VTP full form is VLAN Trunking Protocol . It is a Cisco proprietary protocol that propagates the information of Virtual Local Area Networks (VLAN) on the whole local area network. VTP protocol carries VLAN information to all the switches in a VTP domain.VLAN Trunk Protocol (VTP) reduces administration in a Layer 2 network. When you configure a new VLAN on one VTP server, the VLAN is distributed through all switches in the domain. This reduces the need to configure the same VLAN everywhere. VTP protocol is a Cisco-proprietary protocol that is available on most of the Cisco Catalyst series products.
VTP PROTOCOL VERSION DIFFERENTIATION –
While VTP has evolved over time , its key for us to understand how and what are the differentiating parameters of various versions of VTP – (VTP Version 1 , Version 2 and Version 3)
VTP MODES DIFFERENTIATION –
While VTP version 1 and 2 support 3 modes of operation i.e. Server/Client/ Transparent , VTPs latest version 3 has introduced a new mode Off. There are some more