Re: Strange kernel reports...

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Hello!

> Oct  2 13:09:53 castle kernel: TCP: peer shrinks window. Bad, what else can I 
> say?

Please, try to catch this with tcpdump.


> 1. What could cause such messages;

Window scaling is the only known reason.


> 2. How to fix that.

If it is due to window scaling, it is harmless.


> 3. Could it be somehow related to iptables packet filtering rules 

Unlikely.


> 4. Now I have approx. 5% packet coalisions on eth0 interface, but I haven't 
> any when eth0 wasn't aliased. What could it be wrong there?

Nothing. The connection is absent, it is wrong impression, I think.

Alexey
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