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Well, in a way it's true...<br />
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You can't turn VTP off. The closest you can come to turning off VTP is to set it to transparent mode.<br />
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-Don<br />

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Well, in a way it's true...

You can't turn VTP off. The closest you can come to turning off VTP is to set it to transparent mode.

-Don


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Thanks Don. &nbsp;On another note, what happens if you run different IOS versions on your switches. Will it effect anything?
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Thanks Don.  On another note, what happens if you run different IOS versions on your switches. Will it effect anything?

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My cisco book is making it sound like you MUST run VTP if you have multiple VLANs spanning over multiple switches. Is this true? &nbsp; I'm running IOS 11.2 (8) SA4 enterprise edition. &nbsp; <br />
<br />
ps: What happens if you mix and match IOS's ? &nbsp;Some support VTP while others dont right?
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My cisco book is making it sound like you MUST run VTP if you have multiple VLANs spanning over multiple switches. Is this true?   I'm running IOS 11.2 (8) SA4 enterprise edition.   

ps: What happens if you mix and match IOS's ?  Some support VTP while others dont right?

Is VTP mandatory to run if you have multiple switches and multiple VLANs?

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