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Re: Ubuntu bionic server edition + netplan: cannot get static IP on Ethernet Port

To: Jay Viper <mrjayviper@xxxxxxxxx>
From: Steve Langasek <steve.langasek@xxxxxxxxxxxxx>
Date: Sat, 30 Mar 2019 11:12:42 -0700
Cc: netplan-developers@xxxxxxxxxxxxxxxxxxx
In-reply-to: <CAF51sVkqogFZ8+iLCRMk9x4+oddME9hyE_CnyhbK1sfUqJwf7w@mail.gmail.com>
User-agent: Mutt/1.10.1 (2018-07-13)
Hi Jay,

I see you have also asked this question on askubuntu.com,
https://askubuntu.com/questions/1129829/ubuntu-bionic-server-edition-netplan-not-getting-static-ip-on-a-ethernet-conn

I would suggest that is the better place to have this discussion, rather
than on the developer list.

Cheers,
-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                   https://www.debian.org/
slangasek@xxxxxxxxxx                                     vorlon@xxxxxxxxxx

On Sat, Mar 30, 2019 at 01:58:35PM +1030, Jay Viper wrote:
> Problem: I cannot get a static IP on the ethernet port.
> 
> Aim: Trying to setup a static IP on the Realtek built-in ethernet
> (enp3s0) port so I can connect the server to my desktop via a
> crossover cable. At the moment, there is no crossover cable between
> the 2.
> 
> Setup: Ubuntu Bionic server edition with Intel WiFi card and a Reaktek
> ethernet port. During installation, I had to connect the ethernet port
> to my modem/router as the Ubuntu installer cannot recognize my WiFi
> card.
> 
> ----------------------------------------------------------
> Things I've tried:
> 1. I disabled my WiFi card  and then I've tried using just "dchp4:
> true" and then connected a cable from the port to my modem/router. No
> issues getting an IP and pinging a site.
> 
> 2. I've tried with and without "renderer: networkd", no difference.
> 
> 3. I've tried with and without "dhcp4" false", no difference.
> 
> 4. I've tried with and without gateway4, no difference.
> 
> 5. I've tried with and without nameservers, no difference.
> 
> 6. sudo netplan --debug apply doesn't show any errors
> 
> 7. I looked at the generated config inside /run/systemd/network
> (included below) and looks ok.
> 
> 8. Debugged systemd-networkd as suggested by this page
> (https://wiki.ubuntu.com/DebuggingSystemd) and I can see this line:
> "enp3s0: Link is not managed by us". That doesn't seemed right as I
> don't have anything else managing my interfaces and as I said in no.1,
> using DHCP worked.
> 
> ----------------------------------------------------------
> Here's my current config:
> 
> >cat /etc/netplan/01-wireless.yaml
> network:
>   version: 2
>   renderer: networkd
>   wifis:
>     wlp2s0:
>       dhcp4: true
>       access-points:
>         "insert-access-point-here":
>           password: "insert-password-here"
> 
> >cat /etc/netplan/02-ethernet.yaml
> network:
>   version: 2
>   renderer: networkd
>   ethernets:
>     enp3s0:
>       addresses: [192.168.2.1/24]
>       gateway4: 192.168.2.254
> 
> >cat /run/systemd/network/10-netplan-wlp2s0.network
> [Match]
> Name=wlp2s0
> [Network]
> DHCP=ipv4
> LinkLocalAddressing=ipv6
> [DHCP]
> UseMTU=true
> RouteMetric=600
> 
> 
> >cat /run/systemd/network/10-netplan-enp3s0.network
> [Match]
> Name=enp3s0
> [Network]
> LinkLocalAddressing=ipv6
> Address=192.168.2.1/24
> Gateway=192.168.2.254
> 
> ----------------------------------------------------------
> Results of netplan --debug apply
> 
> >sudo netplan --debug apply
> 
> ** (generate:13784): DEBUG: 03:16:37.754: Processing input file
> /etc/netplan/01-wireless.yaml..
> ** (generate:13784): DEBUG: 03:16:37.755: starting new processing pass
> ** (generate:13784): DEBUG: 03:16:37.755: wlp2s0: adding wifi AP 'myhotspot'
> ** (generate:13784): DEBUG: 03:16:37.755: Processing input file
> /etc/netplan/02-ethernet.yaml..
> ** (generate:13784): DEBUG: 03:16:37.755: starting new processing pass
> ** (generate:13784): DEBUG: 03:16:37.755: wlp2s0: setting default backend to 1
> ** (generate:13784): DEBUG: 03:16:37.755: enp3s0: setting default backend to 1
> ** (generate:13784): DEBUG: 03:16:37.755: Generating output files..
> ** (generate:13784): DEBUG: 03:16:37.755: wlp2s0: Creating
> wpa_supplicant configuration file run/netplan/wpa-wlp2s0.conf
> ** (generate:13784): DEBUG: 03:16:37.755: Creating wpa_supplicant
> service enablement link
> /run/systemd/system/multi-user.target.wants/netplan-wpa@wlp2s0.service
> ** (generate:13784): DEBUG: 03:16:37.755: NetworkManager: definition
> wlp2s0 is not for us (backend 1)
> ** (generate:13784): DEBUG: 03:16:37.755: NetworkManager: definition
> enp3s0 is not for us (backend 1)
> DEBUG:netplan generated networkd configuration exists, restarting networkd
> DEBUG:no netplan generated NM configuration exists
> DEBUG:wlp2s0 not found in {}
> DEBUG:enp3s0 not found in {}
> DEBUG:Merged config:
> network:
>   bonds: {}
>   bridges: {}
>   ethernets:
>     enp3s0:
>       addresses:
>       - 192.168.100.40/24
>       dhcp4: false
>       dhcp6: true
>       gateway4: 192.168.100.1
>       nameservers:
>         addresses:
>         - 8.8.8.8
>         - 8.8.4.4
>   vlans: {}
>   wifis:
>     wlp2s0:
>       access-points:
>         insert-access-point-here:
>           password: insert-password-here
>       dhcp4: true
> 
> DEBUG:Skipping non-physical interface: lo
> DEBUG:device wlp2s0 operstate is up, not changing
> DEBUG:{}
> DEBUG:netplan triggering .link rules for lo
> DEBUG:netplan triggering .link rules for enp3s0
> DEBUG:netplan triggering .link rules for wlp2s0
> 
> ----------------------------------------------------------
> Results of systemd networkd debugging:
> 
> >sudo SYSTEMD_LOG_LEVEL=debug /lib/systemd/systemd-networkd
> Failed to read $container of PID 1, ignoring: Permission denied
> Found container virtualization none.
> Bus n/a: changing state UNSET → OPENING
> Bus n/a: changing state OPENING → AUTHENTICATING
> Failed to open configuration file '/etc/systemd/networkd.conf': No
> such file or directory
> timestamp of '/etc/systemd/network' changed
> timestamp of '/run/systemd/network' changed
> Ignoring /run/systemd/network/10-netplan-enp3s0.network, because it's
> not a regular file with suffix .netdev.
> Ignoring /run/systemd/network/10-netplan-wlp2s0.network, because it's
> not a regular file with suffix .netdev.
> Ignoring /lib/systemd/network/99-default.link, because it's not a
> regular file with suffix .netdev.
> Ignoring /lib/systemd/network/80-container-ve.network, because it's
> not a regular file with suffix .netdev.
> Ignoring /lib/systemd/network/80-container-vz.network, because it's
> not a regular file with suffix .netdev.
> Ignoring /lib/systemd/network/80-container-host0.network, because it's
> not a regular file with suffix .netdev.
> Ignoring /lib/systemd/network/99-default.link, because it's not a
> regular file with suffix .network.
> wlp2s0: Flags change: +UP +LOWER_UP +RUNNING +MULTICAST +BROADCAST
> wlp2s0: Link 3 added
> wlp2s0: udev initialized link
> wlp2s0: Saved original MTU: 1500
> enp3s0: Flags change: +UP +MULTICAST +BROADCAST
> enp3s0: Link 2 added
> enp3s0: udev initialized link
> enp3s0: Saved original MTU: 1500
> lo: Flags change: +LOOPBACK +UP +LOWER_UP +RUNNING
> lo: Link 1 added
> lo: udev initialized link
> lo: Saved original MTU: 0
> wlp2s0: Adding address: fe80::3613:e8ff:fe41:a078/64 (valid forever)
> wlp2s0: Gained IPv6LL
> lo: Adding address: ::1/128 (valid forever)
> wlp2s0: Adding address: 192.168.1.2/24 (valid forever)
> lo: Adding address: 127.0.0.1/8 (valid forever)
> rtnl: received address with invalid family 129, ignoring
> Enumeration completed
> Bus n/a: changing state AUTHENTICATING → HELLO
> Sent message type=method_call sender=n/a
> destination=org.freedesktop.DBus path=/org/freedesktop/DBus
> interface=org.freedesktop.DBus member=Hello cookie=1 reply_cookie=0
> signature=n/a error-name=n/a error-message=n/a
> Sent message type=method_call sender=n/a
> destination=org.freedesktop.DBus path=/org/freedesktop/DBus
> interface=org.freedesktop.DBus member=RequestName cookie=2
> reply_cookie=0 signature=su error-name=n/a error-message=n/a
> Sent message type=method_call sender=n/a
> destination=org.freedesktop.DBus path=/org/freedesktop/DBus
> interface=org.freedesktop.DBus member=AddMatch cookie=3 reply_cookie=0
> signature=s error-name=n/a error-message=n/a
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1/link/_33
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=4 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1/link/_32
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=5 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1/link/_31
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=6 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1/link/_33
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=7 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1/link/_33
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=8 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=9 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> wlp2s0: Link state is up-to-date
> wlp2s0: found matching network '/run/systemd/network/10-netplan-wlp2s0.network'
> enp3s0: Link is not managed by us
> lo: Link is not managed by us
> LLDP: Started LLDP client
> wlp2s0: Started LLDP.
> wlp2s0: Acquiring DHCPv4 lease
> DHCP CLIENT (0x8f3ad0c0): STARTED on ifindex 3
> wlp2s0: Discovering IPv6 routers
> NDISC: Started IPv6 Router Solicitation client
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1/link/_33
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=10 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1/link/_33
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=11 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1/link/_33
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=12 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> NDISC: Sent Router Solicitation, next solicitation in 3s
> Got message type=method_return sender=org.freedesktop.DBus
> destination=:1.12 path=n/a interface=n/a member=n/a cookie=1
> reply_cookie=1 signature=s error-name=n/a error-message=n/a
> Bus n/a: changing state HELLO → RUNNING
> DHCP CLIENT (0x8f3ad0c0): DISCOVER
> Got message type=signal sender=org.freedesktop.DBus.Local
> destination=n/a path=/org/freedesktop/DBus/Local
> interface=org.freedesktop.DBus.Local member=Connected
> cookie=4294967295 reply_cookie=0 signature=n/a error-name=n/a
> error-message=n/a
> Got message type=signal sender=org.freedesktop.DBus destination=:1.12
> path=/org/freedesktop/DBus interface=org.freedesktop.DBus
> member=NameAcquired cookie=2 reply_cookie=0 signature=s error-name=n/a
> error-message=n/a
> Got message type=signal sender=org.freedesktop.DBus destination=:1.12
> path=/org/freedesktop/DBus interface=org.freedesktop.DBus
> member=NameAcquired cookie=3 reply_cookie=0 signature=s error-name=n/a
> error-message=n/a
> Got message type=method_return sender=org.freedesktop.DBus
> destination=:1.12 path=n/a interface=n/a member=n/a cookie=4
> reply_cookie=2 signature=u error-name=n/a error-message=n/a
> Successfully acquired requested service name.
> Got message type=method_return sender=org.freedesktop.DBus
> destination=:1.12 path=n/a interface=n/a member=n/a cookie=5
> reply_cookie=3 signature=n/a error-name=n/a error-message=n/a
> Match type='signal',sender='org.freedesktop.login1',path='/org/freedesktop/login1',interface='org.freedesktop.login1.Manager',member='PrepareForSleep'
> successfully installed.
> enp3s0: Link state is up-to-date
> enp3s0: found matching network '/run/systemd/network/10-netplan-enp3s0.network'
> lo: Link is not managed by us
> wlp2s0: Link does not request DHCPv6 prefix delegation
> LLDP: Started LLDP client
> enp3s0: Started LLDP.
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1/link/_32
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=13 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> lo: Link state is up-to-date
> No virtualization found in DMI
> No virtualization found in CPUID
> Virtualization XEN not found, /proc/xen does not exist
> This platform does not support /proc/device-tree
> No virtualization found in /proc/cpuinfo.
> This platform does not support /proc/sysinfo
> Found VM virtualization none
> lo: Unmanaged
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1/link/_31
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=14 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> wlp2s0: Removing address: 192.168.1.2/24 (valid forever)
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1/link/_33
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=15 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=16 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> DHCP CLIENT (0x8f3ad0c0): OFFER
> DHCP CLIENT (0x8f3ad0c0): REQUEST (requesting)
> DHCP CLIENT (0x8f3ad0c0): ACK
> wlp2s0: DHCPv4 address 192.168.1.2/24 via 192.168.1.1
> wlp2s0: Updating address: 192.168.1.2/24 (valid forever)
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1/link/_33
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=17 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=18 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> wlp2s0: DHCP error: could not get routes: No data available
> wlp2s0: Configured
> Sent message type=signal sender=n/a destination=n/a
> path=/org/freedesktop/network1/link/_33
> interface=org.freedesktop.DBus.Properties member=PropertiesChanged
> cookie=19 reply_cookie=0 signature=sa{sv}as error-name=n/a
> error-message=n/a
> NDISC: Sent Router Solicitation, next solicitation in 7s
> NDISC: Sent Router Solicitation, next solicitation in 14s
> NDISC: No RA received before link confirmation timeout
> NDISC: Invoking callback for 't'.

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References

Ubuntu bionic server edition + netplan: cannot get static IP on Ethernet Port
From: Jay Viper, 2019-03-30