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Support FAQs

• What is the extent of 802.11n support in Omni 5.1?
• What adapters do you support for 802.11 n captures?
• When I configure a capture with my Buffalo card, it reports a speed of 1Mbps instead of 54Mbps in the Capture Options. Why?
• Why are the 40 MHz 802.11n channels missing from the Expert Network Policy screen?
• Are you going to release a patch for WildPackets Products in order to make them compatible with the new 2007 Daylight Savings Time changes?
• My OmniReport Service application is not generating any reports, what is the problem?
• I installed my OmniEngine on my Vista laptop, but the application will not run. What is the problem here?
• Will OmniEngine run on 64 bit Operating Systems?
• Does OmniEngine provide Application Performance measurements?
• What is Apdex?
• How are Apdex tasks measured?
• What is the OmniEngine Manager?
• What is Forensics Capturing?
• What type of authentication is supported on the engine?
• What CODECs are supported?

What is the extent of 802.11n support in Omni 5.1?

Capturing of 802.11n packets
Fully decode all 802.11n specific information elements in packets.
Provide 802.11n-specific statistics, analyses and expert diagnoses.

What adapters do you support for 802.11 n captures?

At the present time, we support the Buffalo Nfiniti, Model # WLI-CB-AG300N and Netgear WN511T, both using the Marvell driver that is supplied with Omni 5.1.

When I configure a capture with my Buffalo card, it reports a speed of 1Mbps instead of 54Mbps in the Capture Options. Why?

This is because Omni 5.1 is reporting the actual speed of the adapter’s connection, not its maximum data rate.

Why are the 40 MHz 802.11n channels missing from the Expert Network Policy screen?

These channels have been added to the Network Policy screen in OmniPeek 5.1.

Are you going to release a patch for WildPackets Products in order to make them compatible with the new 2007 Daylight Savings Time changes?

Since all WildPackets products make use of the underlying Operating System for all time computations, no patch will be necessary for our products to operate correctly with the new Daylight Saving Time Change.

There are two possible causes of this:

1. Graphs must be enabled in the Capture Options Window of OmniPeek.
2. You must start your capture *before* configuring your reports. The reason for this is that the data folder from which the OmniReports Service extracts the information with which to generate reports is not created until the capture is started.

OmniEngine is not compatible with User Account Control (UAC) under Windows Vista. In order to run OmniEngine under Windows Vista, you must disable UAC

OmniPeek will load and run on 64 bit operating systems in 32 bit compatibility mode and supports AMD and Intel x86 processors including the 64 bit capable Pentium and Xeon processors.

Yes, Omni has fully integrated the Application Performance Index (Apdex).

Apdex is an attempt to represent user satisfaction with application performance as a numeric score from 0.00 (horrible) to 1.00 (perfect). Calculations are based on how long it takes to complete each measured task.

Each individual task gets an Apdex score of 1.00, 0.50, or 0.00, depending on task duration relative to a user-defined threshold duration "T":

If an individual task completes within a user-defined threshold duration, the user is considered "satisfied" with application performance, and the task gets an Apdex score of 1.00.

If an individual task takes between one and four times the user-defined threshold duration, the user is considered "tolerating" application performance, and the task gets an Apdex score of 0.50.

If an individual task takes more than four times the user-defined threshold duration, the user is considered "frustrated" with application performance, and the task gets an Apdex score of 0.00.

For example, if you set the threshold for web applications at 3 seconds, then any time you can completely load a web page within 3 seconds, you are "satisfied" and score 1.00. If it takes more than 3 seconds, but no more than 12 seconds (4 times 3 seconds), you are merely "tolerating" performance, and score 0.50. If it ever takes more than 12 seconds, you are frustrated, and get an Apdex score of 0.00.

The OmniEngine Manager is included with both OmniPeek and OmniEngine. It provides an interface for connecting to, configuring and updating remote OmniEngines. See the OMC Readme or the OMC Help for more information on OmniEngine Manager.

Forensics Capturing provides the means to easily organize, filter, and pinpoint the data of interest. Captures are indexed and can be searched across multiple data collection files using specific area of interest, start time, end time and any available filters.

OmniEngine supports RADIUS and TACACs + authentication as well as Windows domain spaces to maintain logon credentials.

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