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Bridge networking doesn't work / First ARP packet gets answered by wrong host
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If you want to use macvtap bridges in KVM, LXC, Xen or $hypervisor on NixOS you have to tell your
If you want to use macvtap bridges in KVM, LXC, Xen or $hypervisor on NixOS you have to tell your

Revision as of 20:40, 2 September 2019

If you want to use macvtap bridges in KVM, LXC, Xen or $hypervisor on NixOS you have to tell your dhcp server to not configure that interface with an ip. Yes exactly the dhcp server on NixOS configures every interface as long it has been told to not to. If you are running dhcpcd then you have to define networking.dhcpcd.denyInterfaces = [ "macvtap0@*" ] for example.

What is the error you get when layer 2 bridges have IPs? https://serverfault.com/questions/959667/kvm-bridge-networking-first-arp-packet-gets-answered-by-wrong-host