Sample flannel CNI plugin configuration. By default, it is stored at /etc/cni/net.d/10-flannel.conflist.

10-flannel.conflist

{
  "name": "cni0",
  "plugins": [
    {
      "type": "flannel",
      "delegate": {
		  "ipMasq": false,
        "hairpinMode": true,
        "isDefaultGateway": true
      }
    }
  ]
}