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Date: Tue, 22 Nov 2011 16:17:31 +0100
From: Bas Smeelen <b.smeelen@ose.nl>
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Subject: 9.0-PRERELEASE slow scp transfer
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Hi

I have a stange thing.

1. 7.3-RELEASE-p2 on dell poweredge SC440 with bge nic
2. 9.0-PRERELEASE on another dell poweredge SC440 bge nic
3. 7.4-RELEASE-p4 in a vmware virtual machine with em nic

When i copy a file with scp which is a few hundred megabytes on 1. from 2.
or from 3. i get about 10MB/s
When i copy a filewith scpwhich is a few hundred megabytes on 3. from 1. or
from 2. i get about 10MB/s
When i copy a file with scpwhich is a few hundred megabytes on2. from 3.i
get about 10MB/s
When i copy a file with scp which is a few hundred megabytes on2. from 1.i
get about 130 KB/s

I can find nothing in the logs or netstat errors on this 9.0-PRERELEASE box.
I have switched network kabels and ports on the switch.

How could i further investigate?

Thanks in advance



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