Re: Switch fastethernet ports flapping up and down
I got the reason for your switchport flaps. Bydefault all ports on 3550 are in dynamic desirable mode which is creating a flap because dynamic desirable mode negoitates to form a trunk and because the device connected to this does not support trunk it is flapping.
Configure this and you will be good to go
switchport mode access
Apply the config for all the ports which are connected to your end stations and it will be stable then.
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.