** Changed in: systemd (Ubuntu)
Status: New => Invalid
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Title:
systemd dhcp don't work on vlan
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ok. bug may be closed, i locate problem.
dhcp don't get lease on discovery if where is a valid lease. After
release current lease systemd dhcp discover request was answered.
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here is two tcpdumps of dhcp ports
root@gwd:~# tcpdump -vv -i enp3s0 -n port 67 and port 68
tcpdump: listening on enp3s0, link-type EN10MB (Ethernet), capture size 262144
bytes
SYSTEMD [NOT WORKED]
19:58:01.261864 IP (tos 0xc0, ttl 64, id 0, offset 0, flags [none], proto UDP
(17), length 300)
here is debug log
http://paste.ubuntu.com/p/mTxRb5s4Qc/
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Title:
systemd dhcp don't work on vlan
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netif.tar http://paste.ubuntu.com/p/DvPcmNs6Jb/
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Title:
systemd dhcp don't work on vlan
To manage notifications about this bug go to:
here is lease gained from dhclient
dhcp-lease-time present
lease {
interface "enp3s0.2";
fixed-address 213.141.128.50;
option subnet-mask 255.255.224.0;
option routers 213.141.159.252;
option dhcp-lease-time 7200;
option dhcp-message-type 5;
option domain-name-servers
yes full config. Many cables unplugged because router not fully functional
enp3s0 connected to swithch in Tagged port, configured only with Vlan 2.
ClientIdentifier=mac not helped
my problem looks similar to
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1779721
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Is that the full networkd config?
Slightly confused why enp3s0 is degraded. Does it have a cable plugged
in?
Could you tar up and share /run/systemd/netif ?
Does adding below
[DHCP]
ClientIdentifier=mac
to the enp3s0.2.network help?
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make it through crontab and redirect output
root@gwd:~# cat /root/networkctl
IDX LINK TYPE OPERATIONAL SETUP
1 lo loopback carrier unmanaged
2 enp2s0 ether carrier configured
3 enp3s0 ether
Please attach output from networkd on boot prior to / without the extra
dhclient unit if you can.
$ networkctl | pastebinit
$ journalctl -b -u systemd-networkd | pastebinit
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I wrote earlier that the dhclient works fine on this interface, so the
problem is apparently that dhcp does not work as requested for the vlan
network
** Changed in: systemd (Ubuntu)
Status: Incomplete => New
** Description changed:
root@gwd:~# uname -a
Linux gwd 4.15.0-50-generic
root@gwd:~# cat /etc/systemd/network/enp3s0.2.netdev
[NetDev]
Name=enp3s0.2
Kind=vlan
[VLAN]
Id=2
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Title:
systemd dhcp don't work on vlan
To
How does your vlan .netdev unit looks like?
You need something that creates the vlan device on top of the selected
underlying device, ie.:
$ cat enp3s0.2.netdev
[NetDev]
Name=enp3s0.2
Kind=vlan
[VLAN]
Id=2
Without that, there won't be vlan device created (nor visiable in $ ip a), and
thus no
on same machine usb modem works fine with DHCP option
root@gwd:~# cat /etc/systemd/network/yota.network
[Match]
Name=enx0c5b8f279a64
[Network]
DHCP=yes
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netplan and cloud-init not used and was purged
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Title:
systemd dhcp don't work on vlan
To manage notifications about this bug go to:
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