Troubleshooting Slow Applications | NetBrain
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Transcript of Troubleshooting Slow Applications | NetBrain
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Troubleshoot with Maps & AppsTroubleshooting Slow Applications
NetBrain Technologies15 Network DriveBurlington, MA 01803
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Map + App
o Troubleshoot with automation
Instantly create a dynamic network map to identify the segment of the network responsible for forwarding the application traffic. Then drill down with apps for further diagnosis.
Network Performance
Routing Changes
ConfigurationDiscrepancies
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Build a Map
o Visualize the application flow across the network with a targeted map created from a pair of source and destination addresses of the application
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Asymmetric Routing
o Map reverse flow path to see how traffic flows from B to A.
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Run Apps
o Analyze application performance & design dependencies
by collecting performance and configuration data with an app.
o Recommended App: Layer-4 Port-Level Analysis
Specify layer-4 protocol and port number to identify traffic forwarding rules and restrictions specific to defined port.
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Run Apps
o Discover changes in traffic flow with an app to identify changes in topology by mapping the flow as it looked previously.
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Run Apps
o Monitor network health
by letting the app perform a continuous scan of the relevant network to determine device availability, device health, and link performance.
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Run Apps
o The app will also generate alarms when threshold is exceeded.
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Run Apps
o Leverage the Netflow app
to analyze bandwidth bottlenecks and drill down into interface’s bandwidth utilization data to see relevant Netflow data.
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Write Your Own Apps
o To automate any troubleshooting diagnosis
Create an app rather than issuing show commands one-by-one across devices.
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Write Your Own Apps
o Define variables of interest
One example is to use “show interface” IOS command to extract speed and duplex from each interface.
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Write Your Own Apps
o Define data positions on the map
Use the map to display the desired device and interface data.
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Write Your Own Apps
o Define alarm thresholds
Indicate a threshold condition and associated warning message when threshold is exceeded.
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