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[Xen-users] my domUs have a slow network rate for outside networks.

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Manuel Mely <mmelyp@xxxxxxxxx>
  • Date: Thu, 29 May 2008 11:44:34 -0400
  • Delivery-date: Thu, 29 May 2008 08:45:38 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>


I have some network problems with my DomUs (etch) on a debian etch running xen 3.0.3. The domain0 is a DL360 G5 with tg3 network card If i download something from outside my dom0 box to a domU, i get this network rate: ~865kbits ... and it must be ~ 10Mbits, i think.
Doing some tests with iperf i get this:

[  4] local outside_server port 5001 connected with _domU_ port 54889
[  4]  0.0-10.3 sec  4.51 MBytes  3.67 Mbits/sec

outside_server is in other network, i mean other switch.

Network rate between domUs is fine.

Also i have a Xen 3.2 running on ubuntu 8.04 and i don't have this network issue.

PS: I read some posts, and i did the ethtool -K ethX  ... on domU and dom0

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