BES-53248 エラー ! ダウンロードしたファイルの読み取り中

 (sw2)#copy http://server:8080/BES-53248_v2.01_sw2.txt nvram:script BES-53248_v2.01_sw2.scr Mode........................................... HTTP Set Server IP.................................. 1.2.3.4:8080 Path........................................... ./ Filename....................................... BES-53248_v2.01_sw2.txt Data Type...................................... Config Script Destination Filename....................................... BES-53248_v2.01_sw2.scr Management access will be blocked for the duration of the transfer Are you sure you want to start? (y/n) y HTTP Configuration Script transfer starting... Validating configuration script... Configuration script validated. Error! in reading downloaded file. File transfer failed!