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Re: [Xen-users] Xen network configuration

from [Christopher G. Stach II]

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Subject:	Re: [Xen-users] Xen network configuration
From:	"Christopher G. Stach II" <cgs@xxxxxxxxx>
Date:	Tue, 19 Dec 2006 19:02:09 -0200
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Glen Davis wrote:
> I want to create 8 VMs on a single host, I have 5 network cards.  All
> the VMs will be on the same network and talking with other physical
> machines on the lab network.  I have chosen to create a single bridge
> for each network card, and assign 1-2 VMs per bridge, and a total of 5
> bridges.  This seems to work.  Other than using PCI pass-through to
> access the nics directly is there any other better configuration to get
> the best performance?  I have tried "bonding" several NICS together for
> load balancing (on SLES10) then using one bridge, but that doesn't have
> as good of performance.  What do other users/customers typically do for
> this situation?

I would at least bond pairs of NICs for fault tolerance and assign half
of the VMs to each of the two bond device bridges.  It really depends on
the application, though.  What are the VMs doing?

-- 
Christopher G. Stach II


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