diff --git a/openwrt/viwib-2-configure.sh b/openwrt/viwib-2-configure.sh
index cb16a40..d720d6d 100755
--- a/openwrt/viwib-2-configure.sh
+++ b/openwrt/viwib-2-configure.sh
@@ -122,7 +122,7 @@ uci commit
 # ensure no overlapping networks are there
 ip addr del 192.168.1.1/24 dev br-lan
 
-ping -c5 ungleich.ch || exit 1
+ping6 -c5 ungleich.ch || exit 1
 
 # update the sources
 opkg update
@@ -198,7 +198,7 @@ viwib_ip=${my_lan_ip}
 
 sleep 15
 
-while ! ping -c5 ${viwib_ip}; do
+while ! ping6 -c5 ${viwib_ip}; do
     echo "Waiting for viwib ${id}"
     sleep 2
 done
diff --git a/openwrt/viwib1.public_key b/openwrt/viwib1.public_key
new file mode 100644
index 0000000..fcfff40
--- /dev/null
+++ b/openwrt/viwib1.public_key
@@ -0,0 +1 @@
+/m35eP83YNduvxCXUYpjVrMKMW+cyi65CXrtPscWAAY=
diff --git a/openwrt/viwib4.public_key b/openwrt/viwib4.public_key
new file mode 100644
index 0000000..27e3640
--- /dev/null
+++ b/openwrt/viwib4.public_key
@@ -0,0 +1 @@
+r/MGL7pNWaF8qL/g8v0e/1wlQqgCbdeF15pMwEFvMW0=
diff --git a/openwrt/viwib4.rootpw b/openwrt/viwib4.rootpw
new file mode 100644
index 0000000..9a8673d
--- /dev/null
+++ b/openwrt/viwib4.rootpw
@@ -0,0 +1 @@
+ta9oc1eecahP1iutho3eixeel8eich2u