diff --git a/plugins/other/ip6_ b/plugins/other/ip6_
index 2346d2a5..099de58c 100755
--- a/plugins/other/ip6_
+++ b/plugins/other/ip6_
@@ -43,28 +43,26 @@ if [ "$1" = "autoconf" ]; then
 fi
 
 if [ "$1" = "suggest" ]; then
-	ip6tables -L INPUT -v -n -x 2>/dev/null | awk '$8 ~ /[0-9]/ { if (done[$8]!=1) {print $8; done[$8]=1;}}'
+	ip6tables -L INPUT -v -n -x 2>/dev/null | awk --posix '$8 ~ /^([0-9a-f]{1,4}(\:|\:\:)){1,7}([0-9a-f]{1,4})\/([0-9]{1,3})$/ { if (done[$8]!=1) {print $8; done[$8]=1;}}'|sed "s#/[0-9]\{1,3\}##"
 	exit 0
 fi
 
 if [ "$1" = "config" ]; then
-
-        echo "graph_order out in"
-        echo "graph_title $IP traffic"
-        echo 'graph_args --base 1000'
-        echo 'graph_vlabel bits per ${graph_period}'
+	echo "graph_order out in"
+	echo "graph_title $IP IPv6 traffic"
+	echo 'graph_args --base 1000'
+	echo 'graph_vlabel bits per ${graph_period}'
 	echo 'graph_category network'
-        echo 'out.label sent'
-        echo 'out.type DERIVE'
-        echo 'out.min 0'
-        echo 'out.cdef out,8,*'
-        echo 'in.label received'
-        echo 'in.type DERIVE'
-        echo 'in.min 0'
-        echo 'in.cdef in,8,*' 
-        exit 0
+	echo 'out.label sent'
+	echo 'out.type DERIVE'
+	echo 'out.min 0'
+	echo 'out.cdef out,8,*'
+	echo 'in.label received'
+	echo 'in.type DERIVE'
+	echo 'in.min 0'
+	echo 'in.cdef in,8,*' 
+	exit 0
 fi;
 
 ip6tables -L INPUT -v -n -x | grep -m1 $IP | awk "{ print \"in.value \" \$2 }"
 ip6tables -L OUTPUT -v -n -x | grep -m1 $IP | awk "{ print \"out.value \" \$2 }"
-