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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I believe that’s the way cisco sells it (although I seem to
remember it also behaving like a hub for some things, can’t remember what
though). Either way though, the ports are going to negotiate only to their
adjacent ports, not through a hub. You should be ok to leave the pc side alone,
but set the switch to auto/auto (from your drawing from before)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> STEVEN CASPER
[mailto:SCASPER@mtb.com] <br>
<b>Sent:</b> Tuesday, February 24, 2009 1:49 PM<br>
<b>To:</b> James Buchanan; cisco-voip@puck.nether.net; Fuermann, Jason; Jason
Aarons (US)<br>
<b>Subject:</b> RE: [cisco-voip] PC Port on Phone Fails During Large Data
Transfer<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'> First of all
thanks to everyone for your responses, this is a great group and I have
found it to be a very valuable resource.<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'> Now....isn't
the switch in an IP telephone a true switch and not a hub? So if the phone
port that goes to the closet switch is set to auto and the closet switch
port is set to auto it should negotiate and transmit data independently of the
PC port which is hard coded to 100/Full to match the 1000's of NIC cards that
we have out there that are already set that way?<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'> <o:p></o:p></p>
</div>
<div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#006600'>Please
consider the impact on our environment before printing this e-mail.</span> <o:p></o:p></p>
</div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><br>
<br>
>>> "Jason Aarons (US)" <jason.aarons@us.didata.com>
2/24/2009 2:39 PM >>><o:p></o:p></p>
</div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Cisco’s recommendation with technical explanations<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><a
href="http://www.cisco.com/en/US/tech/tk389/tk214/technologies_tech_note09186a0080094781.shtml">http://www.cisco.com/en/US/tech/tk389/tk214/technologies_tech_note09186a0080094781.shtml</a><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On
Behalf Of </b>Fuermann, Jason<br>
<b>Sent:</b> Tuesday, February 24, 2009 1:52 PM<br>
<b>To:</b> 'STEVEN CASPER'; James Buchanan; cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] PC Port on Phone Fails During Large Data
Transfer<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>WHOA, that’s some weird setup.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Everything should work fine on auto/auto. If not both sides of
the link need to at least match, or you will get duplex mismatches which will
cause a lot of problems<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On
Behalf Of </b>STEVEN CASPER<br>
<b>Sent:</b> Tuesday, February 24, 2009 12:12 PM<br>
<b>To:</b> James Buchanan; cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] PC Port on Phone Fails During Large Data
Transfer<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'>This is our
standard at the moment<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'>Switch
---------Phone Switch Port---------Phone PC Port------- PC NIC<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'>Auto/Full
Auto/Auto
100/Full
100/Full <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'>There is a long
convoluted history behind these settings but we have not had any issues until
recently.<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'> <o:p></o:p></p>
</div>
<div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#006600'>Please
consider the impact on our environment before printing this e-mail.</span> <o:p></o:p></p>
</div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><br>
<br>
>>> "James Buchanan" <jbuchanan@ctiusa.com> 2/24/2009
12:07 PM >>><o:p></o:p></p>
</div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>When you hardcoded to 100/Full, did you hardcode on the switch
end and inside the phone?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On
Behalf Of </b>STEVEN CASPER<br>
<b>Sent:</b> Tuesday, February 24, 2009 9:49 AM<br>
<b>To:</b> 'cisco-voip@puck.nether.net'<br>
<b>Subject:</b> [cisco-voip] PC Port on Phone Fails During Large Data Transfer<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Has anyone run
across the following scenario - <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> When large
amounts of data are transferred between an IP Phone and an attached PC such as
during a Microsoft Office update the update fails. When the failure occurs the
phone shows the status of port 2 (PC Port) as no link. it was working fine
prior to the update starting. This fails consistently when the phone PC port and
the PC NIC is set for 100/full, always seems to work when both are set to
Auto/Auto or when the phone is bypassed and the PC is plugged directly into the
switch port.<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Tried multiple
phones 7941/61/11s. Current phone under test is running phone load is
41.8-3-3SR2S and we are connected to a 3750 running 12.2.25 SEE2. Going to do
more testing but wondering if any one else may have run across this.<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Thanks<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Steve<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#006600'>Please
consider the impact on our environment before printing this e-mail.</span><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <o:p></o:p></span></p>
</div>
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