That's an excellent suggestion for cases in which, for whatever reason, you can't just outright disable telnet. I've never seen it done and a good method doesn't come straight to mind. Perhaps some sort of EEM script triggering on a telnet line becoming active?
Personally, Ijust configure all vty lines to only allow ssh (and force the switch to ssh v2 only).
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...
Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.