Dell PowerEdge M420 Reference Manual page 1543

cut-through mode
Use the cut-through mode command to enable the cut-through mode on the
switch. The mode takes effect on all ports on next reload of the switch. To
disable the cut-through mode on the switch, use the no form of this
command.
Syntax
cut-through mode
no cut-through mode
Default Configuration
This command has no default configuration.
Command Mode
Global Configuration
User Guidelines
No specific guidelines.
Example
console(config)#cut-through mode
The mode (enable) is effective from the next reload of
Switch/Stack.
exec-banner
Use the exec-banner command to enable exec banner on the console, telnet
or SSH connection. To disable, use the no form of the command.
Syntax
exec-banner
no exec-banner
MESSAGE — Quoted text
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System Management Commands