Example: Using Network Monitor to View Trace ETL Files

Updated: December 23, 2009

Applies To: Windows 7, Windows Server 2008 R2

Network Monitor 3.3 enables users to parse, filter, and view an ETL file (using Windows Vista or later). (If using Network Monitor 3.2, you will need to download and install additional parsers from CodePlex in order to render the network tracing events.)

Correlated ETL files group the relevant events together. The illlustration below shows a correlated file opened in Network Monitor, with conversation enabled.

Correlated ETL files group relevant events

Correlated events are grouped by activity in the left pane. You can select an event in the Frame Summary pane, then right-click to select the conversation at the network event level. This will display a related activity in the left pane.

Selecting a particular activity from the left pane and expanding it will show the list of providers for the correlated events.

Expanding an activity to list the providers

When you select a specific provider in the left pane, a list of events specific to that provider and activity will be displayed in the Frame Summary pane.

Select a provider to show provider/activity events

You can apply filters in Network Monitor to make it easier to view and find the right events or packet. For example, you can apply a filter to selected events (for example, UTEvent.Header.Descriptor.Level == 2, indicating errors) to display them in a certain color.

Applying filters for viewing and finding events

Filters can also be applied to mark different providers in different colors so that the results are easier to view.

Use filters to differentiate providers by color

To apply a filter, click ColorFilters on the Filters menu.

The following table shows some examples of useful filters.

 

Filter Description

UTEvent.Header.Descriptor.Level == 2

Filters only error events.

UTEvent.Header.Descriptor.Level == 3

Filters only warning events.

UTEvent.Header.Descriptor.Id == 2001

Filters only events with event ID 2001.

WLAN_MicrosoftWindowsWLANAutoConfig

Filters only events from WLAN service.

N802_MicrosoftWindowsNWiFi

Filters only events from the Native Wifi driver.

WLAN_MicrosoftWindowsWLANAutoConfig AND UTEvent.Header.Descriptor.Id == 2001

Filters only events with event ID 2001 emitted from WLAN service.

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