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--- public:v6dns [2026/01/14 18:59] – Upgraded headings daniel
+++ public:v6dns [2026/01/14 19:16] (current) – Reformatted nmcli reversal directive daniel
@@ Line 10: / Line 10: @@
 ====Router====
-IPv6 router advertisement (RA) is akin to IPv4's DHCP. It might be sub-optimal to run dual-stack clients without a resolver on an IPv6 address, but Unbound and Pihole can answer A and AAAA queries for either stack, and everything seems to work with just the one.
+IPv6 router advertisement (RA) is akin to IPv4's DHCP. It might be sub-optimal to run dual-stack clients on your network without a resolver on an IPv6 address, but Unbound and Pihole can answer A and AAAA queries for either stack, and everything seems to work with just the one.
-EdgeOS keeps a nameserver configuration value for each dual-stack VLAN. Only the VIF IDs differ between directives:
+Review a given VLAN's RA
-  delete interfaces switch switch0 vif 1 ipv6 router-advert name-server 2601:666:6666:5EB0::10
+  show interfaces switch switch0 vif 10 ipv6 router-advert
-  delete interfaces switch switch0 vif 10 ipv6 router-advert name-server 2601:666:6666:5EB0::10
-  delete interfaces switch switch0 vif 20 ipv6 router-advert name-server 2601:666:6666:5EB0::10
-  delete interfaces switch switch0 vif 30 ipv6 router-advert name-server 2601:666:6666:5EB0::10
-To reverse deletion, use **set** in place of **delete**
+Remove the //name-server// from each dual-stack VLAN's RA
+  delete interfaces switch switch0 vif 1 ipv6 router-advert name-server
+  delete interfaces switch switch0 vif 10 ipv6 router-advert name-server
+  delete interfaces switch switch0 vif 20 ipv6 router-advert name-server
+  delete interfaces switch switch0 vif 30 ipv6 router-advert name-server
+Reverse a removal
+  set interfaces switch switch0 vif 10 ipv6 router-advert name-server 2601:666:6666:5EB0::10
 ====Pihole====
@@ Line 38: / Line 44: @@
   interface: 2601:666:6666:5EB0::10@53
-Verify
+Restart the service, and verify
+  sudo systemctl restart unbound
   ss -tl
@@ Line 58: / Line 65: @@
   sudo nmcli con down 'Wired connection 1' && sudo nmcli con up 'Wired connection 1'
-To reverse removal, use **+ipv6.addresses** in place of **-ipv6.addresses**
+Reverse a removal
+  sudo nmcli con mod 'Wired connection 1' +ipv6.addresses 2601:666:6666:5EB0::10/128