本地TTL或OMC执行均可以 需确保有PPP0 即网络正常 控制器升级指令: route add -net 218.205.210.215 netmask 255.255.255.255 dev ppp0;cd /tmp;wget http://218.205.210.215:6001/SC2guangfudiegaung63_mq/dpc_upgrade.tar.gz;killall dgm_ser; 查看升级进度 cat /tmp/PowerBoardInfo.txt 中断升级指令 场景1: killall dgm_ser 场景2: reboot