--- a/src/plugins/net.c	Sun Jun 15 08:55:11 2008 +0200
+++ b/src/plugins/net.c	Sun Jun 15 10:06:44 2008 +0200
@@ -91,6 +91,44 @@ net_interface_get_flags(int fd, const ch
 
 
 /*
+ * Use SIOCSIFFLAGS to set interface status
+ *
+ * @param fd The socket connected to the kernel
+ * @param iface
+ * @return  -1 error
+ *           0 link down
+ *           1 link up
+ */
+static int
+net_interface_set_up_flag(int fd, const char *iface)
+{
+  struct ifreq ifr;
+
+  memset(&ifr, 0, sizeof(ifr));
+  strncpy(ifr.ifr_name, iface, sizeof(ifr.ifr_name)-1);
+
+  if (ioctl(fd, SIOCGIFFLAGS, &ifr) == -1)
+   {
+     trace("SIOCGIFFLAGS failed: %s\n", strerror(errno));
+     return -1;
+   }
+
+  if ((ifr.ifr_flags & IFF_UP) == IFF_UP)
+    return 1;
+
+  ifr.ifr_flags |= IFF_UP;
+
+  if (ioctl(fd, SIOCSIFFLAGS, &ifr) == -1)
+   {
+     trace("SIOCGIFFLAGS failed: %s\n", strerror(errno));
+     return -1;
+   }
+
+  return 0;
+}
+
+
+/*
  * Use SIOCGIFADDR to get interface ip address
  *
  * @param fd The socket connected to the kernel
@@ -222,8 +260,6 @@ net_monitor(int fd, const char *iface)
      trace("not monitoring loopback interface\n");
      return -1;
    }
-
-  old_status = net_interface_get_beat_status(fd, iface);
 
   if ( (flags & (IFF_UP|IFF_RUNNING)) == (IFF_UP|IFF_RUNNING) )
    {
@@ -234,7 +270,13 @@ net_monitor(int fd, const char *iface)
 	 ifup(iface);
        }
    }
-
+  else if ((flags & IFF_UP) == 0)
+   {
+     /* Put the interface up, to be able to monitor it */
+     net_interface_set_up_flag(fd, iface);
+   }
+
+  old_status = net_interface_get_beat_status(fd, iface);
 
   while (1)
    {