Re: [Xen-users] Network performance problem

[Fridtjof Busse <fbusse@xxxxxx>]

* James Wilson <jwilson@xxxxxxxxxxxxxxxxx>:
> I am having a similar issue I see the retransmissions and dup acks 
> basically everything you are seeing. The 2 things that are different
> on my end is that I'm using centos5 and piranha(for a virtual
> failover IP). I see the duplicate and retranssmissions on eth1:1(the
> vip from piranha). Would the below fix for you also apply to me
> (ethtool -K eth0 tx off). Also would I apply this to the VIP? ethtool
> -K eth1:1 tx off?

Running ethtool in one of my domUs seems to have fixed the problem for
the others as well (maybe due to bridge-setup?).
You can simply try running ethtool, it should not break anything that's
not already broken :)
-- 
Fridtjof Busse

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