+# ipsec support
+if [ "${IPSEC_VXLAN_TUNNELS_ENABLED}" == "yes" ]; then
+ ALL_NODES=(${OPENSTACK_CONTROL_NODE_IP} ${COMPUTE_IPS[*]})
+ for ((inx_ip1=0; inx_ip1<$((${#ALL_NODES[@]} - 1)); inx_ip1++))
+ do
+ for ((inx_ip2=$((inx_ip1 + 1)); inx_ip2<${#ALL_NODES[@]}; inx_ip2++))
+ do
+ KEY1=0x$(dd if=/dev/urandom count=32 bs=1 2> /dev/null| xxd -p -c 64)
+ KEY2=0x$(dd if=/dev/urandom count=32 bs=1 2> /dev/null| xxd -p -c 64)
+ ID=0x$(dd if=/dev/urandom count=4 bs=1 2> /dev/null| xxd -p -c 8)
+ ip1=${ALL_NODES[$inx_ip1]}
+ ip2=${ALL_NODES[$inx_ip2]}
+ ${SSH} $ip1 "sudo ip xfrm state add src $ip1 dst $ip2 proto esp spi $ID reqid $ID mode transport auth sha256 $KEY1 enc aes $KEY2"
+ ${SSH} $ip1 "sudo ip xfrm state add src $ip2 dst $ip1 proto esp spi $ID reqid $ID mode transport auth sha256 $KEY1 enc aes $KEY2"
+ ${SSH} $ip1 "sudo ip xfrm policy add src $ip1 dst $ip2 proto udp dir out tmpl src $ip1 dst $ip2 proto esp reqid $ID mode transport"
+ ${SSH} $ip1 "sudo ip xfrm policy add src $ip2 dst $ip1 proto udp dir in tmpl src $ip2 dst $ip1 proto esp reqid $ID mode transport"
+
+ ${SSH} $ip2 "sudo ip xfrm state add src $ip2 dst $ip1 proto esp spi $ID reqid $ID mode transport auth sha256 $KEY1 enc aes $KEY2"
+ ${SSH} $ip2 "sudo ip xfrm state add src $ip1 dst $ip2 proto esp spi $ID reqid $ID mode transport auth sha256 $KEY1 enc aes $KEY2"
+ ${SSH} $ip2 "sudo ip xfrm policy add src $ip2 dst $ip1 proto udp dir out tmpl src $ip2 dst $ip1 proto esp reqid $ID mode transport"
+ ${SSH} $ip2 "sudo ip xfrm policy add src $ip1 dst $ip2 proto udp dir in tmpl src $ip1 dst $ip2 proto esp reqid $ID mode transport"
+ done
+ done
+
+ for ip in ${OPENSTACK_CONTROL_NODE_IP} ${COMPUTE_IPS[*]}
+ do
+ echo "ip xfrm configuration for node $ip:"
+ ${SSH} $ip "sudo ip xfrm policy list"
+ ${SSH} $ip "sudo ip xfrm state list"
+ done
+fi
+