VTP

                              VLAN Trunking Protocol (VTP)

VTP is used centralized VLAN management.

                        VTP Modes

Server Mode-

In this mode we can create, modify and delete database & server advertised this database to other switches.

Client Mode-

In this mode client receive database from server mode & also forward update to other switches, its cannot create or delete the VLAN

.

Transparent Mode-

In this mode its forward only VTP summary advertised through trunk.

Its make own database and that database doesn’t forward to other switch.

                            

                                     VTP version  

VTPv1	VTPv2	VTPv3
Token ring doesn’t supported	Token supported	Token supported
Consistency check not supported	Consistency check  supported	Consistency check  supported
Vlan range 1- 1000	Vlan range 1- 1000	Vlan range 1-4094
Private VLAN not Supported	Private VLAN not Supported	Private VLAN Supported
Authentication should be plain text password	Authentication should be plain text password	Authentication should be encrypted password

VTP domain name- Its should be same domain name for all switches.

VTP Pruning- VTP pruning helps improves network performance and network bandwidth by decreasing unnecessary flooded traffic.

VTP pruning allows a switch to learn which VLANs are active on its neighbors, By default VTP pruning is disabled.

VTP password- Its should be same password in every switches.