A loopback test causes network performance to deteriorate. If a large number of test packets are sent, bandwidth of other services is occupied. You are advised to disable the MAC swap loopback function immediately after the test is complete.
The system view is displayed.
The interface view is displayed.
The MAC swap loopback function is disabled.
The loopback swap-mac stop command is a one-time command and is not saved in the configuration file.
A MAC swap loopback test stops when you disable the MAC swap loopback function or the loopback test times out. To perform the loopback test again, run the loopback swap-mac start command.