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xen-devel
Re: [Xen-devel] networking oddities, present status ? changeset: 7145:71
Ian Pratt wrote:
I have been experiencing some oddities as well. Xen/bridge
networking works on some switches, but not on others. Also
if I have one host with a domU communicating to another host,
an unrelated host (with xen) will sometimes get "peth0:
received packet with own address as source address" error
messages. I have to wonder if all these bridges on the xen
equipped hosts need unique MAC addresses (they all have
fe:ff:ff:ff:ff:ff)
Interesting. Perhaps run a "tcpdump ether host fe:ff:ff:ff:ff:ff" and
see if any other host is sending packets with that as a src address. I
wander if one of the hosts on the network has STP turned on?
I give that a shot. I have a feeling at least one of the three switches
I have in my network may have STP on, and I guess I should check the xen
hosts as well (they really should all be using the same network-bridge
script). If STP is off everywhere, is there any reason to not use
fe:ff:ff:ff:ff:ff on all xen-br0 devices?
-Andrew
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