You need direct access to that switch and need to recycle the switch and hold down the botton in front that should be on the left hand side of the switch as the device is powered back up. once up, you will need to do the following:http://www.petri.c...
Have you setup VTP on these devices!vlan database!vtp domain yourdomainname!vtp domain yourpassword!vtp domain server or client!exit!Have you implemented this management?