50-cloud-init.yaml, optional: true - will the network interface get initialized if it gets online after the...












0















Good evening



Unfortunately, the Man Page: https://netplan.io/reference
is not precise in the description for the optional (bool) property.



If one interface has this setting:



ethernets: 

  eth0: 

    optional: true


and the Interface gets online some time after the boot sequence, does networkd initialize it as soon as it detects the Interface?



I ask how it is designed/meant to be
and not how a specific OS Version implements it :-)



Thanks a lot for any help!






networking network-manager ethernet netplan







share|improve this question



























    0















    Good evening



    Unfortunately, the Man Page: https://netplan.io/reference
    is not precise in the description for the optional (bool) property.



    If one interface has this setting:



    ethernets: 
    
  eth0: 
    
    optional: true


    and the Interface gets online some time after the boot sequence, does networkd initialize it as soon as it detects the Interface?



    I ask how it is designed/meant to be
    and not how a specific OS Version implements it :-)



    Thanks a lot for any help!






    networking network-manager ethernet netplan







    share|improve this question

























      0












      0








      0








      Good evening



      Unfortunately, the Man Page: https://netplan.io/reference
      is not precise in the description for the optional (bool) property.



      If one interface has this setting:



      ethernets: 
      
  eth0: 
      
    optional: true


      and the Interface gets online some time after the boot sequence, does networkd initialize it as soon as it detects the Interface?



      I ask how it is designed/meant to be
      and not how a specific OS Version implements it :-)



      Thanks a lot for any help!






      networking network-manager ethernet netplan







      share|improve this question














      Good evening



      Unfortunately, the Man Page: https://netplan.io/reference
      is not precise in the description for the optional (bool) property.



      If one interface has this setting:



      ethernets: 
      
  eth0: 
      
    optional: true


      and the Interface gets online some time after the boot sequence, does networkd initialize it as soon as it detects the Interface?



      I ask how it is designed/meant to be
      and not how a specific OS Version implements it :-)



      Thanks a lot for any help!






      networking network-manager ethernet netplan




      networking network-manager ethernet netplan






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 7 hours ago









      TomTom

      11




      11






















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          0














          Yes, it does. optional interfaces are treated the same as any other interface by networkd, they just don't block the boot.






          share|improve this answer































            0














            Without the optional: true statement, ethernet network interfaces that are not completely ready can add an additional 2+ minutes to the boot time.



            With the optional: true statement, the boot cycle will continue, without delay, and it'll bring up the ethernet network interfaces when they're ready.



            Unless you've got a specific ethernet network interface that MUST be completely operational for other services to properly start (like a WAN port), go ahead and add this statement to the other ethernet interface stanzas.






            share|improve this answer

























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              Yes, it does. optional interfaces are treated the same as any other interface by networkd, they just don't block the boot.






              share|improve this answer




























                0














                Yes, it does. optional interfaces are treated the same as any other interface by networkd, they just don't block the boot.






                share|improve this answer


























                  0












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                  0







                  Yes, it does. optional interfaces are treated the same as any other interface by networkd, they just don't block the boot.






                  share|improve this answer













                  Yes, it does. optional interfaces are treated the same as any other interface by networkd, they just don't block the boot.







                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered 7 hours ago









                  slangasekslangasek

                  2,49811419




                  2,49811419

























                      0














                      Without the optional: true statement, ethernet network interfaces that are not completely ready can add an additional 2+ minutes to the boot time.



                      With the optional: true statement, the boot cycle will continue, without delay, and it'll bring up the ethernet network interfaces when they're ready.



                      Unless you've got a specific ethernet network interface that MUST be completely operational for other services to properly start (like a WAN port), go ahead and add this statement to the other ethernet interface stanzas.






                      share|improve this answer






























                        0














                        Without the optional: true statement, ethernet network interfaces that are not completely ready can add an additional 2+ minutes to the boot time.



                        With the optional: true statement, the boot cycle will continue, without delay, and it'll bring up the ethernet network interfaces when they're ready.



                        Unless you've got a specific ethernet network interface that MUST be completely operational for other services to properly start (like a WAN port), go ahead and add this statement to the other ethernet interface stanzas.






                        share|improve this answer




























                          0












                          0








                          0







                          Without the optional: true statement, ethernet network interfaces that are not completely ready can add an additional 2+ minutes to the boot time.



                          With the optional: true statement, the boot cycle will continue, without delay, and it'll bring up the ethernet network interfaces when they're ready.



                          Unless you've got a specific ethernet network interface that MUST be completely operational for other services to properly start (like a WAN port), go ahead and add this statement to the other ethernet interface stanzas.






                          share|improve this answer















                          Without the optional: true statement, ethernet network interfaces that are not completely ready can add an additional 2+ minutes to the boot time.



                          With the optional: true statement, the boot cycle will continue, without delay, and it'll bring up the ethernet network interfaces when they're ready.



                          Unless you've got a specific ethernet network interface that MUST be completely operational for other services to properly start (like a WAN port), go ahead and add this statement to the other ethernet interface stanzas.







                          share|improve this answer














                          share|improve this answer



                          share|improve this answer








                          edited 6 hours ago

























                          answered 6 hours ago









                          heynnemaheynnema

                          19.2k22156




                          19.2k22156






























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