#!/bin/sh
-local PREFIX="$(echo $profile_ipv6_prefix| cut -d "/" -f 1| sed 's/::/:/')"
-local MAC="$(ifconfig $1 |grep HWaddr | awk '{ print $5 '})"
-local IPV6_UNIQ="$(echo $MAC | awk -F: '{ print $1$2":"$3$4":"$5$6 }')"
+netrenamed=$1
+
+local PREFIX="$(echo $ipv6_prefix| cut -d "/" -f 1| sed 's/::/:/')"
+
+# Get the devices mac address
+local device="$(uci -p/var/state -q get network.$1.ifname)"
+if [ -n "$device" ]; then
+ local MAC="$(ifconfig $netrenamed |grep HWaddr | awk '{ print $5 '})"
+else
+ local MAC="$(cat /sys/class/net/$1/address)"
+ local IPV6_UNIQ="$(echo $MAC | awk -F: '{ print $1$2":"$3$4":"$5$6 }')"
+fi
echo "${PREFIX}${IPV6_UNIQ}:1"