Default Administrative Mode in VTP?

Unanswered Question
May 4th, 2009
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A simple question.

I read that 2960 switches default to an administrative mode of "dynamic auto", meaning that (if two switches are interconnected) neither switch initiates the trunk negotiation process.

What is the default Administrative Mode for other switches in VTP?

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Edison Ortiz Mon, 05/04/2009 - 16:43
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3560 and 3750 are dynamic auto


Command Reference:

http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_50_se/command/reference/cli3.html#wp1948171


The 6500 and 4500 are dynamic desirable


Command Reference:

http://www.cisco.com/en/US/docs/ios/interface/command/reference/ir_s7.html#wp1013606


and good note as well on this reference:


Cisco Catalyst 6500/6000 Switches


The default mode is dependent on the platform; it should be either dynamic auto for platforms that are intended as wiring closets or dynamic desirable for platforms that are intended as backbone switches. The default for PVLAN ports is that no mode is set.


HTH,


__


Edison.

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