[Xen-users] ADSL and routing with Xen

[Jesper Andersen <ii1fm0ay@xxxxxx>]

I have a desktop computer with 2 network card. One(eth0) connected to an 
ADSL modem that uses PPPoE to work. The other(eth1) is connected to a 
small network. This machine work as a router for this small network. On 
this computer I was running FC6 with their 3.0.3 Xen and a couple of 
guests. It was configured with network-bridge with xenbr0 connected to 
eth1.
Everything here worked fine. All of  the locale computeres can talk to 
each other and connect to the internet though this computer.

But I then wanted to upgrade to FC7 to have Xen 3.1.
I configured it the same way with a bridge on the local side.
After upgrading the desktop computer can still connect to the internet and 
talk to the locale computers. But the local computers cannot connect to 
the internet through this computer. I use the same firewall script as 
before. All the rules that drop packages first log the packages. It seems 
the traffic from the local computers to the internet disappears 
somewhere. It doesn't work but there are no dropped packages in the log 
file. I have tried reducing the firewall script to allow all traffic 
except new traffic from the internet and masquerading traffic going to 
the internet.

I then tried to install Kubuntu Gutsy and compile Xen 3.1 from xensource 
and setup the ADSL/PPPoE and bridge but the exact same thing happen. The 
computer can talk both ways but no traffic is getting through. If I boot 
it with its own non Xen kernel it is routing traffic just fine.

Anyone have an idea what can have changed since FC6/Xen 3.0.3 or what I 
might be doing wrong?

-- 
Jesper
 22:13:47 up 24 min,  5 users,  load average: 0.12, 0.14, 0.23

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