VLAN Trunking Protocol: Difference between revisions

Revision as of 03:02, 10 November 2007

Revision as of 21:01, 22 November 2007

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Another problem can happen when you are inserting a switch with a different VTP ___domain name.

[[Image:Vtp.JPG‎ ]]

As you can see in the image above switch B is on a different VTP ___domain than A and C. If on switch A more [[VLAN]]s were added switch C wouldn't get the update because switch B would drop all the messages. To fix this, if you want to add switch B into the same cloud as the others then you would have to change the ___domain name to [[Cisco]] and then they would all synchronize to switch A. But you would have to re add any [[VLAN]]s deleted on switch B.

==References==

{{reflist}}

<references/>

==See also==

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*[http://www.cramsession.com/articles/files/vlan-trunking-protocol-ba-9172003-0937.asp VLAN Trunking Protocol Basics - Adminstering VLANS using VTP]

*[http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/122sx/swcg/vlans.htm#wp1020364 How to configure VLANs on the Catalyst 6500 series switches.]

[[Category:Cisco protocols]]

[[Category:Ethernet]]