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6678 用UDP协议单次最大能发送多少字节?



在6678上用NDK配置UDP协议,单次发送小于2048字节时能正常发送,但大于2048后不能正常发送。

在IP层里修改发送缓冲区为8192字节还是不行。请问这是6678的问题还是NDK的问题,怎么配置才能满足要求?

另外,在6678上UDP单次最大能发生多少字节?