[edit interfaces interface-name t1-options]
bert-algorithm algorithm;
bert-error-rate rate;
bert-period seconds;
seconds is the duration of the BERT procedure. The test can last from 1 through
239 seconds; the default is 10 seconds. Standard CT1, standard T1, T1 IQ, and T1 IQE
interfaces, and PICs partitioned to CT1 and T1 channels, support an extended BERT period
range, up to 86,400 seconds (24 hours), and have a default BERT period value of 240
seconds.
NOTE: When configuring T1 and CT1 interfaces on 10-port Channelized E1/T1
IQE PICs, the bert-period statement must be included at the [edit interfaces
ct1-fpc/pic/port] hierarchy level.
NOTE: When configuring CT1 interfaces on the 16-port Channelized E1/T1
Circuit Emulation MIC (MIC-3D-16CHE1-T1-CE), you must include BERT
configuration options at the [edit interfaces ct1-fpc/pic/port] hierarchy level.
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
(1 error per bit) to 10
–7
(1 error per 10 million bits).
algorithm is the pattern to send in the bit stream. On T1 interfaces, you can also select
the pattern to send in the bit stream by including the bert-algorithm statement at the
[edit interfaces interface-name interface-options] hierarchy level:
[edit interfaces interface-name interface-options]
bert-algorithm algorithm;
For a list of supported algorithms, enter a ? after the bert-algorithm statement; for
example:
[edit interfaces t1-0/0/0 t1-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)
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).
For specific hierarchy information, see individual interface types. For information about
running the BERT procedure, see the CLI Explorer.
Related
Documentation
Configuring E1 BERT Properties on page 165•
169Copyright © 2017, Juniper Networks, Inc.
Chapter 5: Configuring E1 and T1 Interfaces