| | VTP
- VTP domain name max 32 characters, case-sensitive
- VTP default mode is server
- VTP can not be "switched off" except by using the
"vtp mode transparent", which does not
participate in VTP anymore, but forwards VTP messages out of all trunk ports.
- VTP can only be sent over trunk ports (logically ...)
- VTP packets are sent over native VLAN
- show vtp status
Careful!!
in the first line it may say
"VTP version : 2", but
further down it may say
"VTP V2 Mode : Disabled"
VTP server
- vtp mode server
vtp doamin
DomainName
- Careful about revision number!! A client with the same domain name a
higher revision number than the server can overwrite the VLAN information on
the VTP server!
- Reset revision number: Assign new domain-name.
VTP client
- vtp mode client
vtp domain
DomainName
- Careful about revision number on client (when switch was already
previously configured/used)!
- No VLAN creation or deleting possible on client, has to be done on
server.
VTP transparent
- vtp mode transparent
vtp domain
DomainName (optional)
- vtp version 2 can be
important, since VTP v1 only forwards VTP packets that come from a server that
has the same domain name as the transparent switch.
So either put the
transparent switch into the same domain as the server/clients, or make the
transparent switch VTP V2.
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