Vtp Configuration Guidelines; Domain Names; Passwords; Vtp Version - Cisco IE 3000 Software Configuration Manual
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Also See for IE 3000:
- Hardware installation manual (186 pages) ,
- Getting started manual (32 pages) ,
- Software configuration manual (874 pages)
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Configuring VTP
VTP Configuration Guidelines
These sections describe guidelines you should follow when implementing VTP in your network.
Domain Names
When configuring VTP for the first time, you must always assign a domain name. You must configure
all switches in the VTP domain with the same domain name. Switches in VTP transparent mode do not
exchange VTP messages with other switches, and you do not need to configure a VTP domain name
for them.
If NVRAM and DRAM storage is sufficient, all switches in a VTP domain should be in VTP server
Note
mode.
Do not configure a VTP domain if all switches are operating in VTP client mode. If you configure the
Caution
domain, it is impossible to make changes to the VLAN configuration of that domain. Make sure that you
configure at least one switch in the VTP domain for VTP server mode.
Passwords
You can configure a password for the VTP domain, but it is not required. If you do configure a domain
password, all domain switches must share the same password and you must configure the password on
each switch in the management domain. Switches without a password or with the wrong password reject
VTP advertisements.
If you configure a VTP password for a domain, a switch that is booted without a VTP configuration does
not accept VTP advertisements until you configure it with the correct password. After the configuration,
the switch accepts the next VTP advertisement that uses the same password and domain name in the
advertisement.
If you are adding a new switch to an existing network with VTP capability, the new switch learns the
domain name only after the applicable password has been configured on it.
Caution
When you configure a VTP domain password, the management domain does not function properly if you
do not assign a management domain password to each switch in the domain.
VTP Version
Follow these guidelines when deciding which VTP version to implement:
•
•
Cisco IE 3000 Switch Software Configuration Guide
14-8
All switches in a VTP domain must run the same VTP version.
A VTP Version 2-capable switch can operate in the same VTP domain as a switch running VTP
Version 1 if Version 2 is disabled on the Version 2-capable switch (Version 2 is disabled by default).
Chapter 14
Configuring VTP
OL-13018-01
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