Re: network config not working on newer libvirt

> > I would start troubleshooting by making sure that the dhcp server is > running, and that you can communicate between the machine with DHCP > server and the guest once a manual IP is assigned. Then use tcpdump or > wireshark at different places on the path between those two to see how > far the DHCP request is getting out, whether a response is being sent by > the server, and if so how far the response is getting back (i.e. on the > host, run tcpdump on the guest's tap device; if you see the DHCP request > there, then run tcpdump on the bridge, if you see it there, run it on > the tap device for the guest, if you see it there, then run tcpdump > inside the guest; then check the dhcp server logs to see if it's > receiving requests. While you're doing all of this, you can also be > noticing whether or not a DHCP response is arriving at each step (and if > you see the response, you can skip looking further ahead in the packet > path, since you know by inference that it made it all the way to the > DHCP server). Once you find the point that the packet is blocked, you'll > be better able to determine why. > > alright, I'll try that, thanks.