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Monitoring and Testing the Network Using Windows and Oracle Tools to Determine Network Bandwidth and Latency Objectives At the end of this module the student will understand the following tasks and concepts. How to monitor the network using Windows Tools. How to monitor the network using Oracle tools. How to load test the network. Network Monitoring Perfmon Task Manager Oracle Wait Statistics Pathping Portquery Perfmon Objects Network Interface IPV4 IPV6 TCPV4 TCPV6 Task Manager Provides some network information Active interfaces Percent utilization Oracle Wait Stats Use STATSPACK reports Look for “SQL*Net message from client” wait events Report lists: Waits Timeouts Total Wait Time (s) Avg Wait (ms) Waits/txn Look for relative ranking in wait events A Top 5 or Top 10 ranking could indicate a problem Pathping The pathping utility is available with Windows Server 2003 Used to display path and performance of the path Usage pathping system Portquery The portquery tool is used to find the ports and services open at an IP address Available from Microsoft Command line or GUI tool Network Load Testing TTCP Used for performance testing Available on the Windows 2003 CD Provides throughput information Run on both transmitter or receiver systems Network Load Testing TTCP On receiving system ttcp –r On transmitting system ttcp –t –n20480 192.168.50.101 Review What are some of the network objects that can be monitored in Perfmon? Which network statistics can be monitored with Task Manager? What is the name of the most common Oracle Wait event involving the network? Name two additional network monitoring tools available with Windows Server 2003. Summary Perfmon can be used for monitoring. STATSPACK reports can give network related Oracle Wait statistics Pathping can be helpful for finding the number of hops. Task manager can provide some information. Portquery can help with security issues. Use TTCP for load testing the network.