superseded-by:
https://lore.proxmox.com/pve-devel/[email protected]/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 <[email protected]>
---
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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