Cisco Cisco Prime Infrastructure 3.0 White Paper

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Contents

Scope ........................................................................................................................................................................ 4

AVC Solution Overview ........................................................................................................................................... 4

Getting Visibility .................................................................................................................................................... 4

Today’s Challenges .............................................................................................................................................. 4

What Is Application Visibility and Control? ............................................................................................................ 5

How Does Application Visibility and Control Work? .............................................................................................. 6

AVC Technology Overview ..................................................................................................................................... 7

Presentation .......................................................................................................................................................... 7

NBAR2 .................................................................................................................................................................. 7

Flexible NetFlow ................................................................................................................................................... 7

Performance Collection ......................................................................................................................................... 8

Reporting Tools ..................................................................................................................................................... 8

Control .................................................................................................................................................................. 9

Use Cases Overview ................................................................................................................................................ 9

Discover Application Usage in the Network ........................................................................................................ 10

Top Applications ............................................................................................................................................. 11

Top Talkers (Client or Server) ........................................................................................................................ 13

Busiest Site/Location ...................................................................................................................................... 15

Application Throughput over Time over an Interface ...................................................................................... 15

Identify an Enterprise’s Own Applications and Create Custom Apps to Monitor ................................................. 15

Monitor and Troubleshoot Voice and Video Performance ................................................................................... 19

Why Is My Video Quality Poor? ...................................................................................................................... 19

Where in My Network Is Dropping Packets? .................................................................................................. 20

Monitor and Troubleshoot TCP Performance ...................................................................................................... 20

Which Applications May Be Having Performance Issues? ............................................................................. 20

What Might Cause the Problem - Is Application Slowness Caused by the Network or Application? .............. 22

Deployment Scenarios .......................................................................................................................................... 22

Enterprise Reference Topology .......................................................................................................................... 23

AVC at the WAN Edge ........................................................................................................................................ 24

AVC at the Internet Edge .................................................................................................................................... 25

AVC for Managed Service Providers (MSPs) ...................................................................................................... 26

AVC for Traditional Wireless Deployments (Cisco Unified Wireless Network) .................................................... 27

AVC for Converged Access ................................................................................................................................ 29

AVC for Perimeter Security/Firewall .................................................................................................................... 31

AVC Deployment Caveats .................................................................................................................................. 32

AVC Enablement with Cisco Prime Infrastructure .............................................................................................. 32

Cisco Prime Infrastructure Download .................................................................................................................. 32

Installation ........................................................................................................................................................... 32

AVC Configuration .............................................................................................................................................. 33

AVC-Supported Platforms .............................................................................................................................. 33

Prerequisites .................................................................................................................................................. 33

Readiness Assessment .................................................................................................................................. 33

NBAR2 Protocol Pack Update ........................................................................................................................ 34

Interface Roles Configuration ......................................................................................................................... 34

AVC Configuration and Activation .................................................................................................................. 35

Enabling AVC on Routers .......................................................................................................................... 35

Enabling AVC on Wireless Controllers ...................................................................................................... 40

Custom Application Creation .......................................................................................................................... 43

QoS Configuration .......................................................................................................................................... 43

Advanced System Settings ............................................................................................................................ 48

Data Retention ........................................................................................................................................... 49

Data De-duplication ................................................................................................................................... 49

Monitoring/Visualizing AVC ................................................................................................................................. 49

Monitoring Dashboards .................................................................................................................................. 49

Use Cases Workflow ...................................................................................................................................... 49

Discover Application Usage in the Network ............................................................................................... 49