Cisco Public 1
Next Generation Wireless
Fikreab Kidane
Systems Engineer – East Africa
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 2
• Wireless Network Evolution
Casual to Mission Critical
• RF Performance Matters
Throughput and Coverage
Reliability
Multimedia efficiency
• Cisco Unified Wireless Network
Access Point
Controllers
Services Engine
Management
• Q&A - Discussion
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 3
Point Applications Inventory Management
Barcode Scanning
802.11b11Mbps
802.11ag54Mbps
802.11n300Mbps
802.112Mbps
Mobile Data Email
Web browsing
Business Ready Voice, Video, Data
Next Gen Wireless Ubiquitous mobile
computing
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 4
From Best-Effort to Mission-Critical
System Management
Capacity
Self Healing and Optimizing
Hotspot
Casual PervasiveMedia RichApplications
Mission Critical
Performance Protection for
802.11n NetworksCleanAir
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Improves WLAN Throughput and Coverage
Improves WLAN Reliability
Improves WLAN Throughput
ClientLink
CleanAir
Band
Select
Efficient Video over WLANVideo
Stream
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 6
802.11a/g
802.11a/g Client Connection Not Optimized, Creates Coverage Hole
802.11n
Beam StrengthX
Beam Strength Not Directed to Client
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ClientLink Directs Signal to Improve Performance and Coverage for 802.11a/g Devices
Beam Forming
802.11a/g
802.11n
Cisco Innovation: Beam Forming Intelligence
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Reduction in Coverage
Holes for 11a/g devices
Higher data rates with fewer
dropped packets
Miercom Testing Validation
ClientLink Benefits Miercom Testing Results
Increases overall
wireless system channel
capacity
Faster 11a/g transactions
opens airtime to increase 11n
performance
Improves throughput for
existing 802.11a/g devices
Extends useful life of older
devices, saving upgrade costs
Throughput vs. DistanceUp to 65%
increase in
throughput for
11a/g devices
Up to 27%
Improvement in
Channel Capacity
Fewer coverage
holes in dynamic
RF environments
ClientLink Disabled ClientLink Enabled
Channel Util of 74.2% Channel Util of 45.2%
ClientLink Disabled ClientLink Enabled
< 14 Mbps
> 14 Mbps
25%
75%56%44%
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 9
ClientLink
CleanAir
Band
Select
Video
Stream
Improves WLAN Throughput and Coverage
Improves WLAN Reliability
Improves WLAN Throughput
Efficient Video over WLAN
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 10
Throughput
Reduction
Interference TypeNear(7 m)
Far(23 m)
2.4 or 5 GHz
Cordless
Phones100% 100%
Video Camera 100% 57%
Wi-Fi(busy neighbor)
90% 75%
Microwave
Oven63% 53%
Bluetooth
Headset20% 17%
DECT Phone 18% 10%
End User Impact
Reduced network capacity and coverage
Poor quality voice and video
Potential complete link failure
IT Manager Impact
Potential security breaches
Support calls
Increased cost of operationSource: FarPoint Group
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11
Silicon-level intelligence to automatically mitigate the impact of wireless interference, optimize network performance and reduce troubleshooting costs
Classification processed on Access Point
Interference impact and data sent to WLC for real-time action
WCS and MSE store data for location, history, and troubleshooting
12Cisco Public-Shared Under NDA only © 2011 Cisco Systems, Inc. All rights reserved
Self Healing and Optimization
PERFORMANCE AIR QUALITY
Wireless LANController
11
6
1
RRM
Channels 11, 6 and 1 are optimized for maximum performance and minimum interference
© 2010 Cisco Systems, Inc. All rights reserved.
13Cisco Public-Shared Under NDA only © 2011 Cisco Systems, Inc. All rights reserved
Self Healing and Optimization
PERFORMANCE AIR QUALITY
Wireless LANController
11
1
RRM
6
Channels 11, 6 and 1 are optimized for maximum performance and minimum interference
Interference on Channel 6. Air Quality is affected. RRM is browsing the list of preferred channels to resolve conflict…
11
6
1Scanning available channels…
© 2010 Cisco Systems, Inc. All rights reserved.
14Cisco Public-Shared Under NDA only © 2011 Cisco Systems, Inc. All rights reserved
Self Healing and Optimization
PERFORMANCE AIR QUALITY
Wireless LANController
11
1
RRM
11
6
1Changing to Channel 11
611
XConflict resolved. Information is being relayed to RRM. Conflicting channel is blocked from future use.
© 2010 Cisco Systems, Inc. All rights reserved.
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 15
ClientLink
CleanAir
Band
Select
Video
Stream
Improves WLAN Throughput and Coverage
Improves WLAN Reliability
Improves WLAN Throughput
Efficient Video over WLAN
Access Point Assisted 5 GHz Band Selection
52.4
802.11n
Dual-Band Client Radio2.4/5GHz
Discovery ProbesLooking for AP
Discovery Response
Solution
BandSelect directs clients to 5 GHz optimizing RF usage
Better usage of the higher capacity 5GHz band
Frees up 2.4 GHz for single-band clients
Challenge
Dual-Band clients persistently connect to 2.4 GHz
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 17
ClientLink
CleanAir
Band
Select
Video
Stream
Improves WLAN Throughput and Coverage
Improves WLAN Reliability
Improves WLAN Throughput
Efficient Video over WLAN
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 18
Radio Frequency Limitations
Can‟t deliver multicast video over RF at scale
Video overloads network and degrades other application performance
POOR PERFORMANCE
POOR PERFORMANCE
WLC SWITCH
Unable to deliver business quality video
AP AP AP AP
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 19
ADMISSIONCONTROL
VIDEONOT
AVAILABLE
Solved challenges associated with RF and wired / wireless integration
Brings wired video quality to wireless
Improves quality and scale of streaming content :
CRITICALITY LEVEL:
HIGH
GREAT PERFORMANCE
GREATPERFORMANCE
GREATPERFORMANCE
APAP APAP
WLC SWITCH
Stream prioritization protects important content precedence
Reliable Multicast
Prioritization
RRC
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 20
ClientLink
CleanAir
Band
Select
Video
Stream
Best in class RRM coupled with “legacy beamforming” to deliver focused power to clients.
Improves Network Throughput and Coverage
Sophisticated “Spectrum Intelligence” to monitor the airwaves, detect, locate & classify interference, alert IT and automatically reconfigure the network to avoid.
Improves Network Reliability
Optimized RF utilization by moving 5 GHz capable client out of the congested 2.4 GHz channels.
Improves Network Throughput
Extends reliable multicast into the wireless network by converting multicast to unicast at the AP
Efficient Video over WLAN
Cisco Public 21
Cisco Unified Wireless Network
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 22
Lightweight Access Points
Wireless
LAN
Controller
Wireless Control
System (NCS)
Mobility Services
Engine (MSE)
CAPWAP
Architecture Overview• 802.11n and 802.11a/g
• Highly scalable
• Real-time RF visibility and control
• Monitor and migrate standalone access points
• Easily configure
– WLAN controllers using SNMP
– Access points using CAPWAP
• Built-in support for Mobility Services
– Context–Aware Services (Location)
– Adaptive Wireless Intrusion Prevention System (wIPS)
• Wired and wireless guest access
Client Devices
and Wi-Fi Tags
Standalone
Access Points
Cisco Public 23
Management
Controllers
Access
Points
Mobility
Services
NCS
WLC
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Carp
ete
d R
uggediz
ed
Teleworker 11n + CleanAir11n
1260 3500e
3500i1140
Limited Lifetime Hardware Warranty
1040
600
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1260 or 1140 Series
2x3 MIMO
RF excellence with:
ClientLink
BandSelect
VideoStream
1040 Series
2x2 MIMO
RF excellence:
Robust wireless
RRM with automated self healing reduces dead spots
Centralized control and management
Architectural scalability
3500 Series
2x3 MIMO
RF excellence with:
ClientLink
BandSelect
VideoStream
CleanAir Technology
Option for 1040, 1140, 1260 Series
Part-time / full-time teleworker
Extends corporate wireless network to the homes
Convenience of instant-on access to corp resources
Connects wired devices seamlessly (VoIP phone)
Rich Media Mission-CriticalTeleWorker Business Ready
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 26
AP 1240 AP 1260 3500e
No No Yes
No Yes Yes
No
No Yes Yes
No No No
16 MB 32 MB 32 MB
AP 1040 AP 1140 AP 3500i
No No Yes
No Yes Yes
No Yes Yes
Yes Yes Yes
Yes Yes Yes
32 MB 32 MB 32 MB
External Antennas Internal Antennas
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 27
2.4 GHz
Public Access
MAP
IP Network
Router
Wireless LAN
Controller
NCS
2.4 GHz
5.8 GHzUniversal Access
Public Access
RAP
MAP
MAP
MAP
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 28
Casual
Pervasive Outdoors
AP 1510
AP 1520
Media Rich Apps & Mission
Critical
Performance Protection for 802.11n Networks
Outdoor
802.11abg
Unified
Architecture
Cable
Modem
Dual Radio
Backhaul
Mesh
Fast
Roaming –
Universal
Access
Outdoor
802.11n -
CleanAir
AP 1550
802.11n
802.11a/b/g
802.11a/b/g
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 29
1552e 1552i
802.11 b/g/n
802.11 a/n
Standard
External
802.11b/g/n
802.11a/n
Standard
Integrated
2.4 GHz
5 GHz
Type
Antenna
• 2 Radios 2.4/5 GHz
• 2 Tx, 3 Rx
• MIMO, 2 SS
• 3x Dual-Band Ant.
MIMO Multiple-In, Multiple-Out
SS Spatial Streams
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 30
Features
Outdoor 802.11n Access Point
Dual-Radio APs (2.4 & 5 GHz)
CleanAir & ClientLink
Dual-band Antennas
Stick
Integrated; Low-Profile
Backhaul
Fiber
Ethernet
Mesh
Benefits RF Excellence:
Integrated spectrum intelligence
Unified Mode:
Authentication, Security, Mobility,..
Flexible Deployment:
Access or mesh network, extension of
an Ethernet network, Fiber, Wireless
or Cable backhaul
High Performance:
Multipurpose network with low
CAPEX & OPEX
Cisco Public 31
Management
Controllers
Access
Points
Mobility
Services
NCS
WLC
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 32
Lean Branch
Campus and
Full Service Branch
2500
WLCM2
5500
WiSM2
Scale
Featu
res/P
erf
orm
ance
NEW
NEW
NEW
NEW
7500
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 33
Key Attributes
Best in class performance
Industry-leading encrypted throughput
Enhanced Operational Savings
Upgrades 500 AP within mins
Fails over 500 APs within seconds
Enhanced rich media performance
Multiple concurrent low-latency media flows
Access Points 12-500
Clients 7,000
Form-factor 1 RU
IO Interface 8x 1GE ports, LAG
Upgrade Licenses 25,50,100,250
Cisco 5500 Series Wireless Controller
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 34
Key Attributes
Best in class performance
Industry-leading encrypted throughput
Enhanced Operational Savings
• Upgrades 500 APs within minutes
• Fails-over 500 APs within seconds
Consistent wired-wireless, security, application visibility policies
Enhanced rich media performance
Multiple concurrent low-latency media flows
Access Points 100-500
Clients 10,000
Chassis Level Scale3,500 APs
70,000 Clients
IO Interface 10 GE
Upgrade Licenses 100, 200
WiSM2 for Catalyst 6500
New
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 35
NEW
5500 WiSM WiSM2
Number of Access Points 12–500 300 100–500
Throughput Up to 8 Gbps Up to 8 Gbps Up to 10 Gbps
Number of Clients Up to 7000 Up to 10,000 Up to 10,000
Concurrent AP Upgrades/Joins
Up to 500 Up to 20 Up to 500
Network I/O Up to 8, 1 Gbps SFPs Catalyst6000 back plane Catalyst6000 back plane
Mobility Domain Size Up to 36,000 Aps Up to 10,800 APs Up to 36,000 APs
Number of Controllers per Physical Device
1 2 1
Power Consumption 125W 164W 225W
AP Count and Feature Upgrade Via Licensing
Yes No Yes
Encrypted Data Link Between AP and Controller
Yes No Yes
OfficeExtend Solution Yes No Yes
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 36
Key Attributes
Ability to „scale the network as you grow‟ with licensing
Part of a PCI certified architecture
Ability to support various deployment modes
2500 Wireless Controller
Access Points 5-50
Clients 500
Throughput 500 Mbps
Deployment Model Local and
FlexConnect
Form Factor Desktop
IO Interface 4x 1GE
Upgrade Licenses 5, 25
New
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 37
Key Attributes• Single Box for branch services
• Consistency of functionality and management with controllers
Access Points ISM: 5-10
SM: 5-50
Clients 500
Throughput 500 Mbps
Deployment Model Local and FlexConnect
Form Factor SRE (ISM/SM)
Upgrade Licenses 5, 25
Device supported
on
1941, 2900 and 3900
Series ISR G2
New
Cisco Public 38
Management
Controllers
Access
Points
Mobility
Services
NCS
WLC
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 39
SiSi
SiSi
Indoor EnvironmentIndoor & Outdoor
Environments
Location
Tracking Engine
for Clients
Location
Tracking Engine
for Tags
SOAP/XML
API
Business Application
MSE
Smart
Phone
Voice over
802.11
Mobile User
802.11 Clients802.11 CCX Tags
RSSI RSSI / TDOA
Context-Aware
Software
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 40
Client:
Tag:
Rogue AP:
Rogue clients:
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 41
RF Spectrum AnalysisNon-802.11 Devices
RF Airspace Protection
Wireless Intrusion PreventionRogue Detection/Containment
Wireless Hacking/Intrusion Detection
Wired Intrusion Prevention CollaborationInappropriate Client ActivityMalware Detection/Mitigation
Layer 1
Layers 1-2
Layers 3-7
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 42
Spot the Attack when it happens
Denial of Service
DENIAL OF
SERVICE
Service disruption
Ad-hoc Wireless Bridge
Client-to-client backdoor access
HACKER
Rogue Access Points
Backdoor network access
HACKER
Evil Twin/Honeypot APHACKER‟S
AP
Connection to malicious AP
Reconnaissance
Seeking network vulnerabilities
HACKER
Cracking Tools
Sniffing and eavesdropping
HACKER
On-Wire Attacks Over-the-Air Attacks
Cisco wIPS Detects These Attacks
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 43
Stop the Attack Before It Happens
Denial of Service
DENIAL OF
SERVICE
Service disruption
Ad-hoc Wireless Bridge
Client-to-client backdoor access
HACKER
Rogue Access Points
Backdoor network access
HACKER
Evil Twin/Honeypot APHACKER‟S
AP
Connection to malicious AP
Reconnaissance
Seeking network vulnerabilities
HACKER
Cracking Tools
Sniffing and eavesdropping
HACKER
On-Wire Attacks Over-the-Air Attacks
MFP Neutralizes all
Management Frame
Exploits, such as Man-
in-the-Middle AttacksRogue detection,
classification and
mitigation
addresses these
attacks
WPA2/802.11i
Neutralizes Recon
and Cracking
AttacksCleanAir identifies and
classifies the
interferer, changes
channel, degrades
AirQuality metric and
sends alarms
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 44
Client Shun
Unified Intrusion Prevention
• Inspects traffic flow for harmful applications and blocks wireless client connections
• Layer 3-7 Deep Packet Inspection
• Eliminates risk of contamination fromwireless clients
• Zero-day response to viruses, malware and suspect signatures
Enterprise
Intranet
Cisco ASA
5500 Series
L2
IDS
Malicious Traffic
Mitigate Network Misuse, Hacking and
Malware from WLAN Clients
Business Challenge
L3-7
IDS
Cisco Public 45
Management
Controllers
Access
Points
Mobility
Services
NCS
WLC
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 46
• Consumes lots of time and resources
• Manual correlation of data
• Inefficient operational model
• Less time and resources needed
• Single view of critical data
• Improves IT efficiency
Wired
ExpertWireless
Expert
Security
Expert
Network
Generalist
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 47
• Information architecture: Seamless navigation and workflows align to tasks
• Modern interaction behavior: Maintains context while performing network management tasks
• Smart tables & advanced filtering: Quickly view additional information without leaving the workflow
• Ever-present alarm views & browser: Always-on visibility to potential end-user problems to speed remediation
Designed to Work With How IT Approaches Problems
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 48
Challenge:
Analyzing and avoiding client performance issues
Provides step-by-step method to analyze client connection and performance problems:
Authentication key mismatches
Wrong credentials
Policy manager state
DHCP/IP addressing
Trending analysis
Advantage:
Client TroubleshootingVoice Auditing
Step 1: Client SearchStep 2: Location and Connection TroubleshootingStep 3: RF Interference AnalysisStep 1: Voice Deployment ReadinessStep 2: Voice Configuration Audit
Diagnostic Tool That Speeds Resolution of
Client Performance Trouble Tickets
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 49
Provides Context as to Where the Wired Endpoint Resides
Thank you.