In this video i will monitor your network subsystem.

1. In the System Monitor window, click the Add button on the toolbar.
2. In the Add Counters dialog box, select the following performance objects and counters:
3. Select Network Interface from the Performance Object drop-down list, select Bytes Total/Sec in the counter list box, and click the Add button.
4. Select TCPv4 from the Performance Object drop-down list, select Segments/Sec from the counter list box, and click the Add button.
5. Click the Close button. You should see these counters added to your graph.
6. Note the Network Interface > Bytes Total/Sec and TCPv4 > Segments/Sec counters. These numbers are cumulative. Use them in your baselines to determine network activity.