test interface e1-bert-start
Syntax test interface e1-bert-start interface-name
Release Information Command introduced before Junos OS Release 7.4.
Description Start a bit error rate test (BERT) on an E1 interface.
Options interface-name—Interface name: e1-fpc/pic/port or ce1-fpc/pic/port <:channel>
Additional Information Before starting a BERT, you must disable the interface. To do this, include the disable
statement at the [edit interfaces interface-name] hierarchy level. You can run a BERT on
only one interface per PIC at a time.
NOTE: Due to hardware limitations of the framer used in IQ PICs, BERT is not
supported in unframed mode on the interface and may return false positive
results. BERT in unframed mode is supported on Enhanced IQ (IQE) PICs.
Required Privilege
Level
view
Related
Documentation
test interface e1-bert-stop on page 3208•
• test interface t1-bert-start on page 3209
• test interface t1-bert-stop on page 3210
List of Sample Output test interface e1-bert-start on page 3207
Output Fields To display the results of the BERT, use the show interfaces extensive command.
Sample Output
test interface e1-bert-start
user@host> test interface e1-bert-start e1-1/0/0
3207Copyright © 2017, Juniper Networks, Inc.
Chapter 42: Operational Commands
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