Re: [Xen-devel] question about network setting for domain1

[Xin Zhao <zhaoxin@xxxxxxxxxxxxxx>]

Thanks for your help.

I followed your instructions and removed all ifcfg-ethX files in dom1.
Unfortunately, this does not solve the proble. There must have some other
problems.

As I said before, my gateway of dom0 is 141.213.10.1. Shall I put it in
configuration file of dom1 as the gateway of dom1? If so, the ip addr of
dom1 is set to 192.168.0.188, how can it reach the gateway?  I am a little
bit confused.

Xin

On Tue, 14 Sep 2004, Keir Fraser wrote:

>
> You don't need an ifcfg-eth0 file in dom1. We pass in the IP config on
> dom1's command line, and the interface will automatically be set up.
>
> What is happening is that your ifcfg-eth0 file is overriding the
> settings passed in on the command line. Because you do not specify a
> gateway in the file, no default route is set up and so dom1 cannot
> send packets outside its subnet.
>
>  -- Keir
>
> > Hi,all,
> >
> > I cannot get my network in domain1 work. Here is my configuration:
> >
> > in dom0:
> >
> > I have two network cards, the ip addrs are 141.213.10.110 and 192.168.0.4,
> > respectively. 141.213.10.110 is an external IP and can access internet
> > directly. The gateway should be 141.213.10.1.
> >
> > /etc/xen/vfp: the domain1 configuration file, I created domain1 using 'xm
> > create vmid=1 -f /etc/xen/vfp'
> >
> > Here is the network setting part:
> >
> > /***************************************************************/
> > #dhcp="dhcp"
> > ip = "192.168.0.188"
> > netmask = "255.255.255.0"
> > gateway = "141.213.10.104"  // I also tried "192.168.0.1"
> > # Set netmask.
> > #netmask=
> > # Set default gateway.
> > #gateway=
> > # Set the hostname.
> > #hostname= "vm%d" % vmid
> > /***************************************************************/
> >
> > in dom1:
> >
> > /etc/sysconfig/network-scripts/ifcfg-eth0:
> >
> > /**************************************************************/
> > DEVICE=eth0
> > BOOTPROTO=static
> > IPADDR=192.168.0.188
> > NETMASK=255.255.255.0
> > ONBOOT=yes
> > TYPE=Ethernet
> > /*************************************************************/
> >
> > After I started dom1, I can see that the network interface is activated
> > and got the ip "192.168.0.188". But neither can I connect outside from
> > dom1, nor connect to dom1 from outside.
> >
> > What's wrong with my setting? I don't know whether that is the gateway
> > setting issue. :( I put my 'netstat -rn' dumpout info below:
> >
> > /***********************************************************************/
> > Kernel IP routing table
> > Destination     Gateway         Genmask         Flags   MSS Window  irtt
> > Iface
> > 192.168.0.0     0.0.0.0         255.255.255.0   U         0 0          0
> > eth0
> > 169.254.0.0     0.0.0.0         255.255.0.0     U         0 0          0
> > eth0
> > 127.0.0.0       0.0.0.0         255.0.0.0       U         0 0          0
> > lo
> > /***********************************************************************/
> >
> > If anybody knows how to solve this problem, please help.
> >
> > Thanks,
> >
> > Xin
> >
> >
> >
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