[Xen-bugs] [Bug 956] New: nat does not work with hvm

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=956

           Summary: nat does not work with hvm
           Product: Xen
           Version: 3.0.4
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HVM
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: ebayer@xxxxxxxxxxxxxxxxx


In open source version 3.0.4 of xen, when network-nat and vif-nat scripts are
activated in the config file, the hvm guests can not connect to internet. The
modified guests connect ok, so I assume the problem is not the network-nat and
vif-nat scripts, it is the hvm itself. I have tried both the wireless and
ethernet card, the result is same: modified guest's network ok, but no network
in hvm guests.

When try to ping the outside from hvm guest, I get dest. unreachable error and
tcpdump in dom0 does not show any packets. Also can not ping the gateway
address the xen uses in dom0. In other words if the ip address of the domU is
192.168.3.3 then domU can not ping 192.168.3.130 either. The tcpdump does not
show any packets flowing either.

I will attach the xen config file and the domain's config.


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