superseded: [pve-devel] [PATCH network 0/6] add EVPN IPv6 underlay support

[Hannes Laimer <h.laimer@proxmox.com>]

superseded-by:
https://lore.proxmox.com/pve-devel/20260515110648.217493-1-h.laimer@proxmox.com/

On 2026-01-22 14:51, Hannes Laimer wrote:
> This adds basic IPv6 underlay support for EVPN zones.
> This does rely on [1], without it FRR won't advertise v6 next-hops. So
> this should not be applied before the FRR version we ship includes [1],
> based on @Gabriel's estimate this could be included in a version that may
> be released early next month(february). I did test this with the latest
> master of FRR.
> 
> (this also needs the changes to `get_local_route_ip` added with [2])
> 
> Aside from that, like for VXLAN, we prefer IPv6 if the underlaying
> fabric should offer both, and we don't support peer addresses with
> different IP versions. So either all v6 or all v4.
> 
> 
> [1] https://github.com/FRRouting/frr/pull/19498
> [2] https://lore.proxmox.com/pve-devel/20260116110843.89615-2-h.laimer@proxmox.com/T/#u
> 
> pve-network:
> 
> Hannes Laimer (6):
>   sdn: evpn: prepare IPv6 underlay support
>   sdn: controller: fallback to interface mac if no master
>   sdn: controller: prevent invalid router-id generation from zero mac
>   sdn: evpn: keep router-id valid on IPv6 underlay
>   sdn: vxlan: sort peer IPs when generating sdn config
>   sdn: evpn: add tests covering ipv6 underlays
> 
>  src/PVE/Network/SDN/Controllers/EvpnPlugin.pm | 70 ++++++++++++---
>  src/PVE/Network/SDN/Controllers/Plugin.pm     |  9 +-
>  src/PVE/Network/SDN/Zones/EvpnPlugin.pm       | 28 ++++--
>  src/PVE/Network/SDN/Zones/VxlanPlugin.pm      |  2 +-
>  .../expected_controller_config                | 64 ++++++++++++++
>  .../expected_sdn_interfaces                   | 56 ++++++++++++
>  .../exitnode_local_routing_ipv6/interfaces    |  7 ++
>  .../exitnode_local_routing_ipv6/sdn_config    | 27 ++++++
>  .../expected_controller_config                | 86 +++++++++++++++++++
>  .../expected_sdn_interfaces                   | 64 ++++++++++++++
>  .../evpn/openfabric_fabric_ipv6/interfaces    |  6 ++
>  .../evpn/openfabric_fabric_ipv6/sdn_config    | 83 ++++++++++++++++++
>  .../expected_controller_config                | 74 ++++++++++++++++
>  .../expected_sdn_interfaces                   | 58 +++++++++++++
>  .../openfabric_fabric_ipv6_only/interfaces    |  6 ++
>  .../openfabric_fabric_ipv6_only/sdn_config    | 79 +++++++++++++++++
>  16 files changed, 701 insertions(+), 18 deletions(-)
>  create mode 100644 src/test/zones/evpn/exitnode_local_routing_ipv6/expected_controller_config
>  create mode 100644 src/test/zones/evpn/exitnode_local_routing_ipv6/expected_sdn_interfaces
>  create mode 100644 src/test/zones/evpn/exitnode_local_routing_ipv6/interfaces
>  create mode 100644 src/test/zones/evpn/exitnode_local_routing_ipv6/sdn_config
>  create mode 100644 src/test/zones/evpn/openfabric_fabric_ipv6/expected_controller_config
>  create mode 100644 src/test/zones/evpn/openfabric_fabric_ipv6/expected_sdn_interfaces
>  create mode 100644 src/test/zones/evpn/openfabric_fabric_ipv6/interfaces
>  create mode 100644 src/test/zones/evpn/openfabric_fabric_ipv6/sdn_config
>  create mode 100644 src/test/zones/evpn/openfabric_fabric_ipv6_only/expected_controller_config
>  create mode 100644 src/test/zones/evpn/openfabric_fabric_ipv6_only/expected_sdn_interfaces
>  create mode 100644 src/test/zones/evpn/openfabric_fabric_ipv6_only/interfaces
>  create mode 100644 src/test/zones/evpn/openfabric_fabric_ipv6_only/sdn_config
> 
> 
> Summary over all repositories:
>   16 files changed, 701 insertions(+), 18 deletions(-)
>