2、LED熄灭之后释放Mode按钮。C2955BootLoader(C2955−HBOOT−M)Version12.1(0.0.514),CISCODEVELOPMENTTEST VERSION CompiledFri13−Dec−0217:38byMadisonWS−C2955T−12starting... InitializingFlash...Bootswitch:接下来输入flash_init命令,Switch:flash_initInitializingFlash...switch:接着输入load_helper命令,Switch:load_helper再输入dirflash:命令显