vtp client failing to update

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May 1st, 2008
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What would be the main reason for vtp client failing to update? It has the right domain name and a lower revision number. The server mode switch is directly connected. The client side, a 3640 router, has just an ip address, and the server side, a 3550 switch is set to mode dynamic desirable. Why might be the problem?

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spfister336 Thu, 05/01/2008 - 07:11
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Yes, it is. Up to this point, none of the vlans from that site have ever been needed elsewhere, but I'm on a project now to change that. Ip connectivity has been fine, but now I need it to pass vlan info.

glen.grant Thu, 05/01/2008 - 07:23
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Unless the 3640 router has a switch module installed and the connection from the 3640 to the 3550 is setup as trunk it does not use vtp .Normally a trunk between a router and a switch is forced on thus does not use vtp .

spfister336 Thu, 05/01/2008 - 07:37
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So is there any way to pass vlan informatin through this router?

mahmoodmkl Thu, 05/01/2008 - 07:58
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No as the layer 2 broadacst domains are not allowed to span from the layer 3 devices.




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