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You are viewing documentation for CNI version: v0.7

CNI v0.7 documentation is no longer actively maintained. The version you are currently viewing is a static snapshot. For up-to-date documentation, see the latest release, v0.9, or the current documentation.

Plugins Overview


Build Status

Some CNI network plugins, maintained by the containernetworking team. For more information, see the individual READMEs.

Reference plugins:

Main: interface-creating

  • bridge : Creates a bridge, adds the host and the container to it.
  • ipvlan : Adds an ipvlan interface in the container
  • loopback: Creates a loopback interface
  • macvlan : Creates a new MAC address, forwards all traffic to that to the container
  • ptp : Creates a veth pair.
  • vlan: Allocates a vlan device.

IPAM: IP address allocation

  • dhcp : Runs a daemon on the host to make DHCP requests on behalf of the container
  • host-local : maintains a local database of allocated IPs

Meta: other plugins

  • flannel : generates an interface corresponding to a flannel config file
  • tuning : Tweaks sysctl parameters of an existing interface
  • portmap : An iptables-based portmapping plugin. Maps ports from the host’s address space to the container.


The sample plugin provides an example for building your own plugin.