Re: [Xen-users] Routing with Xen-Bridge

["G.Wendebourg" <gw-hh@xxxxxx>]

Is there any example-configuration, how to set up networking with a
bridge, when my xen-system is located behind a router to the inet?

I'm now having the router with 192.168.0.1.

On my Xen 3.0 i have the bridge installed and thus eth0 and xenintbr
running with the added vif's.

Which configuration might assigned to the netdevices on the xen-system
with the goal to enable the guests to make connections to the internet
and also have a forwarding from outside to specific guests (relying on
the port, thats  questioned from outside) ?

It seems to be a very standard solution, but I didn't find out, how to
realize it, after trying several configurations on my guest-systems and
the Dom-0.
What has been working was the connect between Dom-0 and guest and after
configuring masquerading also connect from guest to the internet.
Also I found, that after altering the network of some guest it was
stopping its work, even if setting to the initial config and rebooting.

But maybe there is some example-configuration, that may help to solve
(while I'm still no networking-expert).

thany for replying.

GW

Tom Mornini schrieb:
> It depends on netmasks and, therefore, netmasks.
>
> If your netmask for all these 192.168 system is 255.255.0.0 then there's
> no need for routing at all.
>
> You mentioned Xen-Bridge in the subject. It's a bridge, not a router. :-)
>
> On Oct 15, 2006, at 2:59 AM, Gerhard Wendebourg wrote:
>
>> after I was now successful with setting up my Xen-System, the question
>> about the routing directed to the guest-systems:
>>
>> I have now the Dom-0 connected to the 192.168.0.0 (=> Inet), own IP
>> 192.168.0.10 and the bridge and guests running on 192.168.1.0. My
>> xenbridge runs on 192.168.1.1.
>>
>> If I now want to have one guest-domain, running on 192.168.1.22 to be
>> reached by HTTP and SSH, how do I handle the forwarding coming to my
>> Dom-0 at 192.168.0.10 to the Guest-domain at a specific port?
>
> ---- Tom Mornini, CTO
> -- Engine Yard, Ruby on Rails Hosting
> -- Reliability, Ease of Use, Scalability
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>
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