NEVER use the “no exec-timeout” command!

Published on by dellpe

When configuring a cisco router or switch, you may have been told that you can stop your console or telnet sessions from timing out by using the following configuration:

line con 0  !(or line vty 0 4)
 no exec-timeout     !DON'T DO THIS!

NEVER issue the command “no exec-timeout” – instead it is much safer to use “exec-timeout 0″, because people make mistakes when typing “no exec-timeout” and end up with “no exec”, which means “do not run the Cisco IOS, for example Cisco 2900 exec under this setting”. It can be used as a way of totally disabling the AUX port, (under line aux 0) or even disabling telnet (under line vty 0 4)

line con 0  !(or line vty 0 4)
 exec-timeout 0     !Much safer

Published on cisco router

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