k3s/vendor/github.com/containernetworking/plugins/README.md

plugins

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

Plugins supplied:

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.

Sample

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