nodes/home.*: add ipv6 site-local ip addressing and v6-only vlan

nodes/home.hass.toml

@@ -6,7 +6,10 @@ bundles = [
 groups = ["debian-bookworm"]
 
 [metadata.interfaces.enp1s0]
-ips = ["172.19.138.25/24"]
+ips = [
+    "172.19.138.25/24",
+    "fd90:2017:0:1138::25/64",
+]
 gateway4 = "172.19.138.1"
 ipv6_accept_ra = true
 

nodes/home/nas.py

@@ -25,6 +25,7 @@ nodes['home.nas'] = {
             'br1138': {
                 'ips': {
                     '172.19.138.20/24',
+                    'fd90:2017:0:1138::20/64',
                 },
                 'gateway4': '172.19.138.1',
                 'ipv6_accept_ra': True,

nodes/home/router.py

@@ -19,6 +19,7 @@ nodes['home.router'] = {
             'enp1s0.1138': {
                 'ips': {
                     '172.19.138.1/24',
+                    'fd90:2017:0:1138::1/64',
                 },
             },
             'enp1s0.1139': {
@@ -26,6 +27,11 @@ nodes['home.router'] = {
                     '172.19.139.1/24',
                 },
             },
+            'enp1s0.2000': {
+                'ips': {
+                    'fd90:2017:0:2000::1/64',
+                },
+            },
         },
         'backups': {
             'exclude_from_backups': True,
@@ -104,8 +110,17 @@ nodes['home.router'] = {
         },
         'radvd': {
             'interfaces': {
-                'enp1s0.1138': {},
+                'enp1s0.1138': {
+                    'rdnss': {
+                        'fd90:2017:0:1138::1',
+                    },
+                },
                 'enp1s0.1139': {},
+                'enp1s0.2000': {
+                    'rdnss': {
+                        'fd90:2017:0:2000::1',
+                    },
+                },
             },
         },
         'postfix': {
@@ -152,6 +167,7 @@ nodes['home.router'] = {
             'targets': {
                 'enp1s0.1138': '1',
                 'enp1s0.1139': '2',
+                'enp1s0.2000': '3',
             },
         },
         'wireguard': {