Dell OpenManage Network Manager Quick Start Guide 5.2 - Page 16

Performance Management Troubleshooting In addition to troubleshooting faults, you can also monitor device performance with Dell OpenManage Network Manager. Monitors Monitors display some critical performance metrics for devices on the network, including: • Network availability • Bandwidth capacity utilization • Buffer usage and errors • CPU and memory utilization • Interface errors and discards • Network latency • Node and interface status To get started using monitors, follow these steps: 1 Click the Performance Management > Summary page, and find the Resource Monitors portlet on that page. 2 Hover the cursor over a Monitor of interest to see a tooltip of details about it. 3 Click to select a Monitor of interest. 4 Right-click the selected monitor in the Resource Monitors portlet, and then click Open to edit its details, including enabling/disabling it. Dashboard Views With permissions, you can view the performance data collected by the monitors, in graphical and tabular form including: • Excessive interface utilization • Unexpectedly high CPU load • Loss of available memory • Slow response time • Excessive interface errors To view this data, follow these steps: 1 Click the Performance Management > Summary page and find the Top Problem Nodes portlet. ( 14