PurposeCommand or Action
Device(config)# banner login $
the Return key. The delimiting character
signifies the beginning and end of the banner
Access for authorized users only.
text. Characters after the ending delimiter are
discarded.
Please enter your username and
password.
$
message—Enters a login message up to 255
characters. You cannot use the delimiting
character in the message.
Returns to privileged EXEC mode.end
Example:
Step 4
Device(config)# end
Verifies your entries.show running-config
Example:
Step 5
Device# show running-config
(Optional) Saves your entries in the
configuration file.
copy running-config startup-config
Example:
Step 6
Device# copy running-config
startup-config
Managing the MAC Address Table
Changing the Address Aging Time
Follow these steps to configure the dynamic address table aging time:
Procedure
PurposeCommand or Action
Enables privileged EXEC mode.enable
Step 1
Example:
• Enter your password if prompted.
Device> enable
Enters global configuration mode.configure terminal
Example:
Step 2
Device# configure terminal
System Management Configuration Guide, Cisco IOS XE Bengaluru 17.4.x (Catalyst 9400 Switches)
26
Administering the Device
Managing the MAC Address Table