Re: [Xen-users] Different networks between Dom0 and Guest?

[kanour-xen <xen@xxxxxxxxxx>]

Nicole Hähnel wrote:
> kanour-xen schrieb:
> > Nico Kadel-Garcia wrote:
> > > Nicole Hähnel wrote:
> > > > Hi,
> > > >
> > > > I'm running SLES10 SP1 with xen 3.0.4 and windows 2003 server as guest.
> > > > Is it possible to assign ips from different networks to Dom0 and Guest,
> > > > e. g. 172.27.10.1/24 for Dom0 and 172.27.15.1/24 for Guest?
> > > > I tried it, but I can't reach the Guest.
> > > > If it's possible, what should I have to configure?
> > > >
> > > > Thanks!
> > > > Nicole
> > > It should work, they have different MAC addresses. But do you have 
> > > gateways set up correctly? And is your upstream switch or switches 
> > > set up to allow traffic on both VLAN's? And is your upstream gateway 
> > > set up to handle both VLAN's as well?
> > > I dislike setting up two VLAN's on the same switch port, in order to 
> > > avoid just that sort of routing problem.
> > > _______________________________________________
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> > > Xen-users@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-users
> > I believe you have to configure trunk and vlans to tag the packets.
> >
> > That is how I have it.
> >
> > Jiri
> >
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> > http://lists.xensource.com/xen-users
> I think, if I have two pcs, one in Dom0 network and one in Guest 
> network, and all connected to the same switch,
> pc1 should reach Dom0 and pc2 should reach Guest, without configuring 
> any vlans on the switch.
> So the bridge xenbr0 has to route the packets from Guest to the switch, 
> but this doesn't work.
> The bridge has no ip on my system.
> I don't know if it's right or if this can work at all.
> How can I set this up?
>
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This is not secure solution because anyone on those PCs can change the 
network and can access the other network.
But, it should work (theoretically - I never done it like that).
I assume that you have one network card with bridge created. Then just 
assign the addresses in dom0 and domU and try.
Jiri

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