
Configuring MCE1 and MCT1 Services
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Enabling or Disabling Remote Loopback Detection
Setting the Remote Loopback Detection parameter enables or disables detection
of the driver’s BofL packets on this logical line, as long as the BofL parameter is
enabled for this interface. If you select enabled to put the line in loopback
detection mode, the driver will bring down the interface when it detects its BofL
packets.
Using the BCC
To enable or disable remote loopback detection, navigate to the logical-line
prompt (for example,
stack
;
mce1/1/2/1
;
logical-line/mce1-121-1
) and type:
remote-loopback-detection
variable
For example:
logical-line/mce1-121-1#
remote-loopback-detection enabled
Using Site Manager
See the Remote Loopback Detection parameter on page A-40 for information.
Configuring BERT Diagnostic Pattern Tests
DMCT1 net modules and QMCT1 or QMCT1 w/ DS0A link modules support the
bit error rate test (BERT) on individual logical lines.
In BERT mode, the router introduces deliberate error patterns into the transmitted
bit stream on a single logical line. It can generate patterns such as all ones, all
zeros, or a quasi-random signal sequence (QRSS) pattern.
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