Start a bit error rate test (BERT) on a DS0 interface.

test interface ds0-bert-start

Stop a BERT on a DS0 interface.

test interface ds0-bert-stop

Start a BERT on an E1 interface.

test interface e1-bert-start

Stop a BERT on an E1 interface.

test interface e1-bert-stop

Start a BERT on an E3 interface.

test interface e3-bert-start

Stop a BERT on an E3 interface.

test interface e3-bert-stop

Transmit over a facilities data link (FDL) to initiate or terminate a far-end line loopback.

test interface fdl-line-loop

Transmit over an FDL to initiate or terminate a far-end payload loopback.

test interface fdl-payload-loop

Transmit the line loopback activate code word sequence on the interface's far-end alarm and control (FEAC) channel.

test interface feac-loop-initiate

Transmit the line loopback deactivate code word sequence on the interface's FEAC channel.

test interface feac-loop-terminate

Initiate or terminate a far-end line loopback.

test interface inband-line-loop

Initiate or terminate a far-end payload loopback.

test interface inband-payload-loop

Restart auto-negotiation on a Fast Ethernet or Gigabit Ethernet interface.

test interface restart-auto-negotiation

Start a BERT on a T1 interface.

test interface t1-bert-start

Stop a BERT on a T1 interface.

test interface t1-bert-stop

Start a BERT on a T3 interface.

test interface t3-bert-start

Stop a BERT on a T3 interface.

test interface t3-bert-stop