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I followed the steps mentioned at https://spredzy.wordpress.com/2013/11/22/enable-network-namespaces-in-centos-6-4/. But it doesn't seem to help. I'm still getting this error -

[root@localhost app]# ip netns Object "netns" is unknown, try "ip help".

Can anyone help me in enabling Linux Namespaces in Centos 6.5?

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  • did you actually install the mentioned kernel from RDO repo ?
    – tonioc
    Oct 26, 2015 at 12:19
  • @tonioc: Problem's solved. In CentOS 6.5 - kernel itself supports network namespace, but iproute does not support network namespace. I had the OpenStack kernel but wasn't using the correct iproute rpm which is - iproute-2.6.32-130.el6ost.netns.2.x86_64 Installing this rpm solved it.
    – tcpip
    Oct 27, 2015 at 13:12

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