Public bug reported:
Hi everyone.
This is my first time with netplan so this could be related to my
inexperience, forgive me if is this the case.
This is the only yaml config file present:
```
$ cat /etc/netplan/10-casa.yaml
network:
version: 2
renderer: networkd
ethernets:
ens3:
addresses: ["192.168.1.2/24"]
gateway4: 192.168.1.1
nameservers:
addresses: ["1.1.1.1", "1.0.0.1"]
vlans:
vlan2:
id: 2
link: ens3
addresses: ["192.168.2.1/24"]
routes:
- to: 0.0.0.0/0
from: 192.168.2.0/24
via: 192.168.1.1
```
# ifupdown is not installed (I installed and then removed while
installing the server).
```
$ ls /etc/network/*
/etc/network/fan
/etc/network/if-down.d:
resolvconf ubuntu-fan
/etc/network/if-post-down.d:
bridge ubuntu-fan vlan
/etc/network/if-pre-up.d:
bridge ethtool mtuipv6 vlan
/etc/network/if-up.d:
000resolvconf ethtool ip mtuipv6 openssh-server ubuntu-fan vlan
# I also removed the 50_cloud_* file from here:
$ ls /etc/cloud/cloud.cfg.d
05_logging.cfg 90_dpkg.cfg README curtin-preserve-sources.cfg
```
Now the lettuce..
If I execute: `sudo netplan apply`, everything works as expected:
```
$ ip -4 addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
default qlen 1000
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP
group default qlen 1000
inet 192.168.1.2/24 brd 192.168.1.255 scope global ens3
valid_lft forever preferred_lft forever
4: vlan2@ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UP group default qlen 1000
inet 192.168.2.1/24 brd 192.168.2.255 scope global vlan2
valid_lft forever preferred_lft forever
```
The problem occurs after a reboot, where the vlan2 tries to obtain an IP
via DHCP and the vlan2 ip is assigned to the ens3 interface. The funny
part here, is that if I manually execute `netplan apply` at this point,
the right IP is assigned to the vlan2 interface, so in my case, I have
"solved" this issue, putting `netplan apply` in the `/etc/rc.local`
file...
```
ip -4 addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
default qlen 1000
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP
group default qlen 1000
inet 192.168.1.2/24 brd 192.168.1.255 scope global ens3
inet 192.168.2.1/24 brd 192.168.2.255 ...
valid_lft forever preferred_lft forever
4: vlan2@ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UP group default qlen 1000
inet 169.254.x.y/z ...
valid_lft forever preferred_lft forever
```
Am I missing something?
Thank you for the attention.
** Affects: netplan
Importance: Undecided
Status: New
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: dhcp ip vlan
** Also affects: ubuntu
Importance: Undecided
Status: New
** Description changed:
Hi everyone.
This is my first time with netplan so this could be related to my
inexperience, forgive me if is this the case.
This is the only yaml config file present:
```
$ cat /etc/netplan/10-casa.yaml
network:
- version: 2
- renderer: networkd
- ethernets:
- ens3:
- addresses: ["192.168.1.2/24"]
- gateway4: 192.168.1.1
- nameservers:
- addresses: ["1.1.1.1", "1.0.0.1"]
- vlans:
- vlan2:
- id: 2
- link: ens3
- addresses: ["192.168.2.1/24"]
- routes:
- - to: 0.0.0.0/0
- from: 192.168.2.0/24
- via: 192.168.1.1
+ version: 2
+ renderer: networkd
+ ethernets:
+ ens3:
+ addresses: ["192.168.1.2/24"]
+ gateway4: 192.168.1.1
+ nameservers:
+ addresses: ["1.1.1.1", "1.0.0.1"]
+ vlans:
+ vlan2:
+ id: 2
+ link: ens3
+ addresses: ["192.168.2.1/24"]
+ routes:
+ - to: 0.0.0.0/0
+ from: 192.168.2.0/24
+ via: 192.168.1.1
```
# ifupdown is not installed (I installed and then removed while
installing the server).
```
$ ls /etc/network/*
/etc/network/fan
/etc/network/if-down.d:
resolvconf ubuntu-fan
/etc/network/if-post-down.d:
bridge ubuntu-fan vlan
/etc/network/if-pre-up.d:
bridge ethtool mtuipv6 vlan
/etc/network/if-up.d:
000resolvconf ethtool ip mtuipv6 openssh-server ubuntu-fan vlan
-
# I also removed the 50_cloud_* file from here:
$ ls /etc/cloud/cloud.cfg.d
05_logging.cfg 90_dpkg.cfg README curtin-preserve-sources.cfg
```
Now the lettuce..
If I execute: `sudo netplan apply`, everything works as expected:
```
$ ip -4 addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
default qlen 1000
- inet 127.0.0.1/8 scope host lo
- valid_lft forever preferred_lft forever
+ inet 127.0.0.1/8 scope host lo
+ valid_lft forever preferred_lft forever
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP
group default qlen 1000
- inet 192.168.1.2/24 brd 192.168.1.255 scope global ens3
- valid_lft forever preferred_lft forever
+ inet 192.168.1.2/24 brd 192.168.1.255 scope global ens3
+ valid_lft forever preferred_lft forever
4: vlan2@ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UP group default qlen 1000
- inet 192.168.2.1/24 brd 192.168.2.255 scope global vlan2
- valid_lft forever preferred_lft forever
+ inet 192.168.2.1/24 brd 192.168.2.255 scope global vlan2
+ valid_lft forever preferred_lft forever
```
The problem occurs after a reboot, where the vlan2 tries to obtain an IP
via DHCP and the vlan2 ip is assigned to the ens3 interface. The funny
part here, is that if I manually execute `netplan apply` at this point,
the right IP is assigned to the vlan2 interface, so in my case, I have
- "solved" this issue, putting `netplan appy` in the `/etc/rc.local`
+ "solved" this issue, putting `netplan apply` in the `/etc/rc.local`
file...
```
ip -4 addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
default qlen 1000
- inet 127.0.0.1/8 scope host lo
- valid_lft forever preferred_lft forever
+ inet 127.0.0.1/8 scope host lo
+ valid_lft forever preferred_lft forever
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP
group default qlen 1000
- inet 192.168.1.2/24 brd 192.168.1.255 scope global ens3
- inet 192.168.2.1/24 brd 192.168.2.255 ...
- valid_lft forever preferred_lft forever
+ inet 192.168.1.2/24 brd 192.168.1.255 scope global ens3
+ inet 192.168.2.1/24 brd 192.168.2.255 ...
+ valid_lft forever preferred_lft forever
4: vlan2@ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UP group default qlen 1000
- inet 169.254.x.y/z ...
- valid_lft forever preferred_lft forever
+ inet 169.254.x.y/z ...
+ valid_lft forever preferred_lft forever
```
- Am I missing something?
+ Am I missing something?
Thank you for the attention.
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https://bugs.launchpad.net/bugs/1855843
Title:
vlan ip not assigned on boot but with `netplan apply`
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