Difference between VTP versions
VTP version 1:
- Supports normal VLAN numbers (1-1001)
- Supports pruning of unused VLANs (no longer sends broadcasts and unknown unicasts
- supports cleartext and MD5 digest password
VTP version 2:
- Forwards the VTP messages without checking the version number or domain in transparent mode
- Supports Token Ring
- Performs consistency check on the VTP / VLAN parameters (from CLI or SNMP)
- Pass on Unrecognised TLVs
VTP version 3:
- Supports extended VLAN numbers (1-4095)
- Transfer information regarding Private VLAN structure
- Support for databases other than VLAN (for example MST)
- Protection from unintended database overrides during insertion of new switches
- Hidden password protection
Network and CyberSecurity Professional 