diff --git a/content/u/blog/redundant-ipv6-routers-multiple-prefixes/contents.lr b/content/u/blog/redundant-ipv6-routers-multiple-prefixes/contents.lr
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+title: Building stateless redundant IPv6 routers
+---
+pub_date: 2021-04-21
+---
+author: ungleich virtualisation team
+---
+twitter_handle: ungleich
+---
+_hidden: no
+---
+_discoverable: no
+---
+abstract:
+It's time for IPv6 in docker, too.
+---
+body:
+
+```
+interface eth1.2
+{
+  AdvSendAdvert on;
+  MinRtrAdvInterval 3;
+  MaxRtrAdvInterval 5;
+  AdvDefaultLifetime 10;
+
+  prefix 2a0a:e5c0:0:0::/64 { };
+  prefix 2a0a:e5c0:0:10::/64 { };
+
+  RDNSS 2a0a:e5c0:0:a::a 2a0a:e5c0:0:a::b { AdvRDNSSLifetime 6000; };
+  DNSSL place5.ungleich.ch {  AdvDNSSLLifetime 6000; } ;
+};
+```