From: Hannes Laimer <h.laimer@proxmox.com>
To: pve-devel@lists.proxmox.com
Subject: [pve-devel] superseded: [PATCH pve-network] sdn: evpn: fix IPv6 exitnode local routing
Date: Mon, 19 Jan 2026 12:06:58 +0100 [thread overview]
Message-ID: <98e2ff8f-7385-4ad4-9710-295e170b86c2@proxmox.com> (raw)
In-Reply-To: <20260116163338.142289-1-h.laimer@proxmox.com>
superseded-by:
https://lore.proxmox.com/pve-devel/20260119110534.18200-1-h.laimer@proxmox.com/T/#u
On 1/16/26 17:32, Hannes Laimer wrote:
> IPv6 subnets on exitnodes had no working local-routing path. Add a v6
> address on the xvrf veth pair and install IPv6 routes via that next-hop.
>
> Signed-off-by: Hannes Laimer <h.laimer@proxmox.com>
> ---
> src/PVE/Network/SDN/Controllers/EvpnPlugin.pm | 7 ++++++-
> src/PVE/Network/SDN/Zones/EvpnPlugin.pm | 2 ++
> 2 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/src/PVE/Network/SDN/Controllers/EvpnPlugin.pm b/src/PVE/Network/SDN/Controllers/EvpnPlugin.pm
> index e53000a..74fc35d 100644
> --- a/src/PVE/Network/SDN/Controllers/EvpnPlugin.pm
> +++ b/src/PVE/Network/SDN/Controllers/EvpnPlugin.pm
> @@ -462,7 +462,12 @@ sub generate_vnet_frr_config {
> foreach my $subnetid (sort keys %{$subnets}) {
> my $subnet = $subnets->{$subnetid};
> my $cidr = $subnet->{cidr};
> - push @controller_config, "ip route $cidr 10.255.255.2 xvrf_$zoneid";
> + my ($ip) = split(/\//, $cidr, 2);
> + if (Net::IP::ip_is_ipv6($ip)) {
> + push @controller_config, "ipv6 route $cidr fd00:ffff::2 xvrf_$zoneid";
> + } else {
> + push @controller_config, "ip route $cidr 10.255.255.2 xvrf_$zoneid";
> + }
> }
> push(@{ $config->{frr_ip_protocol} }, @controller_config);
> }
> diff --git a/src/PVE/Network/SDN/Zones/EvpnPlugin.pm b/src/PVE/Network/SDN/Zones/EvpnPlugin.pm
> index 6d89499..4a61a4d 100644
> --- a/src/PVE/Network/SDN/Zones/EvpnPlugin.pm
> +++ b/src/PVE/Network/SDN/Zones/EvpnPlugin.pm
> @@ -327,6 +327,7 @@ sub generate_sdn_config {
> @iface_config = ();
> push @iface_config, "link-type veth";
> push @iface_config, "address 10.255.255.1/30";
> + push @iface_config, "address6 fd00:ffff::1/126" if $ipv6;
> push @iface_config, "veth-peer-name $iface_xvrfp";
> push @iface_config, "mtu " . ($mtu + 50) if $mtu;
> push(@{ $config->{$iface_xvrf} }, @iface_config) if !$config->{$iface_xvrf};
> @@ -334,6 +335,7 @@ sub generate_sdn_config {
> @iface_config = ();
> push @iface_config, "link-type veth";
> push @iface_config, "address 10.255.255.2/30";
> + push @iface_config, "address6 fd00:ffff::2/126" if $ipv6;
> push @iface_config, "veth-peer-name $iface_xvrf";
> push @iface_config, "vrf $vrf_iface";
> push @iface_config, "mtu " . ($mtu + 50) if $mtu;
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prev parent reply other threads:[~2026-01-19 11:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-16 16:33 [pve-devel] " Hannes Laimer
2026-01-19 11:06 ` Hannes Laimer [this message]
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