Administrator Guide

Switch Management Commands 2192
Use the no terminal monitor command to disable the display of system
messages on the terminal for Telnet and SSH sessions. Use the logging
monitor command to display logging messages in a Telnet or SSH session.
Terminal monitor and logging monitor are enabled on console sessions by
default.
Example
This example enables the display of system messages and logging messages on
the current telnet session.
console#terminal monitor
console#configure
console(cinsfig)#logging monitor