C
HAPTER
42
| OAM Commands
– 1367 –
efm oam
remote-loopback
This command starts or stops OAM loopback test mode to the attached
CPE.
SYNTAX
efm oam remote-loopback {start | stop} interface
start - Starts remote loopback test mode.
stop - Stops remote loopback test mode.
interface - unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-28)
DEFAULT SETTING
None
COMMAND MODE
Privileged Exec
COMMAND USAGE
â—† OAM remote loop back can be used for fault localization and link
performance testing. Statistics from both the local and remote DTE can
be queried and compared at any time during loop back testing.
â—† Use the efm oam remote-loopback start command to start OAM
remote loop back test mode on the specified port. Afterwards, use the
efm oam remote-loopback test command (page 1368) to start sending
test packets. Then use the efm oam remote loopback stop
command to terminate testing (if test packets are still being sent) and
to terminate loop back test mode.
â—† The port that you specify to run this test must be connected to a peer
OAM device capable of entering into OAM remote loopback mode.
During a remote loopback test, the remote OAM entity loops back every
frame except for OAMPDUs and pause frames.
â—† During loopback testing, both the switch and remote device are
permitted to send OAMPDUs to the peer device and to process any
OAMPDUs received from the peer.
EXAMPLE
Console#efm oam remote-loopback start 1/1
Loopback operation is processing, please wait.
Enter loopback mode succeeded.
Console#
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