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<p class=MsoNormal>After implementing the last Cisco VoIP solution for our
offices, I’ve stumbled across a problem with machines (all Windows) that
occasionally drop their network connection just briefly every couple of hours.
While this normally wouldn’t be a problem, it is for us because we
redirect several of the default Windows folders to a Windows server. When
the connection drops, Windows loses these folders and you have to log off/log
on to get them back.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Looking into the Event Properties of various windows
machines, it intermittently gets a DHCPNACK message from another DHCP
server. Unfortunately, that DHCP server is the DHCP pool I set up on the
CME.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>One of the Ethernet ports on the CME is configured for the
data VLAN. This is connected to our switch with only the data VLAN being
shown when I perform a show spanning-tree on that interface.<o:p></o:p></p>
<p class=MsoNormal>The other Ethernet port is strictly configured for the voice
VLAN and displays only the voice VLAN in a show spanning-tree on that
interface.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Each PC port has both the data VLAN & voice vlan defined
in the configuration w/ the phone containing “switchport voice vlan 100”.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Do you guys have any suggestions on why the Windows machines
are trying to pull an IP from the Cisco DHCP server I set up for the phones?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks in advance.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:#717074'>Hyoun Kim</span></b><b><span style='font-size:10.0pt;font-family:
"Verdana","sans-serif";color:#7FA2B8'> •</span></b><b><span
style='font-family:"Verdana","sans-serif";color:#717074'> </span></b><span
style='font-size:8.0pt;font-family:"Verdana","sans-serif";color:#717074'>Network
Administrator I – East Division</span><span style='font-family:"Verdana","sans-serif";
color:#717074'><o:p></o:p></span></p>
<p class=MsoNormal align=right style='text-align:right'><span style='font-size:
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style='font-family:"Verdana","sans-serif";color:#7FA2B8'>• </span></b><span
style='font-size:8.0pt;font-family:"Verdana","sans-serif";color:#717074'>Suite
80</span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:#717074'> </span><b><span style='font-family:"Verdana","sans-serif";
color:#7FA2B8'>• </span></b><span style='font-size:8.0pt;font-family:
"Verdana","sans-serif";color:#717074'>Murfreesboro, TN 37129</span><span
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:#717074'><o:p></o:p></span></p>
<p class=MsoNormal align=right style='text-align:right'><span style='font-size:
10.0pt;font-family:"Wingdings 2";color:#717074'>'</span><span style='font-size:
8.0pt;font-family:"Verdana","sans-serif";color:#717074'> 615.217.6245</span><span
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:#717074'> </span><b><span
style='font-family:"Verdana","sans-serif";color:#7FA2B8'>• </span></b><span
style='font-size:10.0pt;font-family:"Wingdings 2";color:#717074'>'</span><span
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:#717074'> </span><span
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style='font-size:8.0pt;font-family:"Verdana","sans-serif";color:#717074'>615.217.6255</span><span
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:#717074'> </span><b><span
style='font-family:"Verdana","sans-serif";color:#7FA2B8'>• </span></b><span
style='font-size:10.0pt;font-family:Wingdings;color:#717074'>*</span><span
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:#717074'> </span><span
style='font-size:8.0pt;font-family:"Verdana","sans-serif";color:#717074'><a
href="mailto:Hyoun.Kim@chartercom.com"><span style='color:blue'>Hyoun.Kim@chartercom.com</span></a></span><span
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:#717074'><o:p></o:p></span></p>
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