I'm trying to upgrade a 2950T from 12.1(14)EA1a to 1.12(22)EA10a.I dl'd c2950-i6q4l2-tar.121-22.EA10a.tar.In cna, went to Maintenance->Software Upgrade, selected the 2950, and pointed Upgrade Settings to the tar file.Click UpgradeIt get to Reading t...