Do I need just one cable or two? thank you.

how can i undelete or recovered deteled boot flash file.my catalyst 2900 xl prompt now isswitch:thank you

when I do show vtp status, i get the following:VTP Version : 2Configuration Revision : 63Maximum VLANs supported locally : 254Number of existing VLANs : 11VTP Operating Mode : ClientVTP Domain Name ...

trying to upgrade cat'os on a 4000 series switch. But I am getting the Device bootflash is full. I deleted the old image but I still get the message. can anyone help??

Does anyone know/has where I can get the steps to convert catos to ios for a 4000 series catalyst.I searched everywhere no luck so far.thank you