dos 固定ip命令
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netsh interface ip set address name="本地连接" source=static addr=192.168.30.55 mask=255.255.255.0 gateway=192.168.30.254 1
netsh interface ip set dns name="本地连接" source=static addr=1114.114.114.114 register=PRIMARY
netsh interface ip add dns name="本地连接" addr=202.96.134.133 index=2
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