diff --git a/network.yml b/network.yml
index fec4170..43f2297 100755
--- a/network.yml
+++ b/network.yml
@@ -22,6 +22,8 @@
 
 
 # Déploiement du service re2o aurore-firewall et keepalived
+# radvd: IPv6 SLAAC (/64 subnets, private IPs).
+#   Must NOT be on routeur-aurore-*, or will with DHCPv6!
 - hosts: ~routeur-(pacaterie|edc|fleming|gs).*\.adm\.auro\.re
   roles:
     - router