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xen-users
Re: [Xen-users] firewall xenU woes (help would be appreciated)
Hi Adam,
Perhaps you could try loading the dummy modules in dom0 instead?
Then attach your dom0 bridges to the dummy interfaces by replacing
the netdev argument for "eth0" in /etc/xen/scripts/network with "dummy",
and create auto scripts for the dummy interfaces that create bridges.
Sorry to be so brief ... just caught me before going to bed.
(Trying to work on a quote :) )
If you get stuck perhaps you could provide more detail?
Regards,
Marcus.
Adam Tworkowski wrote:
>Hi,
>
>Could someone please help me out with networking my firewall on xenU
>configuration. I have combed the list archives for posts on similar
>configurations and getting bridging working properly but I am stuck and
>generally confused. I am trying to achieve the scenario below (ascii
>borrowed from previous thread).
>
> +------------------------+
> | physical machine, dom0 |
> | +---------------+ |
>-- Internet -------+ Firewall domU +--------- Intranet
> | +------+--------+ |
> | | |
> | | DMZ |
> | +-----+------+ |
> | | | |
> | +--+--+ +--+--+ |
> | |domU1| |domU2| |
> | +-----+ +-----+ |
> +------------------------+
>
>So far:
>
>- physical ethernet device (will be two later) hidden from dom0 (no issue)
>- domU (fw) using ethernet device -- has access to internet on eth0 (no issue)
>
>- domU1 and domU2 can only see domU when using bridge=xen-br0 although it
>appears that only on of the two can be active as if both are pinging domU
>there is much
>packet. Using vif = ['mac=xx.xx..., bridge=xen-br0'"].
>
>Should domU1 and domU2 should be using xen-br0 at all or should this only be
>for domU and the former be using xen-br1 and xen-br2 respectively.
>
>- I have attempted to have domU1 use vif = ['backend=fw'] without success
>
>- I have also attempted to created xen-br1,xen-br2 and have the non-fw domUs
>use these: vif = ['bridge=xen-br1']
>
>- Having searched the list, I have attempted to create dummy0, dummy1,etc. on
>the domU as suggested.
>
>
>I am hoping that someone can lay out what they have done to get this working.
>My suspicion is that my bridging is not working correctly on dom0.
>
>Question: what devices should be showing from 'ifconfig' on respective nodes
>(dom0, domU, domU1...)?
>
>xen0 shows multiple vifs, xen-br0-4.
>xenU shows eth0 - should it show vifs?
>xenU1,2 shows eth0. Should it show more? vifs?
>
>Maybe someone can share the output of their ifconfigs to compare.
>
>All my instance are running on Debian Sarge.
>
>Thanks in advance!
>
>
>
>
>
>
>
>
>_______________________________________________
>Xen-users mailing list
>Xen-users@xxxxxxxxxxxxxxxxxxx
>http://lists.xensource.com/xen-users
>
>
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