Go CCIE Go!! - A Cisco Certified Internetwork Expert

Port-security works on trunk ports as well according to the docs (link below, haven’t tried it yet, have to lab that up at home). Let me rephrase the question.
Did Cisco just not bother to implement port-security interoperability with DTP, or is there a specific reason that the two don’t go together?
I can see that having port-security set on an edge port that gets flipped to a trunk port would be a Bad Thing [TM], but maybe there’s something really cool that I don’t even know about.
http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12 ..2_40_se/configuration/guide/swtrafc.html#wp1038546
With a few exceptions, secrecy is deeply incompatible with democracy and with science. –Carl Sagan
Date: Wed, 30 Jan 2008 07:53:52 +0200 From: shiranp3@gmail.com To: ktokash@hotmail.com Subject: Re: DTP vs port-security CC: ccielab@groupstudy.com
DTP = Dynamic Trunking Protocol
Port Security work only on ACCESS ports so it do not support and do not need to support DTP, you must set the interface statically to Access Mode and preferably also turn off the DTP with “Switchport nonegotiate”

On Jan 29, 2008 7:23 AM, keith tokash wrote:
I get that port-security is incompatible with DTP, so one must manually specify the interface mode. But I can’t find anything relating why that’s the
case. I don’t know, maybe I’m a doof, but I don’t see a clear connection. Can anyone help a fella who’s down on his luck?
With a few exceptions, secrecy is deeply incompatible with democracy and with
science. –Carl Sagan _________________________________________________________________ Climb to the top of the charts! Play the word scramble challenge with star power. http://club.live.com/star_shuffle.aspx?icid=starshuffle_wlmailtextlink_jan