On Wed, 02 Nov 2022 09:15:19 +0100, Peter Krempa wrote: > Please post the full XML definition of the network you use for the VMs. Well, I did not write any XML, but here it is. |<network> | <name>isolated</name> | <uuid>17dca0c1-8bc6-4c6b-89b6-71259492315b</uuid> | <bridge name='virbr1' stp='on' delay='0'/> | <mac address='52:54:00:a0:26:52'/> | <domain name='isolated'/> | <ip address='192.168.100.1' netmask='255.255.255.0'> | <dhcp> | <range start='192.168.100.128' end='192.168.100.254'/> | </dhcp> | </ip> |</network> > Libvirt's network definition creates a bridge (switch), so it shouldn't > really matter which protocol you run across it. Obviously libvirt > does not configure IPX on the host facing side of the bridge because we > don't support it, but if VMs talk IPX they should be able to. Is there some way to confirm that one guest VM sees the traffic from another? With IPX I get no errors in DOS but they do not see each other. /Tomas