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[Xen-users] Re: unstable network problem

  • To: xen-users@xxxxxxxxxxxxxxxxxxx, Nivedita Singhvi <niv@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx
  • From: Tim Durack <tdurack@xxxxxxxxx>
  • Date: Wed, 17 Aug 2005 10:54:18 -0400
  • Delivery-date: Wed, 17 Aug 2005 14:52:29 +0000
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Okay, fixed it by using a bridged setup.

This doesn't work:

Dom0 vif1.0 <-> guest eth0

This does work:

Dom0 vif0.0 bridged with Dom0 vif1.0. Ip address applied to Dom0 veth0
and guest eth0.

Would be much simpler in my mind if the first scenario worked as expected...


On 8/8/05, Tim Durack <tdurack@xxxxxxxxx> wrote:
> I must be doing something wrong:
> Have set up a basic Xen system, Dom0 + one Xen0 guest. Configured for
> a routed network.
> Ping Dom0 -> guest works.
> Ping guest -> Dom0 works.
> nmap Dom0 -> guest reports port 22 open.
> Ssh Dom0 -> guest hangs.
> ssh guest -> Dom0 hangs. Same behaviour. Watching a packet capture
> shows traffic passing but with retransmits and poor performance.
> If I build a gre tunnel between Dom0 and guest, everything works fine,
> with the exception that I must generate some traffic from the guest
> first.
> I have no iptables rules configured, so it's not that. Looks like
> there is maybe some issue with tcp traffic between domains.
> Looks like a bug to me, but I'm posting to the user list first.
> I am running unstable from last friday.
> Tim:>

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