Cisco Cisco Prime Infrastructure 3.0 Weißbuch

Seite von 68
 
 
© 2015 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. 
Page 61 of 68 
Additionally, when you click the routers in the path, you will see various statistics like the CPU, memory, packet 
loss, latency, and other information for that particular router. 
 
Monitor and Troubleshoot TCP Performance 
Which Applications May Be Having Performance Issues? 
A first step is to check the overall network health. Browse to Services  Application Visibility and Control  
Service Health
 
You will only have applications listed as business critical in this dashboard. 
This is defined by default with the Protocol Pack, but you can also tune that by going to Services  Application 
Visibility & Control  Application and Services
In the Services  Application Visibility and Control  Service Health window you can quickly check whether 
something is going wrong in terms of performance. Orange or red means something has greatly changed from the 
average observed. It works on the concept of automatic baselining. Cisco Prime Infrastructure calculates the 
standard deviation. If your current value exceeds this value by 2 times, you will see a yellow indication. If it exceeds 
the value by 3 times, you will see a red indication. When you click a specific application for a specific site, you get 
the details in terms of traffic and performance: