• Flex WLC at the Corporate Data Center

• RAP/MAPs operating in Flex+Bridge Mode around mine

• WGB controlling vehicle connects via mesh network

• Local Applications continue to operate, even if the WAN link is down

Flex + Bridge to increase Reliability

Local Applications

RAP MAP

Mobile WGB in Open Mine

Flex WLC with HA

WAN

BRKEWN-2027 128

Additional New Features for Outdoor Mesh


• Pre 8.0, VLAN 1 assigned on all backhaul links

• Now the native VLAN can be assigned to match switchport

Native VLAN Support

RAP MAP interface GigabitEthernet0/1

switchport trunk encapsulation dot1q

switchport trunk native vlan 161

switchport mode trunk

Note: Start configuration with your last Mesh hop


BRKEWN-2027 130


• 8.1 Code allows multiple Country Codes to be configured

• A Single WLC can now manage multiple regions

• Best Practices: APs of different regulatory domains should be deployed if:

• Different Physical locations

• Different Bridge Group Names (BGNs)

• This will avoid stranding MAPs

Multi-country Domain Support on a WLC

-A Channel 165

BGN_US-A Channel 165

BGN_US

-E Channel 140

BGN_AT

-E Channel 140

BGN_AT


BRKEWN-2027 131


• RRM Consists of:• Transmit Power Control (TPC)

• Dynamic Channel Assignment (DCA)

• Coverage Hole Detection and Mitigation (CHDM)

• Bridge / Flex+Bridge Mode

• RRM on 2.4GHz already existed

• Now RRM on 5GHz if:• AP is a RAP

• and RAP has a wired link (Ethernet/Fiber/Co-ax) to WLC

• and RAP is without Child MAP

• Local / Flex Mode

• RRM on both bands

RRM on 5GHz when in Bridge Mode

5GHz RRM is an optional feature. Enable manually if desired

BRKEWN-2027 132


RRM on 5GHz when in Bridge Mode

Channel 149

Power Level 3

RAP MAP

BRKEWN-2027 133


RRM on 5GHz when in Bridge ModeRAP

Channel 149

Power Level 3

BRKEWN-2027 134



Channel 149

Power Level 3

BRKEWN-2027 135



Channel 149

Power Level 1 (TPC)

BRKEWN-2027 136



Channel 149

Power Level 1 (TPC)

BRKEWN-2027 137



Channel 157 (DCA)

Power Level 1

BRKEWN-2027 138


WLC

L3/L2 switch

Mesh Deployment Flexibility:LAN-to-LAN connectivity

Multiple hop backhaul at 5 or 2.4 GHz

2.4 GHz and 5GHz wireless client access

Ethernet Access to wired clients

LAN-to-LAN in motion with Work Group Bridge (WGB)

2.4 GHz Access

5 GHz Access

Mesh APRoot AP Backhaul 2.4GHz

MAP

Backhaul 2.4GHz

WGB

5 GHz Access

Wired access

L2 switch

Cisco Outdoor Mesh 2.4 GHz and 5GHz Backhauls

MSE

CPI

Mesh AP

Backhaul 2.4GHz

Backhaul 5 GHzRoot AP Mesh AP

BRKEWN-2027 140


Design and Planning

Stranded: a MAP that is not able to associate and find a path to WLC

• DEFAULT BGN (Bridge Group Name): Mesh APs with incorrect BGN, can still join a running network using BGN named “DEFAULT”. With “DEFAULT” BGN:

• MAP associates clients, and forms mesh relationships

• After 15 minutes APs will go to SCAN state rather than rebooting

• Do not confuse an unassigned BGN (null value) with DEFAULT, which is a mode that the access point uses to connect when it cannot find its own BGN

• DHCP fall back: this features allow a MAP configured with a wrong static IP address to fall back to DHCP and find a WLC. If even this fails, AP then attempts to discover a controller in Layer 2 mode

• FULL SECTOR DFS: DFS functionality allows a MAP that detects a radar signal to transmit that up to the RAP, which then acts as if it has experienced radar and moves the sector

High Availability anti-stranded features

BRKEWN-2027 141

Outdoor Mesh Best Practices

© 2017 Cisco and/or its affiliates. All rights reserved. Cisco PublicBRKEWN-2027

Make it Easy Make it work Make it performMake it Easy Make it Work Make it PerformIN

FR

AS

TR

UC

TU

RE

Enable High Availability (AP and Client SSO)

Enable AP Failover Priority

Enable AP Multicast Mode

Enable Multicast VLAN

Enable Pre-image download

Enable AVC

Enable NetFlow

Enable Local Profiling (DHCP and HTTP)

Enable NTP

Modify the AP Re-transmit Parameters

Enable FastSSID change

Enable Per-user BW contracts

Enable Multicast Mobility

Enable Client Load balancing

Disable Aironet IE

FlexConnect Groups and Smart AP Upgrade

Enable 802.1x and WPA/WPA2 on WLAN

Enable 802.1x authentication for AP

Change advance EAP timers

Enable SSH and disable telnet

Disable Management Over Wireless

Disable WiFi Direct

Secure Web Access (HTTPS)

Enable User Policies

Enable Client exclusion policies

Enable rogue policies and Rogue Detection RSSI

Strong password Policies

Enable IDS

BYOD Timers

Set Bridge Group Name

Set Preferred Parent

Multiple Root APs in each BGN

Set Backhaul rate to "Auto"

Set Backhaul Channel Width to 40/80 MHz

Backhaul Link SNR > 25 dBm

Avoid DFS channels for Backhaul (FCC only)

External RADIUS server for Mesh MAC Authentication

Enable IDS

Enable EAP Mesh Security Mode

ME

SH

WIR

EL

ES

S /

RF

SE

CU

RIT

Y

Disable 802.11b data rates

Restrict number of WLAN below 4

Enable channel bonding – 40 or 80 MHz

Enable BandSelect

Use RF Profiles and AP Groups

Enable RRM (DCA & TPC) to be auto

Enable Auto-RF group leader selection

Enable Cisco CleanAir and EDRRM

Enable Noise &Rogue Monitoring on all channels

Enable DFS channels

Avoid Cisco AP Load

http://www.cisco.com/c/en/us/td/docs/wireless/technology/wlc/82463-wlc-config-best-practice.html

For YourReference

143


Important Links for Outdoor WLAN

• Cisco Wireless Best Practices: http://www.cisco.com/c/en/us/td/docs/wireless/technology/wlc/8-0/82463-wlc-config-best-practice.html

• 8.2 Mesh Deployment Guide: http://www.cisco.com/c/en/us/td/docs/wireless/technology/mesh/8-2/b_mesh_82.html

• AP1532 Deployment Guide: http://www.cisco.com/en/US/docs/wireless/controller/technotes/7.6/b_1532_dg.html

• AP1530 Hardware Installation Guide http://www.cisco.com/c/en/us/td/docs/wireless/access_point/1530/installation/guide/1530hig.html

• AP1570 Hardware Installation Guide http://www.cisco.com/c/en/us/td/docs/wireless/access_point/1570/installation/guide/1570hig.html

• AP1530 Ordering Guide http://www.cisco.com/c/en/us/products/collateral/wireless/aironet-1530-series/guide-c07-729725.html

BRKEWN-2027 155

http://www.cisco.com/c/en/us/td/docs/wireless/technology/wlc/8-0/82463-wlc-config-best-practice.html

http://www.cisco.com/c/en/us/td/docs/wireless/technology/mesh/8-2/b_mesh_82.html

http://www.cisco.com/en/US/docs/wireless/controller/technotes/7.6/b_1532_dg.html

http://www.cisco.com/c/en/us/td/docs/wireless/access_point/1530/installation/guide/1530hig.html

http://www.cisco.com/c/en/us/td/docs/wireless/access_point/1570/installation/guide/1570hig.html

http://www.cisco.com/c/en/us/products/collateral/wireless/aironet-1530-series/guide-c07-729725.html


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156BRKEWN-2027

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Thank You

design and deployment of outdoor wireless...

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