Re: slow tcp on 100mbps wan, strange tcp window behaviour on ubuntu 9.10
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Andres Meyer writes:
I have a strange problem when transmitting from my server to a client. The server does not seem to honor the tcp window advertized from the client, but only sends around 10kB worth of packets without being acked.
If I understand you correctly here, then the client does not send any acks?
Transfer rates over the same interface to another GB LAN box shows ca 870Mbps, but the tcpdump shows the same problem.
If transfers work correctly to another client, my hunch would be it's a problem with the client. Do you have any shaping or firewalling there? Is your hardware functioning properly? No collisions or errors on the interface you're using? Do you have another server from which you can test a transfer to that particular client?
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