Trunk Link Required for VTP/STP ?

Unanswered Question
Aug 30th, 2007
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Does VTP require that a switch-to-switch link is configured as a trunk link rather than an access link ? Or can it send its advertisements over an access (non-trunk) link ?


And how about Spanning Tree Protocol (STP) ? Does it require a trunk between two switches before it can transmit the BPDU frames between them ?


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avmabe Thu, 08/30/2007 - 09:12
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I would recommend that if you want to pass vlans in between switches to, yes, use trunk links. This is a good design practice and everything will function correctly if done this way (VTP, STP, etc).


Also, don't forget to configure the root bridge properly for each vlan used.

pkaretnikov Thu, 08/30/2007 - 09:22
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VTP requires a trunk to pass it's information along.



Paul

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