From: James Ventre (messageboard@ventrefamily.com)
Date: Fri Nov 18 2005 - 13:05:25 GMT-3
http://www.certificationzone.com/cisco/newsletter/SL/nla_11-30-04_newage.html
Table 25. VTP Version 2 Functionality differences with Version 1
VTP Functionality
Support/Processing in Version 2
Token Ring
Token Ring Bridge Relay Function (TrBRF) and Token Ring Concentrator
Relay Function (TrCRF) VLAN are supported
Unrecognized Type-Length-Value (TLV)
In V2, a server will propagate TLVs even those it does not understand. It
also saves them in NVRAM when the switch is in VTP server mode. This
could be useful if not all devices are at the same version or release
level.
Version-Dependent Transparent Mode
Version 1 supports multiple domains while Version 2 supports only 1.
Normal behavior for V1 would be to forward messages only if they match
the destination domain name and version. VTPv2 does not do this check
before forwarding.
Consistency Checks
VTPv1 does more consistency checking on messages, which can add overhead.
As long as the MD5 digest on a message is correct, VTPv2 will forward it.
VTPv2 will consistency-check new configuration information added through
the configuration editor, Cluster Management Software or SNMP.
Dennis J. Hartmann wrote:
Does anyone know of any enhancements in VTP version 2 (other than token
ring support)?
I believe this is the only enhancement from VTP version 1.
Dennis J. Hartmann
White Pine Communications dh8@pobox.com
CCSI#23402 / CCVP / CCIP / CCNP
Cisco Optical, VPN & IDS Specialist
MCSE
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