Starting Or Stopping Bert On A Channel; Resetting Local Bert Counters For A Channel; Viewing Bert Results - Nortel Versalar 15000 Troubleshooting Manual

Managing and Troubleshooting the Versalar Switch Router 15000

Starting or Stopping BERT on a Channel

If you enable the generation of bit errors at a consistent rate, you can compare the
number of errors transmitted to the number received in a loopback test.
Conducting a BERT allows you to validate or troubleshoot connections.
You must enable BERT mode to conduct this test. The default setting is disabled.
To enable or disable BERT mode, go to the logical line test or T1 test prompt
(for example,
following command:
bert-mode
The following example shows how to disable and reenable a BERT on slot 2,
connector 1, FT1 channel 5:
t1-test/2/1/5#
t1-test/2/1/5#
t1-test/2/1/5#

Resetting Local BERT Counters for a Channel

To reset a BERT to incorporate changes to the BERT parameter settings, go to the
logical line or T1 test prompt (for example,
t1-2/1/4
bert-reset {no-action
no-action
reset
The following example shows how to reset a BERT on slot 2, connector 1,
T1 channel 4:
t1-test/t1-2/1/4#
t1-test/t1-2/1/4#

Viewing BERT Results

To display your test results, enter the following command from any BCC prompt:
show logical-line bert-stats
6-16
logical-line-test/ft1/2/1/5/6
|
{enabled disabled}
bert-mode disabled
bert-mode enabled
) and enter the following command:
|
reset}
does not reset the BERT. This is the default pattern.
restarts the BERT using the current parameter settings.
bert-reset reset
or ) and enter the
t1-test/t1-2/1/4
logical-line-test/ft1/2/1/5/6
or
t1-test/
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