Cisco IOS – “configuration not allowed when device is not the primary server for vlan database.”
KB ID 0001127 Problem I was trying to delete a VLAN from a client switch, and this was happening; Core-3560#conf t Enter configuration commands, one per line. End with CNTL/Z. Core-3560(config)#no vlan 30 VTP VLAN configuration not allowed when device is not the primary server for vlan database. Solution Now as far as I was aware there was only one switch, (certainly on this LAN segment anyway). What you need to do is change the VTP...