--- a/bindings/python/ns3_module_helper.py	Tue Sep 02 12:36:37 2008 -0700
+++ b/bindings/python/ns3_module_helper.py	Tue Sep 02 13:08:47 2008 -0700
@@ -168,6 +168,10 @@
     cls.add_method('Install', 
                    'void', 
                    [param('ns3::NodeContainer', 'c')])
+    ## internet-stack-helper.h: void ns3::InternetStackHelper::SetNscStack(std::string soname) [member function]
+    cls.add_method('SetNscStack', 
+                   'void', 
+                   [param('std::string', 'soname')])
     ## internet-stack-helper.h: static void ns3::InternetStackHelper::EnablePcapAll(std::string filename) [member function]
     cls.add_method('EnablePcapAll', 
                    'void', 

--- a/bindings/python/ns3_module_internet_stack.py	Tue Sep 02 12:36:37 2008 -0700
+++ b/bindings/python/ns3_module_internet_stack.py	Tue Sep 02 13:08:47 2008 -0700
@@ -627,6 +627,10 @@
     module.add_function('AddInternetStack', 
                         'void', 
                         [param('ns3::Ptr< ns3::Node >', 'node')])
+    ## internet-stack.h: extern void ns3::AddNscInternetStack(ns3::Ptr<ns3::Node> node, std::string const & soname) [free function]
+    module.add_function('AddNscInternetStack', 
+                        'void', 
+                        [param('ns3::Ptr< ns3::Node >', 'node'), param('std::string const &', 'soname')])
     register_functions_ns3_internal(module.get_submodule('internal'), root_module)
     register_functions_ns3_TimeStepPrecision(module.get_submodule('TimeStepPrecision'), root_module)
     register_functions_ns3_Config(module.get_submodule('Config'), root_module)

--- a/bindings/python/ns3_module_wifi.py	Tue Sep 02 12:36:37 2008 -0700
+++ b/bindings/python/ns3_module_wifi.py	Tue Sep 02 13:08:47 2008 -0700
@@ -1013,15 +1013,18 @@
     ## wifi-mac.h: void ns3::WifiMac::SetPifs(ns3::Time pifs) [member function]
     cls.add_method('SetPifs', 
                    'void', 
-                   [param('ns3::Time', 'pifs')])
+                   [param('ns3::Time', 'pifs')], 
+                   is_pure_virtual=True, is_virtual=True)
     ## wifi-mac.h: void ns3::WifiMac::SetCtsTimeout(ns3::Time ctsTimeout) [member function]
     cls.add_method('SetCtsTimeout', 
                    'void', 
-                   [param('ns3::Time', 'ctsTimeout')])
+                   [param('ns3::Time', 'ctsTimeout')], 
+                   is_pure_virtual=True, is_virtual=True)
     ## wifi-mac.h: void ns3::WifiMac::SetAckTimeout(ns3::Time ackTimeout) [member function]
     cls.add_method('SetAckTimeout', 
                    'void', 
-                   [param('ns3::Time', 'ackTimeout')])
+                   [param('ns3::Time', 'ackTimeout')], 
+                   is_pure_virtual=True, is_virtual=True)
     ## wifi-mac.h: void ns3::WifiMac::SetMaxPropagationDelay(ns3::Time delay) [member function]
     cls.add_method('SetMaxPropagationDelay', 
                    'void', 
@@ -1030,7 +1033,7 @@
     cls.add_method('GetPifs', 
                    'ns3::Time', 
                    [], 
-                   is_const=True)
+                   is_pure_virtual=True, is_const=True, is_virtual=True)
     ## wifi-mac.h: ns3::Time ns3::WifiMac::GetSifs() const [member function]
     cls.add_method('GetSifs', 
                    'ns3::Time', 
@@ -1050,12 +1053,12 @@
     cls.add_method('GetCtsTimeout', 
                    'ns3::Time', 
                    [], 
-                   is_const=True)
+                   is_pure_virtual=True, is_const=True, is_virtual=True)
     ## wifi-mac.h: ns3::Time ns3::WifiMac::GetAckTimeout() const [member function]
     cls.add_method('GetAckTimeout', 
                    'ns3::Time', 
                    [], 
-                   is_const=True)
+                   is_pure_virtual=True, is_const=True, is_virtual=True)
     ## wifi-mac.h: ns3::Time ns3::WifiMac::GetMsduLifetime() const [member function]
     cls.add_method('GetMsduLifetime', 
                    'ns3::Time', 
@@ -1081,11 +1084,6 @@
                    'ns3::Ssid', 
                    [], 
                    is_pure_virtual=True, is_const=True, is_virtual=True)
-    ## wifi-mac.h: ns3::Mac48Address ns3::WifiMac::GetBssid() const [member function]
-    cls.add_method('GetBssid', 
-                   'ns3::Mac48Address', 
-                   [], 
-                   is_pure_virtual=True, is_const=True, is_virtual=True)
     ## wifi-mac.h: void ns3::WifiMac::SetAddress(ns3::Mac48Address address) [member function]
     cls.add_method('SetAddress', 
                    'void', 
@@ -1151,6 +1149,21 @@
                    'void', 
                    [param('ns3::Time', 'eifsNoDifs')], 
                    is_virtual=True)
+    ## nqap-wifi-mac.h: void ns3::NqapWifiMac::SetAckTimeout(ns3::Time ackTimeout) [member function]
+    cls.add_method('SetAckTimeout', 
+                   'void', 
+                   [param('ns3::Time', 'ackTimeout')], 
+                   is_virtual=True)
+    ## nqap-wifi-mac.h: void ns3::NqapWifiMac::SetCtsTimeout(ns3::Time ctsTimeout) [member function]
+    cls.add_method('SetCtsTimeout', 
+                   'void', 
+                   [param('ns3::Time', 'ctsTimeout')], 
+                   is_virtual=True)
+    ## nqap-wifi-mac.h: void ns3::NqapWifiMac::SetPifs(ns3::Time pifs) [member function]
+    cls.add_method('SetPifs', 
+                   'void', 
+                   [param('ns3::Time', 'pifs')], 
+                   is_virtual=True)
     ## nqap-wifi-mac.h: ns3::Time ns3::NqapWifiMac::GetSlot() const [member function]
     cls.add_method('GetSlot', 
                    'ns3::Time', 
@@ -1166,6 +1179,21 @@
                    'ns3::Time', 
                    [], 
                    is_const=True, is_virtual=True)
+    ## nqap-wifi-mac.h: ns3::Time ns3::NqapWifiMac::GetAckTimeout() const [member function]
+    cls.add_method('GetAckTimeout', 
+                   'ns3::Time', 
+                   [], 
+                   is_const=True, is_virtual=True)
+    ## nqap-wifi-mac.h: ns3::Time ns3::NqapWifiMac::GetCtsTimeout() const [member function]
+    cls.add_method('GetCtsTimeout', 
+                   'ns3::Time', 
+                   [], 
+                   is_const=True, is_virtual=True)
+    ## nqap-wifi-mac.h: ns3::Time ns3::NqapWifiMac::GetPifs() const [member function]
+    cls.add_method('GetPifs', 
+                   'ns3::Time', 
+                   [], 
+                   is_const=True, is_virtual=True)
     ## nqap-wifi-mac.h: void ns3::NqapWifiMac::SetWifiPhy(ns3::Ptr<ns3::WifiPhy> phy) [member function]
     cls.add_method('SetWifiPhy', 
                    'void', 
@@ -1206,11 +1234,6 @@
                    'ns3::Ssid', 
                    [], 
                    is_const=True, is_virtual=True)
-    ## nqap-wifi-mac.h: ns3::Mac48Address ns3::NqapWifiMac::GetBssid() const [member function]
-    cls.add_method('GetBssid', 
-                   'ns3::Mac48Address', 
-                   [], 
-                   is_const=True, is_virtual=True)
     ## nqap-wifi-mac.h: void ns3::NqapWifiMac::SetAddress(ns3::Mac48Address address) [member function]
     cls.add_method('SetAddress', 
                    'void', 
@@ -1347,6 +1370,21 @@
                    'void', 
                    [param('ns3::Time', 'eifsNoDifs')], 
                    is_virtual=True)
+    ## adhoc-wifi-mac.h: void ns3::AdhocWifiMac::SetAckTimeout(ns3::Time ackTimeout) [member function]
+    cls.add_method('SetAckTimeout', 
+                   'void', 
+                   [param('ns3::Time', 'ackTimeout')], 
+                   is_virtual=True)
+    ## adhoc-wifi-mac.h: void ns3::AdhocWifiMac::SetCtsTimeout(ns3::Time ctsTimeout) [member function]
+    cls.add_method('SetCtsTimeout', 
+                   'void', 
+                   [param('ns3::Time', 'ctsTimeout')], 
+                   is_virtual=True)
+    ## adhoc-wifi-mac.h: void ns3::AdhocWifiMac::SetPifs(ns3::Time pifs) [member function]
+    cls.add_method('SetPifs', 
+                   'void', 
+                   [param('ns3::Time', 'pifs')], 
+                   is_virtual=True)
     ## adhoc-wifi-mac.h: ns3::Time ns3::AdhocWifiMac::GetSlot() const [member function]
     cls.add_method('GetSlot', 
                    'ns3::Time', 
@@ -1362,6 +1400,21 @@
                    'ns3::Time', 
                    [], 
                    is_const=True, is_virtual=True)
+    ## adhoc-wifi-mac.h: ns3::Time ns3::AdhocWifiMac::GetAckTimeout() const [member function]
+    cls.add_method('GetAckTimeout', 
+                   'ns3::Time', 
+                   [], 
+                   is_const=True, is_virtual=True)
+    ## adhoc-wifi-mac.h: ns3::Time ns3::AdhocWifiMac::GetCtsTimeout() const [member function]
+    cls.add_method('GetCtsTimeout', 
+                   'ns3::Time', 
+                   [], 
+                   is_const=True, is_virtual=True)
+    ## adhoc-wifi-mac.h: ns3::Time ns3::AdhocWifiMac::GetPifs() const [member function]
+    cls.add_method('GetPifs', 
+                   'ns3::Time', 
+                   [], 
+                   is_const=True, is_virtual=True)
     ## adhoc-wifi-mac.h: void ns3::AdhocWifiMac::SetWifiPhy(ns3::Ptr<ns3::WifiPhy> phy) [member function]
     cls.add_method('SetWifiPhy', 
                    'void', 
@@ -1402,11 +1455,6 @@
                    'ns3::Ssid', 
                    [], 
                    is_const=True, is_virtual=True)
-    ## adhoc-wifi-mac.h: ns3::Mac48Address ns3::AdhocWifiMac::GetBssid() const [member function]
-    cls.add_method('GetBssid', 
-                   'ns3::Mac48Address', 
-                   [], 
-                   is_const=True, is_virtual=True)
     ## adhoc-wifi-mac.h: void ns3::AdhocWifiMac::SetAddress(ns3::Mac48Address address) [member function]
     cls.add_method('SetAddress', 
                    'void', 
@@ -2171,6 +2219,21 @@
                    'void', 
                    [param('ns3::Time', 'eifsNoDifs')], 
                    is_virtual=True)
+    ## nqsta-wifi-mac.h: void ns3::NqstaWifiMac::SetAckTimeout(ns3::Time ackTimeout) [member function]
+    cls.add_method('SetAckTimeout', 
+                   'void', 
+                   [param('ns3::Time', 'ackTimeout')], 
+                   is_virtual=True)
+    ## nqsta-wifi-mac.h: void ns3::NqstaWifiMac::SetCtsTimeout(ns3::Time ctsTimeout) [member function]
+    cls.add_method('SetCtsTimeout', 
+                   'void', 
+                   [param('ns3::Time', 'ctsTimeout')], 
+                   is_virtual=True)
+    ## nqsta-wifi-mac.h: void ns3::NqstaWifiMac::SetPifs(ns3::Time pifs) [member function]
+    cls.add_method('SetPifs', 
+                   'void', 
+                   [param('ns3::Time', 'pifs')], 
+                   is_virtual=True)
     ## nqsta-wifi-mac.h: ns3::Time ns3::NqstaWifiMac::GetSlot() const [member function]
     cls.add_method('GetSlot', 
                    'ns3::Time', 
@@ -2186,6 +2249,21 @@
                    'ns3::Time', 
                    [], 
                    is_const=True, is_virtual=True)
+    ## nqsta-wifi-mac.h: ns3::Time ns3::NqstaWifiMac::GetAckTimeout() const [member function]
+    cls.add_method('GetAckTimeout', 
+                   'ns3::Time', 
+                   [], 
+                   is_const=True, is_virtual=True)
+    ## nqsta-wifi-mac.h: ns3::Time ns3::NqstaWifiMac::GetCtsTimeout() const [member function]
+    cls.add_method('GetCtsTimeout', 
+                   'ns3::Time', 
+                   [], 
+                   is_const=True, is_virtual=True)
+    ## nqsta-wifi-mac.h: ns3::Time ns3::NqstaWifiMac::GetPifs() const [member function]
+    cls.add_method('GetPifs', 
+                   'ns3::Time', 
+                   [], 
+                   is_const=True, is_virtual=True)
     ## nqsta-wifi-mac.h: void ns3::NqstaWifiMac::SetWifiPhy(ns3::Ptr<ns3::WifiPhy> phy) [member function]
     cls.add_method('SetWifiPhy', 
                    'void', 
@@ -2226,11 +2304,6 @@
                    'ns3::Ssid', 
                    [], 
                    is_const=True, is_virtual=True)
-    ## nqsta-wifi-mac.h: ns3::Mac48Address ns3::NqstaWifiMac::GetBssid() const [member function]
-    cls.add_method('GetBssid', 
-                   'ns3::Mac48Address', 
-                   [], 
-                   is_const=True, is_virtual=True)
     ## nqsta-wifi-mac.h: void ns3::NqstaWifiMac::SetAddress(ns3::Mac48Address address) [member function]
     cls.add_method('SetAddress', 
                    'void', 

--- a/src/devices/wifi/adhoc-wifi-mac.cc	Tue Sep 02 12:36:37 2008 -0700
+++ b/src/devices/wifi/adhoc-wifi-mac.cc	Tue Sep 02 13:08:47 2008 -0700
@@ -50,7 +50,7 @@
 
   m_low = CreateObject<MacLow> ();
   m_low->SetRxCallback (MakeCallback (&MacRxMiddle::Receive, m_rxMiddle));
-  m_low->SetMac (this);
+  m_low->SetBssid (GetBssid ());
 
   m_dcfManager = new DcfManager ();
   m_dcfManager->SetupLowListener (m_low);

--- a/src/devices/wifi/adhoc-wifi-mac.h	Tue Sep 02 12:36:37 2008 -0700
+++ b/src/devices/wifi/adhoc-wifi-mac.h	Tue Sep 02 13:08:47 2008 -0700
@@ -73,7 +73,6 @@
   virtual void SetLinkDownCallback (Callback<void> linkDown);
   virtual Mac48Address GetAddress (void) const;
   virtual Ssid GetSsid (void) const;
-  virtual Mac48Address GetBssid (void) const;
   virtual void SetAddress (Mac48Address address);
   virtual void SetSsid (Ssid ssid);
 
@@ -84,6 +83,7 @@
   /* invoked by the MacLows. */
   void ForwardUp (Ptr<Packet> packet, WifiMacHeader const*hdr);
   AdhocWifiMac (const AdhocWifiMac & ctor_arg);
+  Mac48Address GetBssid (void) const;
 
   Ptr<DcaTxop> m_dca;
   Callback<void,Ptr<Packet>,const Mac48Address &> m_upCallback;

--- a/src/devices/wifi/dca-txop.cc	Tue Sep 02 12:36:37 2008 -0700
+++ b/src/devices/wifi/dca-txop.cc	Tue Sep 02 13:08:47 2008 -0700
@@ -37,7 +37,7 @@
 NS_LOG_COMPONENT_DEFINE ("DcaTxop");
 
 #define MY_DEBUG(x) \
-  NS_LOG_DEBUG (m_low->GetMac ()->GetAddress () << " " << x)
+  NS_LOG_DEBUG (m_low->GetAddress () << " " << x)
 
 
 namespace ns3 {

--- a/src/devices/wifi/mac-low.cc	Tue Sep 02 12:36:37 2008 -0700
+++ b/src/devices/wifi/mac-low.cc	Tue Sep 02 13:08:47 2008 -0700
@@ -273,7 +273,6 @@
   NS_LOG_FUNCTION (this);
   CancelAllEvents ();
   m_phy = 0;
-  m_mac = 0;
   m_stationManager = 0;
 }
 
@@ -341,21 +340,11 @@
   m_phy->SetReceiveOkCallback (MakeCallback (&MacLow::ReceiveOk, this));
   m_phy->SetReceiveErrorCallback (MakeCallback (&MacLow::ReceiveError, this));
 }
-void
-MacLow::SetMac (Ptr<WifiMac> mac)
-{
-  m_mac = mac;
-}
 void 
 MacLow::SetWifiRemoteStationManager (Ptr<WifiRemoteStationManager> manager)
 {
   m_stationManager = manager;
 }
-Ptr<WifiMac> 
-MacLow::GetMac (void)
-{
-  return m_mac;
-}
 
 void 
 MacLow::SetAddress (Mac48Address ad)
@@ -387,6 +376,11 @@
 {
   m_pifs = pifs;
 }
+void
+MacLow::SetBssid (Mac48Address bssid)
+{
+  m_bssid = bssid;
+}
 Mac48Address 
 MacLow::GetAddress (void) const
 {
@@ -417,6 +411,11 @@
 {
   return m_pifs;
 }
+Mac48Address 
+MacLow::GetBssid (void) const
+{
+  return m_bssid;
+}
 
 void 
 MacLow::SetRxCallback (Callback<void,Ptr<Packet>,const WifiMacHeader *> callback)
@@ -751,7 +750,7 @@
   Time duration = hdr.GetDuration ();
 
   if (hdr.IsCfpoll () &&
-      hdr.GetAddr2 () == m_mac->GetBssid ()) 
+      hdr.GetAddr2 () == m_bssid) 
     {
       // see section 9.3.2.2 802.11-1999
       DoNavResetNow (duration);

--- a/src/devices/wifi/mac-low.h	Tue Sep 02 12:36:37 2008 -0700
+++ b/src/devices/wifi/mac-low.h	Tue Sep 02 13:08:47 2008 -0700
@@ -279,23 +279,22 @@
   virtual ~MacLow ();
 
   void SetPhy (Ptr<WifiPhy> phy);
-  void SetMac (Ptr<WifiMac> mac);
   void SetWifiRemoteStationManager (Ptr<WifiRemoteStationManager> manager);
 
-  Ptr<WifiMac> GetMac (void);
-
   void SetAddress (Mac48Address ad);
   void SetAckTimeout (Time ackTimeout);
   void SetCtsTimeout (Time ctsTimeout);
   void SetSifs (Time sifs);
   void SetSlotTime (Time slotTime);
   void SetPifs (Time pifs);
+  void SetBssid (Mac48Address ad);
   Mac48Address GetAddress (void) const;
   Time GetAckTimeout (void) const;
   Time GetCtsTimeout (void) const;
   Time GetSifs (void) const;
   Time GetSlotTime (void) const;
   Time GetPifs (void) const;
+  Mac48Address GetBssid (void) const;
 
   /**
    * \param callback the callback which receives every incoming packet.
@@ -397,7 +396,6 @@
   virtual void DoDispose (void);
 
   Ptr<WifiPhy> m_phy;
-  Ptr<WifiMac> m_mac;
   Ptr<WifiRemoteStationManager> m_stationManager;
   MacLowRxCallback m_rxCallback;
   typedef std::vector<MacLowNavListener *>::const_iterator NavListenersCI;
@@ -420,6 +418,7 @@
   MacLowTransmissionParameters m_txParams;
   MacLowTransmissionListener *m_listener;
   Mac48Address m_self;
+  Mac48Address m_bssid;
   Time m_ackTimeout;
   Time m_ctsTimeout;
   Time m_sifs;

--- a/src/devices/wifi/nqap-wifi-mac.cc	Tue Sep 02 12:36:37 2008 -0700
+++ b/src/devices/wifi/nqap-wifi-mac.cc	Tue Sep 02 13:08:47 2008 -0700
@@ -65,7 +65,6 @@
 
   m_low = CreateObject<MacLow> ();
   m_low->SetRxCallback (MakeCallback (&MacRxMiddle::Receive, m_rxMiddle));
-  m_low->SetMac (this);
 
   m_dcfManager = new DcfManager ();
   m_dcfManager->SetupLowListener (m_low);
@@ -239,16 +238,12 @@
 {
   return m_ssid;
 }
-Mac48Address 
-NqapWifiMac::GetBssid (void) const
-{
-  return m_address;
-}
 void 
 NqapWifiMac::SetAddress (Mac48Address address)
 {
   NS_LOG_FUNCTION (address);
   m_low->SetAddress (address);
+  m_low->SetBssid (address);
 }
 void 
 NqapWifiMac::SetSsid (Ssid ssid)

--- a/src/devices/wifi/nqap-wifi-mac.h	Tue Sep 02 12:36:37 2008 -0700
+++ b/src/devices/wifi/nqap-wifi-mac.h	Tue Sep 02 13:08:47 2008 -0700
@@ -79,7 +79,6 @@
   virtual void SetLinkDownCallback (Callback<void> linkDown);
   virtual Mac48Address GetAddress (void) const;
   virtual Ssid GetSsid (void) const;
-  virtual Mac48Address GetBssid (void) const;
   virtual void SetAddress (Mac48Address address);
   virtual void SetSsid (Ssid ssid);
 
@@ -122,7 +121,6 @@
   DcfManager *m_dcfManager;
   MacRxMiddle *m_rxMiddle;
   Ptr<MacLow> m_low;
-  Mac48Address m_address;
   Ssid m_ssid;
   EventId m_beaconEvent;
   Time m_eifsNoDifs;

--- a/src/devices/wifi/nqsta-wifi-mac.cc	Tue Sep 02 12:36:37 2008 -0700
+++ b/src/devices/wifi/nqsta-wifi-mac.cc	Tue Sep 02 13:08:47 2008 -0700
@@ -97,7 +97,6 @@
 
   m_low = CreateObject<MacLow> ();
   m_low->SetRxCallback (MakeCallback (&MacRxMiddle::Receive, m_rxMiddle));
-  m_low->SetMac (this);
 
   m_dcfManager = new DcfManager ();
   m_dcfManager->SetupLowListener (m_low);
@@ -235,7 +234,7 @@
 Mac48Address 
 NqstaWifiMac::GetBssid (void) const
 {
-  return m_bssid;
+  return m_low->GetBssid ();
 }
 void 
 NqstaWifiMac::SetAddress (Mac48Address address)
@@ -286,7 +285,7 @@
 NqstaWifiMac::SetBssid (Mac48Address bssid)
 {
   NS_LOG_FUNCTION (this << bssid);
-  m_bssid = bssid;
+  m_low->SetBssid (bssid);
 }
 void 
 NqstaWifiMac::SetActiveProbing (bool enable)

--- a/src/devices/wifi/nqsta-wifi-mac.h	Tue Sep 02 12:36:37 2008 -0700
+++ b/src/devices/wifi/nqsta-wifi-mac.h	Tue Sep 02 13:08:47 2008 -0700
@@ -79,7 +79,6 @@
   virtual void SetLinkDownCallback (Callback<void> linkDown);
   virtual Mac48Address GetAddress (void) const;
   virtual Ssid GetSsid (void) const;
-  virtual Mac48Address GetBssid (void) const;
   virtual void SetAddress (Mac48Address address);
   virtual void SetSsid (Ssid ssid);
 
@@ -125,6 +124,7 @@
   void MissedBeacons (void);
   void RestartBeaconWatchdog (Time delay);
   SupportedRates GetSupportedRates (void) const;
+  Mac48Address GetBssid (void) const;
   virtual void DoDispose (void);
   NqstaWifiMac (const NqstaWifiMac & ctor_arg);
 
@@ -145,7 +145,6 @@
   Ptr<DcaTxop> m_dca;
   EventId m_beaconWatchdog;
   Time m_beaconWatchdogEnd;
-  Mac48Address m_bssid;
   uint32_t m_maxMissedBeacons;
 
   Ptr<WifiPhy> m_phy;

--- a/src/devices/wifi/wifi-mac.h	Tue Sep 02 12:36:37 2008 -0700
+++ b/src/devices/wifi/wifi-mac.h	Tue Sep 02 13:08:47 2008 -0700
@@ -122,14 +122,6 @@
    */
   virtual Ssid GetSsid (void) const = 0;
   /**
-   * \returns the BSSID associated to the current SSID. 
-   *
-   * If we are an AP, this is the address of the AP itself.
-   * If are a STA, this is the address of the AP with which
-   * the STA is associated.
-   */
-  virtual Mac48Address GetBssid (void) const = 0;
-  /**
    * \param address the current address of this MAC layer.
    */
   virtual void SetAddress (Mac48Address address) = 0;