Re: tcp errors detection

[Martin Visser <martinvisser99 () gmail com>]

Having the same SEQ but different ACKs is not an error or retransmission,
but a normal ACK response if you have nothing new (that is LEN=0)  to send.

Regards, Martin

MartinVisser99 () gmail com


On Sun, Apr 18, 2010 at 10:17 PM, Victor lyamtsev <vlyamtsev () gmail com>wrote:

> Hi,
>
>  how can i locate retransmission error for TCP sequence in wireshark
> capture ?
> Should I look for ACK with repeated sequence number ?
> For example:
>
> [ACK] Seq = 1355 Ack = 13409 ...
> [ACK] Seq = 1355 Ack = 13500
>
> How can i detect checksum errors from the capture ?
>
> Thanks,
> -vvv
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