Delay / idle time in file transfer.

asked 2021-12-25 20:38:33 +0000

Broko gravatar image

Hello gurus

Hope you guys can help answering my question.

What could have caused the 4 sec. delay / idle time between these packets? The throughput drops to 0 within this timeframe.

This is a 45mb upload.

Your help would be appreciated.


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Analyzing TCP from a screenshot is next to impossible. Could you share a pcap file (following these guidelines regarding anonimization:

SYN-bit gravatar imageSYN-bit ( 2021-12-26 09:07:51 +0000 )edit

It is not in the picture. Any idea what was going on with the server side (port 443), with the TCP window size? Window size is down to 1271, or is that a false because Window Scale is enabled?

BigFatCat gravatar imageBigFatCat ( 2021-12-27 05:51:02 +0000 )edit