Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?




Hierarchy Level


Configure the bit error rate to use in a BERT procedure. Applies to E1, E3, T1, or T3 interfaces, and to the channelized interfaces (DS3, OC3, OC12, and STM1).


When configuring CE1 or CT1 interfaces on 10-port Channelized E1/T1 IQE PICs, the bert-error-rate statement must be included at the [edit interfaces ce1-fpc/pic/port] or [edit interfaces ct1-fpc/pic/port] hierarchy level as appropriate.


rate—Bit error rate.

  • Range: 0 through 7, which corresponds to 10–1 (1 error per bit) to 10 –7 (1 error per 10 million bits)

  • Default: 0

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.

Release Information

Statement introduced before Junos OS Release 7.4.