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C6657 NDK UDP无法接收大于1468字节的UDP包



使用NDK中的示例工程Helloworld_evmc6657l,没有做任何修改,PC机向DSP发UDP包,当UDP数据的长度小于等于1468时,DSP可以正常接收并返回收到的数据,只要超过这个长度,如1469个字节,DSP就接收不到。请问是哪里设置不对?

PING包也存在同样的问题:

ping -l 1468 192.168.9.209;//工作正常

ping -l 1469 192.168.9.209;//请求超时

NDK:2.25.1.11

SYS/BISO:6.46.4.53

XDCtools:3.32.1.22_core