diff --git a/plugins/snmp/snmp__if_combined b/plugins/snmp/snmp__if_combined
index 222d3513..15bb7e8d 100755
--- a/plugins/snmp/snmp__if_combined
+++ b/plugins/snmp/snmp__if_combined
@@ -598,7 +598,7 @@ END
 
     print "graph_order";
     foreach my $if (sort {$a <=> $b} keys %{$snmpinfo}) {
-      print " recv$if=snmp_if_combined_err.$if.recv send$if=snmp_if_combined_err.$if.send";
+      print " recv$if=snmp_if_combined_err.$if.total_in send$if=snmp_if_combined_err.$if.total_out";
     }
     print "\n";
 
@@ -686,14 +686,33 @@ graph_args --base 1000
 graph_vlabel errors in (-) / out (+) per \${graph_period}
 graph_category network
 
-recv.label recv
-recv.type DERIVE
-recv.graph no
-recv.min 0
-send.label Errors
-send.type DERIVE
-send.negative recv
-send.min 0
+errors_in.label $alias
+errors_in.graph no
+errors_in.label recv
+errors_in.type DERIVE
+errors_in.min 0
+errors_out.label Errors
+errors_out.negative errors_in
+errors_out.type DERIVE
+errors_out.min 0
+
+discards_in.label $alias
+discards_in.graph no
+discards_in.type DERIVE
+discards_in.min 0
+discards_out.label Discards
+discards_out.negative discards_in
+discards_out.type DERIVE
+discards_out.min 0
+
+total_in.label $alias
+total_in.graph no
+total_in.type DERIVE
+total_in.min 0
+total_out.label $alias
+total_out.graph no
+total_out.type DERIVE
+total_out.min 0
 END
 }
 
@@ -729,24 +748,39 @@ sub do_fetch_if {
     print "multigraph snmp_if_combined_err.$if\n";
 
     if ($status == 2) {
-	print "recv.value U\n";
-	print "send.value U\n";
-	print "send.extinfo This interface is down\n";
+	print <<END;
+errors_in.value U
+errors_out.value U
+discards_in.value U
+discards_out.value U
+total_in.value U
+total_out.value U
+send.extinfo This interface is currently down
+END
 	return;
     }
 
-    $response = ( $snmpinfo->{$if}->{ifInErrors} || 0 ) +
-      ( $snmpinfo->{$if}->{ifInDiscards} || 0 );
+    $errors = $snmpinfo->{$if}->{ifInErrors};
+    $discards = $snmpinfo->{$if}->{ifInDiscards};
+    printf("errors_in %s\n".
+	   "discards_in %s\n".
+	   "total_in %s\n",
+	   $errors || "U",
+	   $discards || "U",
+	   ($errors || 0) + ($discards || 0)
+	  );
 
-    print "recv.value $response\n";
-
-    $response = ( $snmpinfo->{$if}->{ifOutErrors} || 0 ) +
-      ( $snmpinfo->{$if}->{ifOutDiscards} || 0 );
-
-    print "send.value $response\n";
+    $errors = $snmpinfo->{$if}->{ifOutErrors};
+    $discards = $snmpinfo->{$if}->{ifOutDiscards};
+    printf("errors_out %s\n".
+	   "discards_out %s\n".
+	   "total_out %s\n",
+	   $errors || "U",
+	   $discards || "U",
+	   ($errors || 0) + ($discards || 0)
+	  );
 }
 
-
 sub do_config {
 
     my ($host,undef,$version) = Munin::Plugin::SNMP->config_session();