FC2 - Strange Ethernet Behavior

Gene Yoo gyoo at comcast.net
Wed Aug 18 22:27:31 UTC 2004


 
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> As promised, here's some cleaned-up output from tethereal 
> during a test download from the web.  I've obsured the local 
> IP in question and have deleted entries that were unrelated 
> local traffic.
> 
> Packet sequence ID's 97-179 ought to jump out at somebody.  
> That is definitely the moment of connection speed loss.  Of 
> course, I have no idea what to do about it, which is why I'm 
> here in the first place.  :)
> 
> Attached as capture6.txt
> 
> Further info: similar behavior from a large mysql transaction to
> the  server being tested above, inside the LAN.   However, no such 
> behaviour 
> on a large file (100MB) copy over Samba 3 from a win host to 
> a share on the target machine.  That wored fine, blazing 
> speed.  Most odd.

You mentioned that your nic is going in/out of promiscuous mode, have
you tried using mii-tool:

#mii-tool -F 100BaseTx-FD eth0

- --
Gene

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