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When creating a namespace with ip netns add <namespace> the namespace and its related config are deleted on reboot along with created interfaces like veth pairs. What is the correct way to:

  1. Create network namespaces on boot (or create persistent namespace configuration if that's a more correct way to put it?)

  2. Create veth pairs on boot, set them to the appropriate namespace, bring them up and configure IP address?

  3. Bring a physical interface up without assigning it an IP address so I can add it to an Open vSwitch (I have added iface <name> inet manual to /etc/network/interface, is this the right way?)

Any help would be appreciated along with references to proper documentation or explanations.

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  • Which distro are you running? Commented May 16, 2016 at 15:47
  • Ubuntu server 16.04 Commented May 19, 2016 at 8:12
  • 1
    I do not know specifically about Ubuntu but all distributions allow you normally to attach hooks to interfaces/network being put up or down, so you should use that to run a script of yours that would setup the namespace on the other things you need. Commented Nov 26, 2017 at 16:38
  • See How to create permanent linux network namespace on ServerFault. Commented Jan 24, 2024 at 17:11

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