Mtr command is not working through commnd line interface. It is available in help menu. But it is not available to run.
mtr Network diagnostic tool that combines functionality similar to
traceroute and ping
Login to command line through SSH using admin.
run command mtr
server_name> mtr
-rbash: mtr: command not found
Symantec is aware of the issue, and we will be removing this in upcoming release of Symantec Messaging Gateway. And we will be removing this from help Menu.
Please utilize traceroute or ping as a alternate.