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EK-TM4C1294XL网络问题



如上面两张图,通过计算机发ping命令,板子正常受到命令,在回复的ping命令的时候,通过网络抓包工具发现ICMP的校验不正确,但是我已经正确填充了校验和

如图所示Keil中显示为0x5088,但是抓包工具显示为0x0000,此ping回显包其它数据均正确。有可能是什么原因?