How do I examine a port in the Troubleshooting Summary dashboard?
Port troubleshooting
The port Troubleshooting Summary dashboard consists of a selection of dashlets intended to show an overall picture of a selected port, providing the necessary information to troubleshoot it. On alarm dashlets, you can click on an alarm KPI to open the related alarms in a list view. Cross-launch to an alternate view via links or alarm circles is not possible if the related object is not part of a resource group.
The Port Summary dashboard provides NE information in a series of dashlets:
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Port Overview - type and address information for the selected port
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Current Health Summary - overall operational status of the selected port
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Analytics reports - a list of Analytics reports that can be run on the selected port
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Equipment Overview - equipment model and version information for the selected port
If you need to refer back to an object you had previously opened in the Object Troubleshooting dashboard, click 
Target History and select an object from the drop-down list.
Troubleshooting workflow
Use the following dashboard features to troubleshoot a port:
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View all alarms for a port KPI in the Alarms list; see How do I check alarms for a KPI?.
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View all alarms for the port; in the Alarm Summary dashlet, click View In Current Alarms.
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Plot utilization or error statistics for the port; see How do I plot performance statistics for an object?
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In the Current Health Summary dashlet, click Open In NE Inventory to display the port in the NE Inventory on a separate browser tab, in the context of its related equipment (card, shelf, NE).