Questions tagged [tcp-window]
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8 questions
0 votes
1 answer
907 views
What factors determine the TCP window size?
We have a network throughput issue, but cannot find a bottleneck. We have spent four weeks looking at router logs, FW logs, and monitoring and we are now looking into the TCP window size on client. ...
- 375
1 vote
0 answers
3k views
windows server 2012 tcp window not scaling
I've got 2 windows 2012 servers that limit connection speed to anywhere from 1-3mBps and it seems to be related to tcp window scaling. Both servers have these settings TCP Global Parameters --------...
- 21
35 votes
4 answers
32k views
Receiver limits TCP window size to 64,512
Facts (please identify any false statements): I have a 100 Mbps connection between two sites that are 80 ms apart This is a long fat connection that could benefit from a large TCP window size perhaps ...
- 351
3 votes
1 answer
4k views
TCP Window size increases drastically and sender don't send until the receive buffer is not empty
I have a download stream over TCP in an application (running on Win2k12). The problem is that the connection gets closed by the sender because it times out. I used wireshark to see what happens on ...
- 131
6 votes
3 answers
14k views
How to prevent TCP ZeroWindow on writing a large file to a Windows share?
I've been given access to a share on a Windows Server 2003 SP1 system (10.a.bbb.ccc) which is a file and printer server, and regularly large files get copied to that share. However, occasionally such ...
7 votes
3 answers
3k views
TCP Window Scaling for Satellite Connections
A satellite connection generally has a RTT around 500ms. Connections generally suffer sub-optimal transfer speeds, in spite of large amounts of bandwidth because TCP acknowledgements take too long to ...
- 309
5 votes
1 answer
15k views
TCP Windows Size vs Socket Buffer Size on Windows
I am new to Windows networking. When people talk about TCP tuning on Windows platform, they always mention about TCP Window Size. I am wondering whether Windows uses the concept of "Socket Buffer Size"...
- 623
1 vote
2 answers
6k views
Shrinking TCP Window Size to 0
Having an issue with any large file transfer that crosses our Cisco ASA unit come to an eventual pause. Setup Test1: Server A, FileZilla Client <- 1GBPS -> Cisco ASA <- 1 GBPS -> Server B, ...
- 143