diff --git a/creationRoutesVM.sh b/creationRoutesVM.sh
index 633490c..41fe589 100755
--- a/creationRoutesVM.sh
+++ b/creationRoutesVM.sh
@@ -172,7 +172,7 @@ for ID_RANGE_V4 in ${ID_RANGES_V4}; do
 		${COMMAND}
 
 		# Updating ARP
-		COMMAND="ip neigh change ${VM_IPV4} lladdr ${MAC} dev tap${VM_ID}i0"
+		COMMAND="ip neigh add ${VM_IPV4} lladdr ${MAC} dev tap${VM_ID}i0"
 		echo "${COMMAND}"
 		write_log INFO "${COMMAND}"
 		${COMMAND}
@@ -199,6 +199,9 @@ for ID_RANGE_V6 in ${ID_RANGES_V6}; do
 			VM_NH=$(ipv6calc --action prefixmac2ipv6 --in prefix+mac --out ipv6addr fe80:: ${MAC})
 		fi
 
+		# Activation of IPv6 on the tap interface
+		sysctl net.ipv6.conf.tap${VM_ID}i0.disable_ipv6=1
+
 		# Ajout de la route associée
 		COMMAND="ip -6 route add ${VM_IPV6}/48 via ${VM_NH} dev tap${VM_ID}i0"
 		echo "${COMMAND}"
@@ -206,7 +209,7 @@ for ID_RANGE_V6 in ${ID_RANGES_V6}; do
 		${COMMAND}
 
 		# Updating NDP
-		COMMAND="ip neigh change ${VM_NH} lladdr ${MAC} dev tap${VM_ID}i0"
+		COMMAND="ip neigh add ${VM_NH} lladdr ${MAC} dev tap${VM_ID}i0"
 		echo "${COMMAND}"
 		write_log INFO "${COMMAND}"
 		${COMMAND}