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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>We see the same thing with the mac on both vlans. Curiously
though, it doesn’t always happened. It took us a long time to figure out why
port security was shutting down random ports.<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>
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<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><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>Lelio Fulgenzi<br>
<b>Sent:</b> Thursday, March 12, 2009 2:09 PM<br>
<b>To:</b> STEVEN CASPER<br>
<b>Cc:</b> Cisco VOIP<br>
<b>Subject:</b> Re: [cisco-voip] Voice in VLAN 1<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;
font-family:"Verdana","sans-serif";color:black'>You'll see the phone's MAC
address appear in both VLANs. This is normal. Well, it's been normal for about
8 years for us. ;)<br>
<br>
You'll want to consider moving the voice out of VLAN 1 though. It's the default
VLAN when trunking, etc breaks and will likely be flooded with network
management type traffic.<br>
<br>
<br>
---<br>
Lelio Fulgenzi, B.A.<br>
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1<br>
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)<br>
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<br>
"Bad grammar makes me [sic]" - Tshirt<br>
<br>
<br>
----- Original Message -----<br>
From: "STEVEN CASPER" <SCASPER@mtb.com><br>
To: "Cisco VOIP" <cisco-voip@puck.nether.net><br>
Sent: Thursday, March 12, 2009 2:31:47 PM GMT -05:00 US/Canada Eastern<br>
Subject: [cisco-voip] Voice in VLAN 1<o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>We have taken over a group of sites that have both the PCs and
Cisco phones in VLAN 1. I know this is not a good idea. As part of our
conversion one option being looked at is temporarily moving the data to a new
VLAN 50 and leaving the phones in VLAN 1. Testing this I see the phone is now
in both VLANs. The phone and PC seem to be working fine still I think that this
may not be a valid config option and I am feeling very leery about this
option. Opinions would be welcome. Here is what I got:<o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'> <o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>interface FastEthernet0/19<br>
switchport access vlan 50<br>
switchport voice vlan 1<br>
spanning-tree portfast<o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'> <o:p></o:p></span></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;
font-family:"Verdana","sans-serif";color:black'>Vlan Mac
Address
Type Ports<br>
---- -----------
-------- -----<br>
1 001f.6c80.a7a5
DYNAMIC Fa0/19<br>
50 001f.6c80.a7a5
DYNAMIC Fa0/19<o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'> <o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'> <o:p></o:p></span></p>
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<div>
<p class=MsoNormal><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:"Verdana","sans-serif";
color:black'> <o:p></o:p></span></p>
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<pre><span style='color:black'>************************************<o:p></o:p></span></pre><pre><span
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style='color:black'>************************************<o:p></o:p></span></pre>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'><br>
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