switch to macvlan networking

.env

@@ -3,9 +3,11 @@ CONTAINER=openwrt_1
 
 # docker network settings
 NET_NAME=openwrt_net
-NET_SUBNET=192.168.99.0/24
-NET_ADDR=192.168.99.2
-NET_GW=192.168.99.1
+NET_PARENT=enp0s20f0u4
+NET_SUBNET=192.168.12.0/24
+NET_ADDR=192.168.12.4
+NET_GW=192.168.12.1
+NET_HOST=192.168.12.3
 # openwrt doesn't accept CIDR notation; must match NET_SUBNET
 NET_NETMASK=255.255.255.0
 

run.sh

@@ -57,11 +57,17 @@ function _cleanup {
 
 function _create_or_start_container {
   echo "* setting up docker network"
-  docker network create --driver bridge \
+  docker network create --driver macvlan \
+    -o parent=$NET_PARENT \
     --gateway $NET_GW \
     --subnet $NET_SUBNET \
       $NET_NAME 2>/dev/null
 
+  sudo ip link add macvlan0 link $NET_PARENT type macvlan mode bridge
+  sudo ip addr add $NET_HOST/24 dev macvlan0
+  sudo ip link set macvlan0 up
+  sudo ip route add $NET_ADDR/32 dev macvlan0
+
   docker inspect $CONTAINER >/dev/null 2>&1
   if [[ $? -eq 0 ]]; then
     echo "* starting container '$CONTAINER'"