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[Xen-users] dealing with "eth0: received packet with own address as source address"
Fajar A. Nugraha
Fri Jun 26 02:00:21 2009
Usually I use a dedicated NIC for dom0 management, with another NIC
using vlans for domU, and bridges created using Redhat's
/etc/sysconfig/network-scripts/ifcfg-*. All works great.
Now I'm testing a new machine with Xen 3.4, using only one NIC for
both dom0 and domU traffic, bridged networking, IPv6 disabled. The
result was not so good: I kept on getting "eth0: received packet with
own address as source address" whenever a domU is active. Turns out
it's because domU's vif (vif1.0, vif2.0, etc) uses MAC
FE:FF:FF:FF:FF:FF, and it pretty much results in
For dom0 part it can be "fixed" using the new network-bridge attached
in bug report (basically assigning vif0.x unique MAC address). This
does not fix domU though, as they're vif still use FE:FF:FF:FF:FF:FF.
I had to hack vif-bridge, adding a random MAC generator to solve this
Do you guys have this problem as well? How did you deal with it?
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