How to translate old 'ip' commands to netplan config for Ubuntu 18.04 on AWS EC2












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Previously I had a script to apply my second static IP and route on the default NIC on boot like so:



ip addr del 192.168.123.123/32 dev ens5
ip route add 172.25.65.0/24 dev ens5 src 192.168.123.123/32


But since upgrading to Ubuntu 18.04, occasionally the systemd/networking refresh will delete the interface around 7am (and NTPD will log to syslog soon after 'deleteting interface 192.168.123.123/32' sending me on a wild goose chase)



How can I translate the above commands to a netplan config that will play nice with the existing ens5 config that is autogenerated by AWS?



Alternatively I tried adding a second IP in AWS console, but it tells me it must be in 172 range.










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    0















    Previously I had a script to apply my second static IP and route on the default NIC on boot like so:



    ip addr del 192.168.123.123/32 dev ens5
    ip route add 172.25.65.0/24 dev ens5 src 192.168.123.123/32


    But since upgrading to Ubuntu 18.04, occasionally the systemd/networking refresh will delete the interface around 7am (and NTPD will log to syslog soon after 'deleteting interface 192.168.123.123/32' sending me on a wild goose chase)



    How can I translate the above commands to a netplan config that will play nice with the existing ens5 config that is autogenerated by AWS?



    Alternatively I tried adding a second IP in AWS console, but it tells me it must be in 172 range.










    share|improve this question

























      0












      0








      0








      Previously I had a script to apply my second static IP and route on the default NIC on boot like so:



      ip addr del 192.168.123.123/32 dev ens5
      ip route add 172.25.65.0/24 dev ens5 src 192.168.123.123/32


      But since upgrading to Ubuntu 18.04, occasionally the systemd/networking refresh will delete the interface around 7am (and NTPD will log to syslog soon after 'deleteting interface 192.168.123.123/32' sending me on a wild goose chase)



      How can I translate the above commands to a netplan config that will play nice with the existing ens5 config that is autogenerated by AWS?



      Alternatively I tried adding a second IP in AWS console, but it tells me it must be in 172 range.










      share|improve this question














      Previously I had a script to apply my second static IP and route on the default NIC on boot like so:



      ip addr del 192.168.123.123/32 dev ens5
      ip route add 172.25.65.0/24 dev ens5 src 192.168.123.123/32


      But since upgrading to Ubuntu 18.04, occasionally the systemd/networking refresh will delete the interface around 7am (and NTPD will log to syslog soon after 'deleteting interface 192.168.123.123/32' sending me on a wild goose chase)



      How can I translate the above commands to a netplan config that will play nice with the existing ens5 config that is autogenerated by AWS?



      Alternatively I tried adding a second IP in AWS console, but it tells me it must be in 172 range.







      linux networking amazon-web-services amazon-ec2 netplan






      share|improve this question













      share|improve this question











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      share|improve this question










      asked Jan 15 at 9:22









      user2819573user2819573

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