RE: [Xen-devel] Xen 3.0 Xend loses network - eth0 -> veth0?

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> No one on this?

The /etc/xen/scripts/network script should be creating the bridge and
veth0, and transferring the IP address from eth0 to veth0.

It appears in your report as though both eth0 and veth0 have the same
address. I expect this is a conflict between the network script and your
existing setup.

Ian 
 
> Although very unlikely, it seems Jurgen Stroo stated on Jun 5 that :
> 
> > Hi list.
> >
> > I started with Xen yesterday, but I am facing a bit of a problem.
> > My system had always configure eth0 with 10.0.0.4/8
> >
> > I am using Xen unstable source (on Debian sid)
> >
> > Now I installed Xen, rebooted the machine, and first the 
> usual network 
> > is coming up and then the xend will be started.
> >
> > I'll end up with this, but I am wondering if this should be 
> the way of 
> > things to be configured:
> >
> > megalosaurus:~# ifconfig -a
> > eth0      Link encap:Ethernet  HWaddr 00:40:63:D7:A3:82
> >           inet addr:10.0.0.4  Bcast:10.255.255.255  Mask:255.0.0.0
> >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> >           RX packets:807379 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:680984 errors:0 dropped:0 overruns:0 carrier:0
> >           collisions:174 txqueuelen:1000
> >           RX bytes:800654135 (763.5 MiB)  TX bytes:52893851 
> (50.4 MiB)
> >           Interrupt:11 Base address:0xec00
> >
> > lo        Link encap:Local Loopback
> >           inet addr:127.0.0.1  Mask:255.0.0.0
> >           UP LOOPBACK RUNNING  MTU:16436  Metric:1
> >           RX packets:19 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:19 errors:0 dropped:0 overruns:0 carrier:0
> >           collisions:0 txqueuelen:0
> >           RX bytes:2004 (1.9 KiB)  TX bytes:2004 (1.9 KiB)
> >
> > tap0      Link encap:Ethernet  HWaddr EE:F6:D7:D8:F4:F8
> >           inet addr:10.0.0.150  Bcast:10.255.255.255  Mask:255.0.0.0
> >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> >           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:21 errors:0 dropped:0 overruns:0 carrier:0
> >           collisions:0 txqueuelen:500
> >           RX bytes:0 (0.0 b)  TX bytes:882 (882.0 b)
> >
> > veth0     Link encap:Ethernet  HWaddr 00:40:63:D7:A3:82
> >           inet addr:10.0.0.4  Bcast:10.255.255.255  Mask:255.0.0.0
> >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> >           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:120 errors:0 dropped:0 overruns:0 carrier:0
> >           collisions:0 txqueuelen:0
> >           RX bytes:0 (0.0 b)  TX bytes:32280 (31.5 KiB)
> >
> > vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
> >           BROADCAST MULTICAST  MTU:1500  Metric:1
> >           RX packets:120 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> >           collisions:0 txqueuelen:0
> >           RX bytes:32280 (31.5 KiB)  TX bytes:0 (0.0 b)
> >
> > xen-br0   Link encap:Ethernet  HWaddr 00:00:00:00:00:00
> >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> >           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> >           collisions:0 txqueuelen:0
> >           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
> >
> > After the system boots and the network and xend is started, nothing 
> > works, with this configuration.
> >
> > Actually, it works now after restarting the network
> > (/etc/init.d/networking) and after restarting xend 
> (sometimes a couple 
> > of times though)
> >
> > I can't find anywhere in the docs if eth0 should be 
> configured like this.
> > Sometimes I am experiencing lots of lag, as if these IP's are 
> > conflicting with each other.
> >
> > The whole networking thing seems not to be configured right.
> >
> > for completeness:
> >
> > megalosaurus:~# netstat -rn
> > Kernel IP routing table
> > Destination     Gateway         Genmask         Flags   MSS 
> Window  irtt
> > Iface
> > 10.0.0.202      10.0.0.150      255.255.255.255 UGH       0 
> 0          0
> > tap0
> > 10.0.0.201      10.0.0.150      255.255.255.255 UGH       0 
> 0          0
> > tap0
> > 10.0.0.0        0.0.0.0         255.0.0.0       U         0 
> 0          0
> > eth0
> > 10.0.0.0        0.0.0.0         255.0.0.0       U         0 
> 0          0
> > tap0
> > 0.0.0.0         10.0.0.254      0.0.0.0         UG        0 
> 0          0
> > eth0
> >
> >
> > 
> ----------------------------------------------------------------------
> > ----- "When a man sits with a pretty girl for an hour, it 
> seems like a 
> > minute.
> > But let him sit on a hot stove for a minute and it's longer 
> than any hour.
> > That's relativity." [A. Einstein, 1938]
> >
> >
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> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
> >
> 
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