Pasi, first thanks for your help!
On Tue, Dec 22, 2009 at 11:00:36AM +0200, Pasi Kärkkäinen wrote:
ppp0? Do you have pppoe or so?
Yes, like I wrote in my first mail:
My setup with two NICs: Dom0 is my working platform. DomU is my firewall
system which establishes the PPP connection to my internet provider.
One NIC is used for the internal network (Dom0 and DomU have IP addresses
in this network), the other NIC is only bridged to DomU and is used for
the PPP connection.
Sounds like a dom0 networking configuration issue, not a kernel/xen issue.
I am quite sure this is not the case.
Dom0 can connect to DomU, and DomU has Internet connection through PPP.
But Dom0 can’t connect to the Internet.
Case 1: DomU creates the Internet traffic
- I see the packets in DomU tracing on ppp0
- I see the packets in Dom0 tracing on eth1 (the interface to the DSL
modem, which is bridged to DomU and is not used in Dom0)
Case 2: Dom0 creates the Internet traffic
- I see the packets in DomU tracing on ppp0
- I don’t see the packets anymore in Dom0 on eth1
So what networking configuration could be wrong? The bridge interfaces
are correct or Dom0 couldn’t contact DomU and DomU couldn’t reach the
Internet. Dom0 is correctly using DomU as Internet gateway, or I wouldn’t
see the packets on the ppp0 interface in DomU. Masquerading and the other
NAT stuff is working correctly.
The same configuration is working with the older Dom0 kernel (I don’t
have to switch the DomU kernel back to the older version).
And since I forgot the output of „ethtool -i”, here it is. It is
identical in both kernels:
osgiliath:/home/stse# ethtool -i peth0
driver: r8169
version: 2.3LK-NAPI
firmware-version:
bus-info: 0000:04:00.0
osgiliath:/home/stse# ethtool -i eth1
driver: r8169
version: 2.3LK-NAPI
firmware-version:
bus-info: 0000:03:00.0
Shade and sweet water!
Stephan
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