Re: [Xen-users] domU network problem SOLVED

[Stefan Schueffler <schueffler@xxxxxxxxxxxxx>]

Hi all,

thanks for your help, i got it working.

The solution to the problem is that suse linux has a
udev-rule to create persistent names for hotplug-devices enabled by
default.

using the xen-feature to set a random mac-address for the interface leads
to the situation, that suse must give a new device-id on every boot, as
the network card appears to be a "new" one (new unseen mac-address) and
the old device-ids are locked by suse for the old mac-address.

the solution is either 
a) to remove the udev-rule for persistent device-ids or
b) to set a fixed mac-address so that suse can use the same interface-id
on each boot.

Some informations:
on suse linux 10 (and probably 9.3 als) the udev-rules are located in
/etc/udev/rules.d/
the rule to set a new device-id (eth0, eth1, ethxx...) is located in
31-net_create_names.rules
old assignment (mac-address-to-device-id) are stored in
30-net_persistent_names.rules
there you should delete the assignments set by suse on your first hundred
reboots while trying to solve the problem :-)

regards
Stefan Schueffler

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