•By default vtp mode is server,
management domain is NULL, and there is no password.
•If a switch receives
a VTP summary advertisement on a trunk port from any other switch, it will
automatically learn the VTP domain name, VLANs and the configuration revision
number it hears.
•Before you add a
switch to the network, verify that the revision number is set to 0 “show vtp status”
•There is two ways to
configure VTP:
–Global
config mode
–vlan database mode mostly
deprecated
To join a specific
VTP management domain, you have to “vtp domain domain-name
Configuring the VTP
mode:
–Server
mode: multiple VTP servers can coexist in a domain. The servers do not elect
primary or secondary, if one server is configured with a new VLAN or VTP
parameter, it advertises the changes to the rest of the domain. All other
servers synchronize the VTP databases to this advertisement just as any VTP
client would
–Client
mode: if you want to configure a as VTP server, you start it as a client to
learn the latest changes, than you configure it in server mode.
–Transparent
mode: this mode is used if a switch will not share the VLAN information with
any other switch in the network. VLAN can still be created, deleted or
modified, but they are not advertised, however VTP advertisement received by a
transparent switch are forwarded out trunk links. Keeping switches in
transparent mode can eliminate the chance for duplicate over-lapping VLANs in
large network with many network administrators
–“vtp mode {server |
client | transparent}
–Vtp password password
On some IOS, you can turn vtp off, by using the command vtp off command. This command allows the switch to act the same as if it is in a vtp transparent with the addition that the switch doesn't forward vtp advertisement on trunk links.
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On some IOS, you can turn vtp off, by using the command vtp off command. This command allows the switch to act the same as if it is in a vtp transparent with the addition that the switch doesn't forward vtp advertisement on trunk links.
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