rate is the bit error rate. This can be an integer from 0 through 7, which corresponds to a
bit error rate from 10
–0
(0, which corresponds to no errors) to 10
–7
(1 error per 10 million
bits). The default is 0.
NOTE: The bit-error-rate statement in BERT procedure is not supported on
the 16-port Channelized E1/T1 Circuit Emulation MIC (MIC-3D-16CHE1-T1-CE).
Individual concatenated E1 interfaces do not support the bert-algorithm configuration
statement. For individual concatenated E1 interfaces, the bert-algorithm statement at
the [edit interfaces interface-name e1-options] hierarchy level is ignored. The algorithm
for the E1 BERT procedure is pseudo-2e15-o151 (pattern is 2
15
–1, as defined in the CCITT/ITU
O.151 standard).
For channelized E1 intelligent queuing (IQ and IQE) interfaces, you can configure the
BERT algorithm by including the bert-algorithm statement at the [edit interfaces
ce1-fpc/pic/port e1-options] or [edit interfaces e1-fpc/pic/port e1-options] hierarchy level:
[edit interfaces ce1-fpc/pic/port e1-options]
bert-algorithm algorithm;
[edit interfaces e1-fpc/pic/port e1-options]
bert-algorithm algorithm;
For a list of supported algorithms, enter a ? after the bert-algorithm statement; for
example:
[edit interfaces ce1-0/0/0 e1-options]
user@host# set bert-algorithm ?
Possible completions:
pseudo-2e11-o152 Pattern is 2^11 -1 (per O.152 standard)
pseudo-2e15-o151 Pattern is 2^15 - 1 (per O.151 standard)
pseudo-2e20-o151 Pattern is 2^20 - 1 (per O.151 standard)
pseudo-2e20-o153 Pattern is 2^20 - 1 (per O.153 standard)
For specific hierarchy information, see individual interface types. For information about
running the BERT procedure, see the CLI Explorer.
Related
Documentation
Configuring T1 BERT Properties on page 168•
• Configuring Interface Diagnostics Tools to Test the Physical Layer Connections
Copyright © 2017, Juniper Networks, Inc.166
ACX Series Universal Access Router Configuration Guide
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