netplan command to re-arrange nameserver ips in resolv.conf












0















I have 2 network interfaces on the Ubuntu 18.04.2 LTS. Interface ens160 is public network, which take internet traffic and Interface ens192 is internal network. Each interface has it sets of DNS servers. When I run netplan apply command I get internal network DNS Servers as top 2 name servers in the /etc/resolv.conf file instead of public network's DNS servers This is causing slowness when talking to internet.



# cat /etc/resolv.conf
nameserver 10.120.0.10 <---internal network DNS Server
nameserver 10.120.0.20 <---internal network DNS Server
nameserver 190.90.7.20 <---public network DNS Server
# Too many DNS servers configured, the following entries may be ignored.
nameserver 190.90.7.50 <---public network DNS Server
search domain.com
#









share|improve this question























  • Try separating your ethernet interfaces into two different .yaml files, and start their filenames with 01- and 02-, using the lowered numbered file with public DNS servers, and the higher numbered file with internal DNS servers. (reverse this if they are still in the wrong order in /etc/resolv.conf).

    – heynnema
    3 hours ago













  • It didn't work. I created two separate files for each interface under /etc/netplan directory.

    – bobby
    2 hours ago











  • When using two files, edit your question with the output of resolvectl. I'm curious where it places the DNS servers in relation to the interfaces.

    – heynnema
    9 mins ago
















0















I have 2 network interfaces on the Ubuntu 18.04.2 LTS. Interface ens160 is public network, which take internet traffic and Interface ens192 is internal network. Each interface has it sets of DNS servers. When I run netplan apply command I get internal network DNS Servers as top 2 name servers in the /etc/resolv.conf file instead of public network's DNS servers This is causing slowness when talking to internet.



# cat /etc/resolv.conf
nameserver 10.120.0.10 <---internal network DNS Server
nameserver 10.120.0.20 <---internal network DNS Server
nameserver 190.90.7.20 <---public network DNS Server
# Too many DNS servers configured, the following entries may be ignored.
nameserver 190.90.7.50 <---public network DNS Server
search domain.com
#









share|improve this question























  • Try separating your ethernet interfaces into two different .yaml files, and start their filenames with 01- and 02-, using the lowered numbered file with public DNS servers, and the higher numbered file with internal DNS servers. (reverse this if they are still in the wrong order in /etc/resolv.conf).

    – heynnema
    3 hours ago













  • It didn't work. I created two separate files for each interface under /etc/netplan directory.

    – bobby
    2 hours ago











  • When using two files, edit your question with the output of resolvectl. I'm curious where it places the DNS servers in relation to the interfaces.

    – heynnema
    9 mins ago














0












0








0








I have 2 network interfaces on the Ubuntu 18.04.2 LTS. Interface ens160 is public network, which take internet traffic and Interface ens192 is internal network. Each interface has it sets of DNS servers. When I run netplan apply command I get internal network DNS Servers as top 2 name servers in the /etc/resolv.conf file instead of public network's DNS servers This is causing slowness when talking to internet.



# cat /etc/resolv.conf
nameserver 10.120.0.10 <---internal network DNS Server
nameserver 10.120.0.20 <---internal network DNS Server
nameserver 190.90.7.20 <---public network DNS Server
# Too many DNS servers configured, the following entries may be ignored.
nameserver 190.90.7.50 <---public network DNS Server
search domain.com
#









share|improve this question














I have 2 network interfaces on the Ubuntu 18.04.2 LTS. Interface ens160 is public network, which take internet traffic and Interface ens192 is internal network. Each interface has it sets of DNS servers. When I run netplan apply command I get internal network DNS Servers as top 2 name servers in the /etc/resolv.conf file instead of public network's DNS servers This is causing slowness when talking to internet.



# cat /etc/resolv.conf
nameserver 10.120.0.10 <---internal network DNS Server
nameserver 10.120.0.20 <---internal network DNS Server
nameserver 190.90.7.20 <---public network DNS Server
# Too many DNS servers configured, the following entries may be ignored.
nameserver 190.90.7.50 <---public network DNS Server
search domain.com
#






18.04






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 4 hours ago









bobbybobby

11




11













  • Try separating your ethernet interfaces into two different .yaml files, and start their filenames with 01- and 02-, using the lowered numbered file with public DNS servers, and the higher numbered file with internal DNS servers. (reverse this if they are still in the wrong order in /etc/resolv.conf).

    – heynnema
    3 hours ago













  • It didn't work. I created two separate files for each interface under /etc/netplan directory.

    – bobby
    2 hours ago











  • When using two files, edit your question with the output of resolvectl. I'm curious where it places the DNS servers in relation to the interfaces.

    – heynnema
    9 mins ago



















  • Try separating your ethernet interfaces into two different .yaml files, and start their filenames with 01- and 02-, using the lowered numbered file with public DNS servers, and the higher numbered file with internal DNS servers. (reverse this if they are still in the wrong order in /etc/resolv.conf).

    – heynnema
    3 hours ago













  • It didn't work. I created two separate files for each interface under /etc/netplan directory.

    – bobby
    2 hours ago











  • When using two files, edit your question with the output of resolvectl. I'm curious where it places the DNS servers in relation to the interfaces.

    – heynnema
    9 mins ago

















Try separating your ethernet interfaces into two different .yaml files, and start their filenames with 01- and 02-, using the lowered numbered file with public DNS servers, and the higher numbered file with internal DNS servers. (reverse this if they are still in the wrong order in /etc/resolv.conf).

– heynnema
3 hours ago







Try separating your ethernet interfaces into two different .yaml files, and start their filenames with 01- and 02-, using the lowered numbered file with public DNS servers, and the higher numbered file with internal DNS servers. (reverse this if they are still in the wrong order in /etc/resolv.conf).

– heynnema
3 hours ago















It didn't work. I created two separate files for each interface under /etc/netplan directory.

– bobby
2 hours ago





It didn't work. I created two separate files for each interface under /etc/netplan directory.

– bobby
2 hours ago













When using two files, edit your question with the output of resolvectl. I'm curious where it places the DNS servers in relation to the interfaces.

– heynnema
9 mins ago





When using two files, edit your question with the output of resolvectl. I'm curious where it places the DNS servers in relation to the interfaces.

– heynnema
9 mins ago










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