Re: [Xen-users] Custom networking problems

["trilok nuwal" <tc.nuwal@xxxxxxxxx>]

First of all, u should check in Domu whether the vif is exported to domU or not.

So do ifconfig in domU. This will show one interface. 

# ifconfig -a

Now if it show one interface like eth0, then modify the network config
file of ifcfg-eth0 with proper ip,netmask,broadcast address. Mac you
can get from the dom0 through command.

#xm list -l
This will show a  lot of info including the mac corresponding to
bridge.  ( sometime u done need to mention the mac address in
config file,but in some distribution this is required)

Then restart the network in domU.

I assumed u know all the configuration files and scripts used for restart the network and config this.

Just try this one.....

Hope this will be worthful.

On 4/7/07, Michael Steinhoff <mstde@xxxxxx> wrote:

Hallo,

I cannot get my xen networking going ...

My Debian/Etch-Xen (2.6.18-3-xen-686)-machine has two nics. I wolud like to create a scenario with a public site (eth0), a private LAN (eth1) and a DMZ. This should not be too exotic as I found something like this in several postings.

In Dom0 I put the bridges in my /etc/network/interfaces (I've no knowlegde of perl, so fiddling with a custom xen-network-script is no option for me and from what I googled, this should be a valid way to configure the bridges.):

auto eth0
iface eth0 inet static
address 192.168.1.100
network 192.168.1.0
netmask 255.255.255.0
gateway 192.168.1.1

#LAN
auto eth1
iface eth1 inet static
address 192.168.2.100
network 192.168.2.0
netmask 255.255.255.0

auto dummy0
iface dummy0 inet static
address 192.168.3.100
netmask 255.255.255.0
gateway 192.168.3.1

# Internal Bridged Network.
auto xenintbr
iface xenintbr inet static
pre-up brctl addbr xenintbr
post-down brctl delbr xenintbr
address 192.168.2.1
netmask 255.255.255.0
network 192.168.2.0
broadcast 192.168.2.255
bridge_fd 0
bridge_hello 0
bridge_stp off

auto xendmzbr
iface xendmzbr inet static
pre-up brctl addbr xendmzbr
post-down brctl delbr xendmzbr
address 192.168.3.1
netmask 255.255.255.0
network 192.168.3.0
broadcast 192.168.3.255
bridge_fd 0
bridge_hello 0
bridge_stp off


A ifconfig shows, that both brigdes are up; I can ping all given addresses (in Dom0).

In the DomU-config file I specify the brigde

vif = ['bridge=xenintbr']

I tried to apply the IP-Address from the config-File or within the running DomU - neither way worked.

What is wrong, what am I missing?

Any help is appreciated.

Thanks!

Michael

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