diff --git a/.cuberc b/.cuberc
new file mode 100644
index 0000000..e69de29
diff --git a/.routerstartup b/.routerstartup
new file mode 100644
index 0000000..f7fceb0
--- /dev/null
+++ b/.routerstartup
@@ -0,0 +1 @@
+router --silent
\ No newline at end of file
diff --git a/apis/net.lua b/apis/net.lua
index 072bcc5..10b9985 100644
--- a/apis/net.lua
+++ b/apis/net.lua
@@ -17,6 +17,7 @@ local function isPacketOk(packet)
     return false;
   end
 
+
   if not packet.routerId or not packet.sourceId then
     return false;
   end
@@ -69,7 +70,7 @@ local function createNetwork(el, modem, routingChannel, timeoutInSec)
     local sourceLabel = os.getComputerLabel();
     local routerId = nil;
 
-    if _G.isRouterEnabled == true then
+    if _G.isRouterEnabled then
       routerId = sourceId
     end
 
@@ -87,7 +88,7 @@ local function createNetwork(el, modem, routingChannel, timeoutInSec)
       return nil;
     end
 
-    if packet.destId == sourceLabel then
+    if packet.destId == nil or packet.destId == sourceLabel then
       os.queueEvent('modem_message', peripheral.getName(modem), channel, channel, packet, 0);
     end
 
diff --git a/cube.lua b/cube.lua
index 7ed5717..1137720 100644
--- a/cube.lua
+++ b/cube.lua
@@ -147,6 +147,17 @@ local COMMANDS = {
       return;
     end
 
+    if tonumber(machineId) then
+      local ok, result, packet = net.sendRequest(CUBE_CHANNEL, 'reboot', true, tonumber(machineId))
+
+      if not ok then
+        error(result)
+      end
+
+      print('reboot machine \'' .. tostring(packet.sourceId) .. '\'.');
+      return
+    end
+
     local ok, results, packets = net.sendMultipleRequests(CUBE_CHANNEL, 'reboot', true, machineId);
 
     if not ok then
diff --git a/router.lua b/router.lua
index 2428136..c93b9db 100644
--- a/router.lua
+++ b/router.lua
@@ -1,4 +1,4 @@
-local _VERSION = '1.2.0';
+local _VERSION = '1.3.1';
 
 local firstArg = ...;
 
@@ -7,28 +7,30 @@ if firstArg == '-version' or firstArg == '--version' then
   return;
 end
 
-if firstArg then
-  error('Invalid router argument.');
-  return
+local verbose = true
+local printVerbose = print
+
+if firstArg == '-silent' or firstArg == '--silent' then
+  verbose = false
+  printVerbose = function() end
 end
 
 local ROUTER_CHANNEL = 10;
-local VERBOSE = true;
 
 local modem = peripheral.find("modem") or error("modem not found");
 modem.open(ROUTER_CHANNEL);
 
-print('started router on port ' .. tostring(ROUTER_CHANNEL) .. '...')
+printVerbose('started router on port ' .. tostring(ROUTER_CHANNEL) .. '...')
 
 local routerId = os.getComputerID();
 
 _G.isRouterEnabled = true;
 
 while true do
-  local channel, replyChannel, payload;
+  local channel, replyChannel, payload, distance;
 
   repeat
-    _, _, channel, replyChannel, payload = os.pullEvent("modem_message");
+    _, _, channel, replyChannel, payload, distance = os.pullEvent("modem_message");
 
     local channelOk = channel == ROUTER_CHANNEL;
     local payloadOk = type(payload) == 'table' and not payload.routerId;
@@ -38,17 +40,21 @@ while true do
 
   if payload and not payload.routerId then
     payload.routerId = routerId;
-    modem.transmit(replyChannel, replyChannel, payload);
-  end
 
-  if VERBOSE then
-    if payload.destId then
-      print("Routed message from " .. tostring(payload.sourceId)
-        .. " to " .. tostring(payload.destId)
-        .. " using channel " .. tostring(replyChannel));
-    else
-      print("Broadcasted message from " .. tostring(payload.sourceId)
-        .. " using channel " .. tostring(replyChannel));
+    if payload.destId == nil or payload.destId == os.getComputerID() or payload.destId == os.getComputerLabel() then
+      os.queueEvent('modem_message', peripheral.getName(modem), replyChannel, replyChannel, payload, distance);
+    end
+    if payload.destId ~= os.getComputerID() then
+      modem.transmit(replyChannel, replyChannel, payload);
     end
   end
+
+  if payload.destId then
+    printVerbose("Routed message from " .. tostring(payload.sourceId)
+      .. " to " .. tostring(payload.destId)
+      .. " using channel " .. tostring(replyChannel));
+  else
+    printVerbose("Broadcasted message from " .. tostring(payload.sourceId)
+      .. " using channel " .. tostring(replyChannel));
+  end
 end
diff --git a/servers/cube-server.lua b/servers/cube-server.lua
index 196a346..90d6544 100644
--- a/servers/cube-server.lua
+++ b/servers/cube-server.lua
@@ -4,8 +4,8 @@ local net = require('/apis/net')();
 
 local CUBE_CHANNEL = 64;
 
-local function trim(str)
-  return str:gsub("%s+", "");
+local function trim(s)
+  return (string.gsub(s, "^%s*(.-)%s*$", "%1"))
 end
 
 local function readFile(path)
diff --git a/servers/cube-startup.lua b/servers/cube-startup.lua
index e274ea9..bb27261 100644
--- a/servers/cube-startup.lua
+++ b/servers/cube-startup.lua
@@ -1,7 +1,7 @@
 local _VERSION = '1.0.0';
 
-local function trim(str)
-  return str:gsub("%s+", "");
+local function trim(s)
+  return (string.gsub(s, "^%s*(.-)%s*$", "%1"))
 end
 
 local function readFile(path)
@@ -21,7 +21,7 @@ local startupCommand = trim(readFile('.cubestartup') or "");
 
 
 if startupCommand ~= "" then
-  print('cube-startup v' .. _VERSION .. ': execute \'' .. startupCommand .. '\'...')
+  print('cube-startup v' .. _VERSION .. ': execute \'' .. startupCommand .. '\'...');
   shell.run(startupCommand);
 else
   print('cube-startup v' .. _VERSION .. ' no startup command detected.')
diff --git a/servers/ping-server.lua b/servers/ping-server.lua
index 3adb2bf..3cf2042 100644
--- a/servers/ping-server.lua
+++ b/servers/ping-server.lua
@@ -22,6 +22,7 @@ local net = createNet(nil, modem);
 
 net.listenRequest(PING_CHANNEL, 'ping', function(message, reply)
   if message == 'ping' then
+    -- print('=======> ping received !');
     reply('pong');
   end
 end)
diff --git a/startup/servers.lua b/startup/servers.lua
index 903a3ce..db9e7d9 100644
--- a/startup/servers.lua
+++ b/startup/servers.lua
@@ -1,4 +1,4 @@
-local _VERSION = '1.1.0'
+local _VERSION = '1.1.1'
 
 local SERVERS = {
   "servers/ping-server",
@@ -6,6 +6,25 @@ local SERVERS = {
   "servers/cube-startup.lua",
 };
 
+if periphemu then
+  -- attach modem
+  periphemu.create('top', 'modem');
+
+  if os.getComputerID() == 0 then
+    -- attach computers
+
+    os.sleep(0.1)
+    periphemu.create(1, 'computer');
+
+    os.sleep(0.1)
+    periphemu.create(2, 'computer');
+
+    -- attach router
+    os.sleep(0.1)
+    periphemu.create(10, 'computer');
+  end
+end
+
 local function shellFn()
   os.sleep(0.1);
   shell.run("shell");