Support for IPv6 NAT Mode

[Daniel P. Berrangé]

On Tue, Aug 23, 2022 at 08:07:57PM +0530, vaishu venkat wrote:
> Hi Team,
>             We currently experiment with the IPv6 application inside the
> QEMU/KVM. But by default, Ipv6 is only enabled in the route mode, not able
> to figure out how to change this NAT mode. I have attached the screenshot
> for your reference.
> 
> Could you please guide us for changing the IPv6 in NAT mode.

You need to use the XML editting UI to change to set the 'ipv6=yes'
attribute on the <nat> element, eg

<network>
  <name>demo</name>
  <uuid>.....</uuid>
  <forward mode="nat">
    <nat ipv6="yes">
      <port start="1024" end="65535"/>
    </nat>
  </forward>
  ....
  <ip address="192.168.100.1" netmask="255.255.255.0">
  </ip>
  <ip family="ipv6" address="fd23:3333:3333:2222::" prefix="64">
  </ip>
</network>


With regards,
Daniel
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