diff --git a/snmp/bat.sh b/snmp/bat.sh
index ae51e161..2a4dba83 100755
--- a/snmp/bat.sh
+++ b/snmp/bat.sh
@@ -22,12 +22,23 @@ GETVALUES() {
 	echo "$1"
 }
 
+GETOUTVALUE() {
+	snmpget -m $MIBFILE $HOSTNAME $COMMUNITY interfaces.ifTable.ifEntry.ifOutOctets.$1 | awk '{print $4}'
+}
+
+GETINVALUE() {
+	snmpget -m $MIBFILE $HOSTNAME $COMMUNITY interfaces.ifTable.ifEntry.ifInOctets.$1 | awk '{print $4}'
+}
+
 case "$1" in
 	bata)
 		GETVALUES $1 6
 		;;
 	batb)
-		GETVALUES $1 4
+		echo " $(GETOUTVALUE 4) + $(GETOUTVALUE 5) + $(GETOUTVALUE 8) " | bc
+		echo " $(GETINVALUE 4) + $(GETINVALUE 5) + $(GETINVALUE 8) " | bc
+		echo ""
+		echo "$1"
 		;;
 	batc)
 		GETVALUES $1 14