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我的板子是dsp与FPGA都连到网络交换芯片上,用wireshark抓包,发现dsp程序一开始运行后有的时候wireshark能抓到DSP发送的ARP包,此时DSP与PC间能正常网络通信;但wireshark有的时候抓不到DSP发送的ARP,这个时候PC就ping不通DSP,此时wireshark上显示who is X.X.X.X但DSP没有回应。而我试了FPGA,用wireshark抓包也是有时抓不到FPGA发送的ARP包,PC ping FPGA后,此时wireshark上也显示who is X.X.X.X,不过FPGA会回应,然后就能ping通。是不是DSP的ndk程序底层没有这种回应程序?