diff --git a/start.sh b/start.sh
index 8b506b8..af04325 100755
--- a/start.sh
+++ b/start.sh
@@ -24,8 +24,6 @@ function reset() {
   pkill -e babeld
   rm -rv /tmp/switch* /tmp/ns*
   ip route delete 172.17.0.0/16
-  ip -6 route delete 2a0c:700:3012:3::1:0/112
-  ip -6 route delete 2a0c:700:3012:3::2:0/112
   nft flush ruleset
 }
 
@@ -41,7 +39,6 @@ sudo vde_plug --daemon vde:///tmp/ext tap://vde0
 sudo ip link set dev vde0 address 02:00:00:00:00:00
 sudo ip link set dev vde0 up
 sudo ip address add 10.2.1.1/30 dev vde0
-sudo ip address add 2a0c:700:3012:3::ff:0/127 dev vde0
 
 # Setup NAT
 nft -f $dir/firewall/nat.conf
@@ -63,9 +60,7 @@ for i in 1 2 3 4; do
     tmux send-keys -t ns$i "ip link set dev vde0 address 02:00:00:00:00:01" Enter
     tmux send-keys -t ns$i "ip link set dev vde0 up" Enter
     tmux send-keys -t ns$i "ip address add 10.2.1.2/30 dev vde0" Enter
-    tmux send-keys -t ns$i "ip address add 2a0c:700:3012:3::ff:1/127 dev vde0" Enter
     tmux send-keys -t ns$i "ip route add default via 10.2.1.1 dev vde0 proto kernel" Enter
-    tmux send-keys -t ns$i "ip -6 route add default via 2a0c:700:3012:3::ff:0 dev vde0 proto kernel" Enter
     tmux send-keys -t ns$i "echo \"interface vde0 type wired\" >> /tmp/ns$i/babeld.conf" Enter
     tmux send-keys -t ns$i "echo \"redistribute metric 256\" >> /tmp/ns$i/babeld.conf" Enter
   fi
@@ -82,7 +77,6 @@ for i in 1 2 3; do
   tmux send-keys -t ns$i "ip link set dev vde1 address 02:00:00:00:01:0$i" Enter
   tmux send-keys -t ns$i "ip link set dev vde1 up" Enter
   tmux send-keys -t ns$i "ip address add 172.17.1.$i/32 dev vde1" Enter
-  tmux send-keys -t ns$i "ip address add 2a0c:700:3012:3::1:$i/128 dev vde1" Enter
   tmux send-keys -t ns$i "echo \"interface vde1 type wired\" >> /tmp/ns$i/babeld.conf" Enter
 done
 
@@ -93,18 +87,15 @@ for i in 2 3 4; do
   tmux send-keys -t ns$i "ip link set dev vde2 address 02:00:00:00:02:0$i" Enter
   tmux send-keys -t ns$i "ip link set dev vde2 up" Enter
   tmux send-keys -t ns$i "ip address add 172.17.2.$i/32 dev vde2" Enter
-  tmux send-keys -t ns$i "ip address add 2a0c:700:3012:3::2:$i/128 dev vde2" Enter
   tmux send-keys -t ns$i "echo \"interface vde2 type wired\" >> /tmp/ns$i/babeld.conf" Enter
 done
 
 ip route add 172.17.0.0/16 via 10.2.1.2
-ip -6 route add 2a0c:700:3012:3::1:0/112 via 2a0c:700:3012:3::ff:1
-ip -6 route add 2a0c:700:3012:3::2:0/112 via 2a0c:700:3012:3::ff:1
 
 # Restrict HTTP transport on node 2
 tmux send-keys -t ns2 "nft -f $dir/firewall/restrict-http.conf" Enter
 # Put a higher metric for node 3, to enforce babel to choose node 2
-tmux send-keys -t ns4 "echo \"in neigh fe80::ff:fe00:202\" metric 512"
+echo "in neigh fe80::ff:fe00:202 metric 512" > /tmp/ns4/babeld.conf
 
 for i in 1 2 3 4; do
   tmux send-keys -t ns$i "touch /etc/babeld.conf && mount --bind /tmp/ns$i/babeld.conf /etc/babeld.conf" Enter