<div dir="ltr"><div>It's working now, I had my understanding messed up a little. Thanks for the clarification!</div><div> </div><div>Kind regards,</div><div>Lukas Wolf </div></div> <div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, 14 Nov 2022 at 20:05, Andrei Borzenkov <<a href="mailto:arvidjaar@gmail.com">arvidjaar@gmail.com</a>> wrote: </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 14.11.2022 15:49, Lukas Wolf wrote: > Hi all and thanks a lot for all your work on systemd! > > I'm trying to setup a VXLAN configuration with multicast with > systemd-networkd but struggle to make it work. What I'm trying to replicate > is the following (working command): > > ip link add vxlan100 type vxlan id 100 dstport 4789 local 10.100.200.4 > group 224.4.0.144 dev lo ttl 5 > (this command fails without specifying 'dev lo') > > My config file, vxlan100.netdev: > [NetDev] > Name=vxlan100 > Kind=vxlan > > [VXLAN] > VNI=100 > TTL=5 > DestinationPort=4789 > Group=224.0.0.144 > Local=10.100.200.4 > Independent=true > If you want Group you need device and so cannot use Independent ... > > As seen in the last line of the log, it throws an invalid argument error > and no VXLAN device is created. This does not happen if I remove the > "Group=" part in the configuration. As mentioned above, the "ip add link" > command needs a "dev=" argument to work but I have not found a way to > specify a device in the netdev config file... > > I have also tried it without Independent=true and having a network file > instead with VXLAN=vxlan100, Wat do you mean "instead"? You need network file for base interface that refers to vxlan and netdev file for vxlan. > but then it just silently fails without log > output. > Works for me (at least, to the extent that vxlan100 is created) bor@bor-Latitude-E5450:~$ ip l 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 1000 link/ether 34:e6:d7:85:0b:1c brd ff:ff:ff:ff:ff:ff altname enp0s25 3: wlp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DORMANT group default qlen 1000 link/ether 5c:e0:c5:27:c7:70 brd ff:ff:ff:ff:ff:ff 4: br0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default qlen 1000 link/ether 6a:7b:d1:2a:ce:9d brd ff:ff:ff:ff:ff:ff 5: tap0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel master br0 state DOWN mode DEFAULT group default qlen 1000 link/ether 2a:7d:ac:33:fd:47 brd ff:ff:ff:ff:ff:ff bor@bor-Latitude-E5450:~$ sudo systemctl start systemd-networkd.service bor@bor-Latitude-E5450:~$ ip l ... 13: vxlan100: <BROADCAST,MULTICAST> mtu 1450 qdisc noop state DOWN mode DEFAULT group default qlen 1000 link/ether b6:1d:97:9f:e6:eb brd ff:ff:ff:ff:ff:ff bor@bor-Latitude-E5450:~$ cat /etc/systemd/network/eno1.network [Match] Name=eno1 [Link] ActivationPolicy=always-up [Network] ConfigureWithoutCarrier=true Address=<a href="http://10.10.10.10/24" rel="noreferrer" target="_blank">10.10.10.10/24</a> VXLAN=vxlan100 bor@bor-Latitude-E5450:~$ cat /etc/systemd/network/vxlan100.netdev [NetDev] Name=vxlan100 Kind=vxlan [VXLAN] VNI=100 TTL=5 DestinationPort=4789 Group=224.0.0.144 Local=10.10.10.10 bor@bor-Latitude-E5450:~$ </blockquote></div>