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--- doc:appunti:net:ipv6_on_ppp [2026/09/25 16:56] – [Using a static addresses] niccolo
+++ doc:appunti:net:ipv6_on_ppp [2026/09/25 17:08] (current) – [Using a static IPv6 address] niccolo
@@ Line 561: / Line 561: @@
 As stated above, the address autoamtically assigned to the **ppp0** interface may be **dynamic**, so we must use one of the addresses from the **delegated /56 prefix**.
-FIXME
+In the configuration file **/etc/wide-dhcpv6/dhcp6c.conf** shown above we already defined the site-level aggregator ID 3 (**sla-id**) to be appended to the /56 prefix and the interface ID 1 (**ifid**) to obtain the full IPv6 address **2a02:2427:513:1c03::1** that is assigned to the **br0** interface.
+That IPv6 address is guaranteed to be static and assigned to the firewall, so you can use it for incoming connections and you can register it as an AAAA record in the DNS. But outgoiung IPv6 connections originating from the firewall itself use the ppp0 address, which may be dynamic.
+FIXME
 ===== MRU and MTU for PPPoE =====