Chapter 17: Analyzing Applications 17-1 Copyright © 1998, Cisco Systems, Inc.

17-2MCSIAnalyzing Applications Copyright © 1998, Cisco Systems, Inc. Identify why specific application- layer statistics should be monitored Identify which application-layer statistics to monitor for different situations Identify when to monitor application- layer statistics Objectives

17-3MCSIAnalyzing Applications Copyright © 1998, Cisco Systems, Inc. Customize and install SwitchProbe® domains Identify utilization by application protocol Display utilization over time Identify most active hosts and host conversations Objectives (cont.)

17-4MCSIAnalyzing Applications Copyright © 1998, Cisco Systems, Inc. Optimizing application behavior, network segmentation, and route prioritizing Troubleshooting complex communication failures Troubleshooting by identifying what works and eliminating it Planning moves and network maintenance Why Should Applications Be Monitored

17-5MCSIAnalyzing Applications Copyright © 1998, Cisco Systems, Inc. Most active applications Conversation pairs and top talkers Overall traffic patterns Traffic flow between devices Peak loads and error rates Security risks Which Applications Should Be Monitored?

17-6MCSIAnalyzing Applications Copyright © 1998, Cisco Systems, Inc. Establishing baselines before and after any change Continuously monitoring for fault identification, resource planning, and security risks Real-time monitoring for trouble location Real-time monitoring for repair verification When Should Applications Be Monitored?

17-7MCSIAnalyzing Applications Copyright © 1998, Cisco Systems, Inc. Identifying Utilization by Application

17-8MCSIAnalyzing Applications Copyright © 1998, Cisco Systems, Inc. Displaying Utilization over Time

17-9MCSIAnalyzing Applications Copyright © 1998, Cisco Systems, Inc. Identifying Most Active Hosts

17-10MCSIAnalyzing Applications Copyright © 1998, Cisco Systems, Inc. Identifying Host Conversations

17-11MCSIAnalyzing Applications Copyright © 1998, Cisco Systems, Inc. Identify why specific application- layer statistics should be monitored Identify which application-layer statistics to monitor for different situations Identify when to monitor application- layer statistics Summary

17-12MCSIAnalyzing Applications Copyright © 1998, Cisco Systems, Inc. Customize and install and SwitchProbe domains Identify utilization by application protocol Display utilization over time Identify most active hosts and host conversations Summary (cont.)