[cisco-voip] PC Port on Phone Fails During Large Data Transfer

Tue Feb 24 10:48:41 EST 2009

 Has anyone run across the following scenario - 
 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.
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.
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