LANBERT Settings

To run a test with LANBERT, you must configure the generator settings. If you are using this unit as an active loopback device, see Configuring LANBERT Loopback Settings.

Configuring LANBERT Generator Settings

To configure the LANBERT settings, open the settings icon on the LANBERT screen or tap the Menu icon and select Generator Settings.

Tap each field to enter or revise selections as needed. Changed settings are automatically applied. When you finish configuring, tap OK or Cancel to return to the settings screen. When you finish configuring, tap the back button to return to the LANBERT test screen.

Speed: This setting sets the link speed at which the Ethernet frames are sent to and received from the loopback destination.

  • You can choose 100 Mbps, 1 Gbps, 2.5 Gbps, 5 Gbps, and 10 Gbps to match the capacity of the media you want to test. (All settings are full duplex or full duplex forced.)

  • Auto lets the generator and loopback devices auto-negotiate the speed. (The speed may vary if there are errors or impairments.)

Frame Size: Sets the size of the Ethernet frames to be sent during the test.

  • You can choose presets of 64, 128, 256, 512, 1024, 1518 bytes.

    NOTE: Because the object of your bit error rate test is often to "stress" the media path with large amounts of data, choosing the minimum frame size of 64 bytes allows the maximum number of frames to be sent in the duration of the test.

  • Random varies the frame size at random to simulate variations in real data.

  • Tap the pencil icon to open an editing screen to enter a Custom Value for the frame size.

Duration: Sets the time for the test. Presets range from 10 seconds up to 24 hours.

Grading Type: Sets counts or percentages to grade error or loss thresholds. Both counts and percentages are always shown on the screen.

  • Count: counts the total number of frames encountering errors or loss of frame and sets the Error Threshold and Loss Threshold presets to numbers.

  • Percent: calculates the percentage of frames encountering errors or loss of frame and sets the Error Threshold and Loss Threshold presets to percentages.

Error Threshold: Defines what constitutes a failed test in terms of frames that were successfully sent and received but that encountered errors that changed the frame check sequences.

  • Select a value from the presets:

    • For a Grading Type of Count: 0 (no errors), 1, 10, 100, or 1000.

    • For a Grading Type of Percent:  0.0% (no errors), 0.001%, 0.01%, 0.1%, or 1%.

  • Disabled turns off grading of errors.

  • Tap the pencil icon to open an editing screen to enter a Custom Value for the error threshold.

Loss Threshold: Defines what constitutes a failed test in terms of frames that were unsuccessfully sent and received.

  • Select a value from the presets:

    • For a Grading Type of Count: 0 (no errors), 1, 10, 100, or 1000.

    • For a Grading Type of Percent:  0.0% (no errors), 0.001%, 0.01%, 0.1%, or 1%.

  • Disabled turns off grading of losses.

  • Tap the pencil icon to open an editing screen to enter a Custom Value for the loss threshold.

Auto-upload results to Link-Live: When enabled, the LANBERT app automatically uploads test results to Link-Live each time a test completes.

Configuring LANBERT Loopback Settings

To configure this LR 10G as an active loopback device, select the LANBERT icon from the Home screen, then tap the Menu icon and select Loopback Settings. When you finish configuring, tap the back button to return to the LANBERT test screen.

The only available setting is Speed.

  • Match the speed to the speed you selected for the transmitting test device. You can choose 100 Mbps, 1 Gbps, 2.5 Gbps, 5 Gbps, and 10 Gbps to match the capacity of the media you want to test. (All settings are full duplex or full duplex forced.)

  • Auto lets the LR 10G automatically negotiate the speed.