> found that I received 2 ack packets when sent data to embedded device.
> Does It mean one ack packet is not necessary and
> the embedded device's tcp stack is broken?
>
> thanks,
> --hwh
>
>
> 16:58:08.448730 192.168.168.137.1693 > 211.96.21.220.9742: P 1:22(21) ack 1
> win 65535 (DF)
>
hi,
I use FreeBSD(192.168.168.137) connect one embedded
device(211.96.21.220). using tcpdump dump network traffic,
found that I received 2 ack packets when sent data to embedded device.
Does It mean one ack packet is not necessary and
the embedded device's tcp stack is broken?
thanks,
--hwh
#tcp
