now with ipv6!

etc/config/dhcp.tpl

@@ -19,10 +19,15 @@ config dhcp 'lan'
         option leasetime '12h'
         option dhcpv6 'server'
         option ra 'server'
+        option ndp 'hybrid'
 
 config dhcp 'wan'
-        option interface 'wan'
-        option ignore '1'
+        option ignore       '1'
+        option interface    'wan'
+        option dhcpv6       'relay'
+        option ra           'relay'
+        option ndp          'relay'
+        option master       '1'
 
 config odhcpd 'odhcpd'
         option maindhcp '0'

etc/config/network.tpl

@@ -1,3 +1,6 @@
+config globals globals
+    option 'ula_prefix' "${LAN6_SUBNET}"
+
 config 'interface'    'loopback'
     option 'ifname'   'lo'
     option 'proto'    'static'
@@ -11,7 +14,12 @@ config 'interface'    'lan'
     option 'ipaddr'   "${LAN_ADDR}"
     option 'gateway'  "${LAN_GW}"
     option 'netmask'  "${LAN_NETMASK}"
+    option 'ip6assign' 64
 
 config 'interface'    'wan'
     option 'ifname'   'eth1'
-    option 'proto'    'dhcp'
+    option 'proto'    'dhcp'
+
+config 'interface'    'wan6'
+    option 'ifname'   'eth1'
+    option 'proto'    'dhcpv6'

openwrt.conf.example

@@ -16,6 +16,7 @@ UPSTREAM_DNS_SERVER=192.168.12.2
 LAN_NAME=openwrt-lan
 LAN_DOMAIN=home
 LAN_SUBNET=192.168.16.0/24
+LAN6_SUBNET=fd99:1234::/48
 LAN_ADDR=192.168.16.2
 LAN_HOST=192.168.16.1
 # openwrt doesn't accept CIDR notation; must match LAN_SUBNET

run.sh

@@ -92,8 +92,9 @@ function _create_or_start_container() {
       --cap-add NET_RAW \
       --hostname openwrt \
       --ip $LAN_ADDR \
-      --sysctl net.ipv4.conf.default.arp_ignore=1 \
       --sysctl net.netfilter.nf_conntrack_acct=1 \
+      --sysctl net.ipv6.conf.all.disable_ipv6=0 \
+      --sysctl net.ipv6.conf.all.forwarding=1 \
       --name $CONTAINER $BUILD_TAG >/dev/null
     docker network connect $WAN_NAME $CONTAINER