diff --git a/apps/shell/shell-reboot.c b/apps/shell/shell-reboot.c
index 6b8152bd2..ded90cf5f 100644
--- a/apps/shell/shell-reboot.c
+++ b/apps/shell/shell-reboot.c
@@ -56,6 +56,9 @@ SHELL_COMMAND(reboot_command,
 PROCESS_THREAD(shell_reboot_process, ev, data)
 {
   static struct etimer etimer;
+
+  PROCESS_EXITHANDLER(leds_off(LEDS_ALL);)
+  
   PROCESS_BEGIN();
 
   shell_output_str(&reboot_command,
diff --git a/core/net/rpl/rpl.h b/core/net/rpl/rpl.h
index 2c81f36fa..4c992bcb0 100644
--- a/core/net/rpl/rpl.h
+++ b/core/net/rpl/rpl.h
@@ -129,7 +129,11 @@
 #define DEFAULT_RPL_LIFETIME_UNIT       0xffff
 #define DEFAULT_RPL_DEF_LIFETIME        0xff
 
+#ifndef RPL_CONF_MIN_HOPRANKINC
 #define DEFAULT_MIN_HOPRANKINC          256
+#else
+#define DEFAULT_MIN_HOPRANKINC RPL_CONF_MIN_HOPRANKINC
+#endif
 #define DEFAULT_MAX_RANKINC             (3 * DEFAULT_MIN_HOPRANKINC)
 
 #define DAG_RANK(fixpt_rank, dag)	((fixpt_rank) / (dag)->min_hoprankinc)
diff --git a/core/net/sicslowpan.c b/core/net/sicslowpan.c
index d4e790ca3..2a795d09d 100644
--- a/core/net/sicslowpan.c
+++ b/core/net/sicslowpan.c
@@ -104,7 +104,7 @@ void uip_log(char *msg);
 #ifdef SICSLOWPAN_CONF_MAX_MAC_TRANSMISSIONS
 #define SICSLOWPAN_MAX_MAC_TRANSMISSIONS SICSLOWPAN_CONF_MAX_MAC_TRANSMISSIONS
 #else
-#define SICSLOWPAN_MAX_MAC_TRANSMISSIONS 3
+#define SICSLOWPAN_MAX_MAC_TRANSMISSIONS 4
 #endif
 
 #ifndef SICSLOWPAN_COMPRESSION
@@ -1297,13 +1297,20 @@ output(uip_lladdr_t *localdest)
                      SICSLOWPAN_MAX_MAC_TRANSMISSIONS);
 
 #define TCP_FIN 0x01
+#define TCP_ACK 0x10
+#define TCP_CTL 0x3f
   /* Set stream mode for all TCP packets, except FIN packets. */
   if(UIP_IP_BUF->proto == UIP_PROTO_TCP &&
-     (UIP_TCP_BUF->flags & TCP_FIN) == 0) {
+     (UIP_TCP_BUF->flags & TCP_FIN) == 0 &&
+     (UIP_TCP_BUF->flags & TCP_CTL) != TCP_ACK) {
     packetbuf_set_attr(PACKETBUF_ATTR_PACKET_TYPE,
                        PACKETBUF_ATTR_PACKET_TYPE_STREAM);
+  } else if(UIP_IP_BUF->proto == UIP_PROTO_TCP &&
+            (UIP_TCP_BUF->flags & TCP_FIN) == TCP_FIN) {
+    packetbuf_set_attr(PACKETBUF_ATTR_PACKET_TYPE,
+                       PACKETBUF_ATTR_PACKET_TYPE_STREAM_END);
   }
-    
+
   /*
    * The destination address will be tagged to each outbound
    * packet. If the argument localdest is NULL, we are sending a
diff --git a/tools/csc/csc-compute-neighbor-stats b/tools/csc/csc-compute-neighbor-stats
new file mode 100755
index 000000000..4ccaa1461
--- /dev/null
+++ b/tools/csc/csc-compute-neighbor-stats
@@ -0,0 +1,54 @@
+#!/usr/bin/perl
+
+$num = 0;
+$override_range = $ARGV[0];
+
+# Go through the .csc file; find the transmission range and all the
+# nodes' x and y coordinates.
+while(<STDIN>) {
+    if(/\<transmitting_range\>([\d.]+)\<\//) {
+        $range = $1;
+    }
+
+    if(/\<x\>([\d.]+)\</) {
+        $x[$num] = $1;
+    }
+    if(/\<y\>([\d.]+)\</) {
+        $y[$num] = $1;
+        $num++;
+    }
+}
+print "Range $range num $num override range $override_range\n";
+
+if($override_range) {
+    $range = $override_range;
+}
+
+$no_neighbors = 0;
+$all_neighbors = 0;
+$total_neighbors = 0;
+# Go through all nodes, find how many are in their range.
+for($i = 0; $i < $num; $i++) {
+    $neighbors = 0;
+    for($j = 0; $j < $num; $j++) {
+        if($i != $j) {
+            if(($x[$i] - $x[$j]) * ($x[$i] - $x[$j]) +
+               ($y[$i] - $y[$j]) * ($y[$i] - $y[$j]) <=
+               $range * $range) {
+                $neighbors++;
+            }
+        }
+    }
+    if($neighbors == 0) {
+        $no_neighbors++;
+    }
+    if($neighbors == $num - 1) {
+        $all_neighbors++;
+    }
+    $total_neighbors += $neighbors;
+}
+print "Num nodes $num, average neighbors " . ($total_neighbors / $num) .
+    ", $no_neighbors nodes (" . (100 * $no_neighbors / $num) .
+    "%) have no neighbors, $all_neighbors (" . (100 * $all_neighbors / $num) .
+    "%) have all nodes as neighbors\n";
+
diff --git a/tools/csc/csc-create-range-success b/tools/csc/csc-create-range-success
new file mode 100755
index 000000000..c58f90530
--- /dev/null
+++ b/tools/csc/csc-create-range-success
@@ -0,0 +1,29 @@
+#!/usr/bin/perl
+
+
+$csc = $ARGV[0];
+$range = $ARGV[1];
+$success = $ARGV[2];
+
+if(!$success) {
+    print "takes a .csc file as input, creates a .csc file with a given tx range and reliability\n";
+    exit 0;
+}
+
+open(F, $csc);
+
+$csc =~ s/\.csc/-$range-$success.csc/g;
+
+open(O, "> $csc");
+
+while(<F>) {
+    if(m-\<transmitting_range\>[\d.]+\</transmitting_range\>-) {
+        print O "<transmitting_range>$range</transmitting_range>\n";
+    } elsif(m-\<interference_range\>[\d.]+\</interference_range\>-) {
+        print O "<interference_range>" . ($range * 2) . "</transmitting_range>\n";
+    } elsif(m-\<success_ratio_rx\>[\d.]+\</success_ratio_rx\>-) {
+        print O "<success_ratio_rx>$success</success_ratio_rx>\n";
+    } else {
+        print O;
+    }
+}