[pve-devel] [PATCH pve-docs] sdn: vxlan: add note that ipv6 underlay networks are not supported

[pve-devel] [PATCH pve-docs] sdn: vxlan: add note that ipv6 underlay networks are not supported

[Hannes Duerr]

ifupdown2 currently does not support ipv6 remote-ip and local-tunnelip
[0] which means that we also cannot support ipv6 underlay networks in
our VxLAN zone.

[0] https://github.com/CumulusNetworks/ifupdown2/issues/175

Signed-off-by: Hannes Duerr <h.duerr@proxmox.com>
---
 pvesdn.adoc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pvesdn.adoc b/pvesdn.adoc
index 43e2569..947ee15 100644
--- a/pvesdn.adoc
+++ b/pvesdn.adoc
@@ -296,6 +296,8 @@ WARNING: VXLAN on its own does does not provide any encryption. When joining
   multiple sites via VXLAN, make sure to establish a secure connection between
   the site, for example by using a site-to-site VPN.
 
+NOTE: Currently, IPv6 networks are not supported as underlay networks.
+
 VXLAN zone configuration options:
 
 Peers Address List:: A list of IP addresses of each node in the VXLAN zone. This
-- 
2.47.2



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Re: [pve-devel] [PATCH pve-docs] sdn: vxlan: add note that ipv6 underlay networks are not supported

[Hannes Duerr]

ping

On 7/3/25 15:09, Hannes Duerr wrote:
> ifupdown2 currently does not support ipv6 remote-ip and local-tunnelip
> [0] which means that we also cannot support ipv6 underlay networks in
> our VxLAN zone.
>
> [0] https://github.com/CumulusNetworks/ifupdown2/issues/175
>
> Signed-off-by: Hannes Duerr <h.duerr@proxmox.com>
> ---
>   pvesdn.adoc | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/pvesdn.adoc b/pvesdn.adoc
> index 43e2569..947ee15 100644
> --- a/pvesdn.adoc
> +++ b/pvesdn.adoc
> @@ -296,6 +296,8 @@ WARNING: VXLAN on its own does does not provide any encryption. When joining
>     multiple sites via VXLAN, make sure to establish a secure connection between
>     the site, for example by using a site-to-site VPN.
>   
> +NOTE: Currently, IPv6 networks are not supported as underlay networks.
> +
>   VXLAN zone configuration options:
>   
>   Peers Address List:: A list of IP addresses of each node in the VXLAN zone. This


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