Hi @SimoK ,

Name resolution will be done by the DNS server you setup in your static IP config.
 

To set a static IP, you would need delete all existing yaml files except for the 01-netcfg.yaml and make your changes in there. 

Steps are below,
1.    cd /etc/netplan
2.    Delete all XX-netcfg.yaml files except 01-netcfg.yaml
3.    vi /etc/netplan/01-netcfg.yaml
4.    Copy the sample below.
5.    Update for correct IP and Gateway address
6.    Save
7.    Run “netplan apply”

Sample:
network:
  version: 2
  ethernets:
    eth0:
      dhcp4: false
      addresses:
      - <Server ADDR>/24
      gateway4: <Gateway ADDR for VLAN>
      nameservers:
       addresses:
       - <DNS IP Addr>
       search:
       - <Search Domain>

Cheers

What this means? No matter what ever DNS server address i give it says the same invalid YAML error

root@ifstestcloud01:/etc/netplan# nano 01-netcfg.yaml
root@ifstestcloud01:/etc/netplan# sudo netplan apply
/etc/netplan/01-netcfg.yaml:10:1: Invalid YAML: tabs are not allowed for indent:
        addresses: e10.20.10.2, 10.20.10.11]
^
root@ifstestcloud01:/etc/netplan# nano 01-netcfg.yaml
root@ifstestcloud01:/etc/netplan# sudo netplan apply
/etc/netplan/01-netcfg.yaml:10:1: Invalid YAML: tabs are not allowed for indent:
        addresses: r10.20.10.11]
^
root@ifstestcloud01:/etc/netplan# ^C
root@ifstestcloud01:/etc/netplan# nano 01-netcfg.yaml
root@ifstestcloud01:/etc/netplan# sudo netplan apply
/etc/netplan/01-netcfg.yaml:10:1: Invalid YAML: tabs are not allowed for indent:
        addresses: 8.8.8.8. 8.8.4.4]
^
root@ifstestcloud01:/etc/netplan# cat 01-netcfg.yaml
network:
  version: 2
  renderer: networkd
  ethernets:
    eth0:
      dhcp4: no
      addresses: 10.20.14.29/24]
      gateway4: 10.20.14.1
      nameservers:
        addresses: e8.8.8.8. 8.8.4.4]
        search: 8insta.fi]
 

Hi

There was some trash in the 01-netcfg.yaml file. I open the vi editor and did go all the lines true one by one. Then apply command worked

br

Simo Kallio