diff --git a/setup-viirb.sh b/setup-viirb.sh
index 2f8ba82..e6e2638 100755
--- a/setup-viirb.sh
+++ b/setup-viirb.sh
@@ -23,6 +23,7 @@ if [ $# -lt 4 ]; then
 fi
 
 echo "FIXME: missing IPv6 announcements on LAN"
+echo "FIXME: DNS situation: upstream, non upstream, ungleich, how to resolve tunnel endpoint"
 
 set -x