10.2.2. Configuring masquerade mode with dual-stack (IPv4 and IPv6)

Procedure

1. In a new virtual machine configuration, include an interface with masquerade and configure the IPv6 address and default gateway by using cloud-init.

   apiVersion: kubevirt.io/v1
   kind: VirtualMachine
   metadata:
     name: example-vm-ipv6
   spec:
     template:
       spec:
         domain:
           devices:
             interfaces:
               - name: default
                 masquerade: {} 

   1

   
                 ports:
                   - port: 80 

   2

   
   # ...
         networks:
         - name: default
           pod: {}
         volumes:
         - cloudInitNoCloud:
             networkData: |
               version: 2
               ethernets:
                 eth0:
                   dhcp4: true
                   addresses: [ fd10:0:2::2/120 ] 

   3

   
                   gateway6: fd10:0:2::1 

   4

   1

   Connect using masquerade mode.

   2

   Allows incoming traffic on port 80 to the virtual machine.

   3

   The static IPv6 address as determined by the Network.pod.vmIPv6NetworkCIDR field in the virtual machine instance configuration. The default value is fd10:0:2::2/120.

   4

   The gateway IP address as determined by the Network.pod.vmIPv6NetworkCIDR field in the virtual machine instance configuration. The default value is fd10:0:2::1.

2. Create the virtual machine in the namespace:

   $ oc create -f example-vm-ipv6.yaml