Use IPv6 config in manager

9 files changed, 481 insertions, 355 deletions

diff --git a/lib/snmp/src/manager/snmpm_conf.erl b/lib/snmp/src/manager/snmpm_conf.erl
index d2f9ba9c26..ed4cfd749e 100644
--- a/lib/snmp/src/manager/snmpm_conf.erl
+++ b/lib/snmp/src/manager/snmpm_conf.erl
@@ -110,14 +110,15 @@ write_manager_conf(Fd, [H|T]) ->
     do_write_manager_conf(Fd, H),
     write_manager_conf(Fd, T).
 
-do_write_manager_conf(Fd, {address = Tag, Val}) ->
+do_write_manager_conf(Fd, {Tag, Val})
+  when Tag =:= domain;
+       Tag =:= address;
+       Tag =:= port;
+       Tag =:= max_message_size ->
     io:format(Fd, "{~w, ~w}.~n", [Tag, Val]);
-do_write_manager_conf(Fd, {port = Tag, Val} ) ->
-    io:format(Fd, "{~w, ~w}.~n", [Tag, Val]);
-do_write_manager_conf(Fd, {engine_id = Tag, Val} ) ->
+do_write_manager_conf(Fd, {Tag, Val})
+  when Tag =:= engine_id ->
     io:format(Fd, "{~w, \"~s\"}.~n", [Tag, Val]);
-do_write_manager_conf(Fd, {max_message_size = Tag, Val} ) ->
-    io:format(Fd, "{~w, ~w}.~n", [Tag, Val]);
 do_write_manager_conf(_Fd, Crap) ->
     error({bad_manager_config, Crap}).
 
diff --git a/lib/snmp/src/manager/snmpm_config.erl b/lib/snmp/src/manager/snmpm_config.erl
index b3500d7293..5ebd3a0662 100644
--- a/lib/snmp/src/manager/snmpm_config.erl
+++ b/lib/snmp/src/manager/snmpm_config.erl
@@ -2297,9 +2297,33 @@ read_manager_config_file(Dir) ->
     %% If the address is not possible to determine
     %% that way, then we give up...
     verify_mandatory(Conf, [port,engine_id,max_message_size]),
-    ensure_config(default_manager_config(), Conf).
-
+    default_manager_config(Conf).
 
+default_manager_config(Conf) ->
+    %% Ensure address of right family
+    case lists:keyfind(address, 1, Conf) of
+	false ->
+	    Domain =
+		case lists:keyfind(domain, 1, Conf) of
+		    false ->
+			default_transport_domain();
+		    {_, D} ->
+			D
+		end,
+	    Family = snmp_conf:tdomain_to_family(Domain),
+	    {ok, HostName} = inet:gethostname(),
+	    case inet:getaddr(HostName, Family) of
+		{ok, Address} ->
+		    [{address, Address} | Conf];
+		{error, _Reason} ->
+		    ?d("default_manager_config -> "
+		       "failed getting ~w address for ~s:~n"
+		       "   _Reason: ~p", [Family, HostName, _Reason]),
+		    Conf
+	    end;
+	_ ->
+	    Conf
+    end.
 
 default_manager_config() ->
     {ok, HostName} = inet:gethostname(),
diff --git a/lib/snmp/src/manager/snmpm_mpd.erl b/lib/snmp/src/manager/snmpm_mpd.erl
index 27f0336bc1..521c496adb 100644
--- a/lib/snmp/src/manager/snmpm_mpd.erl
+++ b/lib/snmp/src/manager/snmpm_mpd.erl
@@ -92,10 +92,10 @@ reset(#state{v3 = V3}) ->
 %% Purpose: This is the main Message Dispatching function. (see
 %%          section 4.2.1 in rfc2272)
 %%-----------------------------------------------------------------
-process_msg(Msg, Domain, Addr, Port, State, NoteStore, Logger) ->
-    process_msg(Msg, Domain, {Addr, Port}, State, NoteStore, Logger).
+process_msg(Msg, Domain, Ip, Port, State, NoteStore, Logger) ->
+    process_msg(Msg, Domain, {Ip, Port}, State, NoteStore, Logger).
 
-process_msg(Msg, Domain, Address, State, NoteStore, Logger) ->
+process_msg(Msg, Domain, Addr, State, NoteStore, Logger) ->
     inc(snmpInPkts),
 
     case (catch snmp_pdus:dec_message_only(binary_to_list(Msg))) of
@@ -105,7 +105,7 @@ process_msg(Msg, Domain, Address, State, NoteStore, Logger) ->
 	  when State#state.v1 =:= true ->
 	    HS = ?empty_msg_size + length(Community),
 	    process_v1_v2c_msg(
-	      'version-1', NoteStore, Msg, Domain, Address,
+	      'version-1', NoteStore, Msg, Domain, Addr,
 	      Community, Data, HS, Logger);
 
 	%% Version 2
@@ -113,7 +113,7 @@ process_msg(Msg, Domain, Address, State, NoteStore, Logger) ->
 	  when State#state.v2c =:= true ->
 	    HS = ?empty_msg_size + length(Community),
 	    process_v1_v2c_msg(
-	      'version-2', NoteStore, Msg, Domain, Address,
+	      'version-2', NoteStore, Msg, Domain, Addr,
 	      Community, Data, HS, Logger);
 	     
 	%% Version 3
@@ -124,7 +124,7 @@ process_msg(Msg, Domain, Address, State, NoteStore, Logger) ->
 		"~n   msgFlags:    ~p"
 		"~n   msgSecModel: ~p",
 		[H#v3_hdr.msgID,H#v3_hdr.msgFlags,H#v3_hdr.msgSecurityModel]),
-	    process_v3_msg(NoteStore, Msg, H, Data, Address, Logger);
+	    process_v3_msg(NoteStore, Msg, H, Data, Addr, Logger);
 
 	%% Crap
 	{'EXIT', {bad_version, Vsn}} ->
@@ -151,26 +151,26 @@ process_msg(Msg, Domain, Address, State, NoteStore, Logger) ->
 %% Handles a Community based message (v1 or v2c).
 %%-----------------------------------------------------------------
 process_v1_v2c_msg(
-  Vsn, _NoteStore, Msg, Domain, Address, Community, Data, HS, Log) ->
+  Vsn, _NoteStore, Msg, Domain, Addr, Community, Data, HS, Log) ->
 
     ?vdebug("process_v1_v2c_msg -> entry with"
 	    "~n   Vsn:       ~p"
 	    "~n   Domain:    ~p"
-	    "~n   Address:   ~p"
+	    "~n   Addr:      ~p"
 	    "~n   Community: ~p"
-	    "~n   HS:        ~p", [Vsn, Domain, Address, Community, HS]),
+	    "~n   HS:        ~p", [Vsn, Domain, Addr, Community, HS]),
 
     {TDomain, TAddress} = 
 	try 
 	    {snmp_conf:mk_tdomain(Domain),
-	     snmp_conf:mk_taddress(Domain, Address)}
+	     snmp_conf:mk_taddress(Domain, Addr)}
 	catch 
 	    throw:{error, TReason} ->
 		throw({discarded, {badarg, Domain, TReason}})
 	end,
 
     Max      = get_max_message_size(),
-    AgentMax = get_agent_max_message_size(Address),
+    AgentMax = get_agent_max_message_size(Addr),
     PduMS    = pdu_ms(Max, AgentMax, HS),
 
     ?vtrace("process_v1_v2c_msg -> PduMS: ~p", [PduMS]),
diff --git a/lib/snmp/src/manager/snmpm_net_if.erl b/lib/snmp/src/manager/snmpm_net_if.erl
index d7f17e0b7f..860b0b83dd 100644
--- a/lib/snmp/src/manager/snmpm_net_if.erl
+++ b/lib/snmp/src/manager/snmpm_net_if.erl
@@ -55,11 +55,12 @@
 %% -define(VMODULE,"NET_IF").
 -include("snmp_verbosity.hrl").
 
--record(state, 
+-record(state,
 	{
 	  server,
 	  note_store,
-	  sock, 
+	  domain,
+	  sock,
 	  mpd_state,
 	  log,
 	  irb = auto, % auto | {user, integer()}
@@ -99,22 +100,22 @@ start_link(Server, NoteStore) ->
 stop(Pid) ->
     call(Pid, stop).
 
-send_pdu(Pid, Pdu, Vsn, MsgData, DomainIp, AddrPort) ->
-    send_pdu(Pid, Pdu, Vsn, MsgData, DomainIp, AddrPort, ?DEFAULT_EXTRA_INFO).
+send_pdu(Pid, Pdu, Vsn, MsgData, Domain_or_Ip, Addr_or_Port) ->
+    send_pdu(
+      Pid, Pdu, Vsn, MsgData, Domain_or_Ip, Addr_or_Port, ?DEFAULT_EXTRA_INFO).
 
-send_pdu(Pid, Pdu, Vsn, MsgData, Domain, Address, ExtraInfo)
-  when is_record(Pdu, pdu), is_atom(Domain) ->
+send_pdu(Pid, Pdu, Vsn, MsgData, Domain_or_Ip, Addr_or_Port, ExtraInfo)
+  when is_record(Pdu, pdu) ->
     ?d("send_pdu -> entry with~n"
-       "   Pid:     ~p~n"
-       "   Pdu:     ~p~n"
-       "   Vsn:     ~p~n"
-       "   MsgData: ~p~n"
-       "   Domain:  ~p~n"
-       "   Address: ~p", [Pid, Pdu, Vsn, MsgData, Domain, Address]),
-    cast(Pid, {send_pdu, Pdu, Vsn, MsgData, Domain, Address, ExtraInfo});
-send_pdu(Pid, Pdu, Vsn, MsgData, Ip, Port, ExtraInfo) ->
-    Domain = snmpm_config:default_transport_domain(), 
-    send_pdu(Pid, Pdu, Vsn, MsgData, Domain, {Ip, Port}, ExtraInfo).
+       "   Pid:       ~p~n"
+       "   Pdu:       ~p~n"
+       "   Vsn:       ~p~n"
+       "   MsgData:   ~p~n"
+       "   Domain/IP: ~p~n"
+       "   Addr/Port: ~p",
+       [Pid, Pdu, Vsn, MsgData, Domain_or_Ip, Addr_or_Port]),
+    {Domain, Addr} = address(Domain_or_Ip, Addr_or_Port),
+    cast(Pid, {send_pdu, Pdu, Vsn, MsgData, Domain, Addr, ExtraInfo}).
 
 send_pdu(Pid, Pdu, Vsn, MsgData, Domain, Ip, Port, ExtraInfo) ->
     send_pdu(Pid, Pdu, Vsn, MsgData, Domain, {Ip, Port}, ExtraInfo).
@@ -122,8 +123,9 @@ send_pdu(Pid, Pdu, Vsn, MsgData, Domain, Ip, Port, ExtraInfo) ->
 note_store(Pid, NoteStore) ->
     call(Pid, {note_store, NoteStore}).
 
-inform_response(Pid, Ref, Domain, Address) ->
-    cast(Pid, {inform_response, Ref, Domain, Address}).
+inform_response(Pid, Ref, Domain_or_Ip, Addr_or_Port) ->
+    {Domain, Addr} = address(Domain_or_Ip, Addr_or_Port),
+    cast(Pid, {inform_response, Ref, Domain, Addr}).
 
 info(Pid) ->
     call(Pid, info).
@@ -200,7 +202,14 @@ do_init(Server, NoteStore) ->
     BindTo  = get_opt(Opts, bind_to,  false),
     NoReuse = get_opt(Opts, no_reuse, false),
     {ok, Port} = snmpm_config:system_info(port),
-    {ok, Sock} = do_open_port(Port, SndBuf, RecBuf, BindTo, NoReuse),
+    Domain =
+	case snmpm_config:system_info(domain) of
+	    {ok, D} ->
+		D;
+	    _ ->
+		snmpm_config:default_transport_domain()
+	end,
+    {ok, Sock} = do_open_port(Port, SndBuf, RecBuf, Domain, BindTo, NoReuse),
 
     %% Flow control --
     FilterOpts = get_opt(Opts, filter, []),
@@ -218,6 +227,7 @@ do_init(Server, NoteStore) ->
     State = #state{server     = Server, 
 		   note_store = NoteStore, 
 		   mpd_state  = MpdState,
+		   domain     = Domain,
 		   sock       = Sock, 
 		   log        = Log,
 		   irb        = IRB,
@@ -228,18 +238,23 @@ do_init(Server, NoteStore) ->
 
 
 %% Open port 
-do_open_port(Port, SendSz, RecvSz, BindTo, NoReuse) ->
-    ?vtrace("do_open_port -> entry with"
-	    "~n   Port:    ~p"
-	    "~n   SendSz:  ~p"
-	    "~n   RecvSz:  ~p"
-	    "~n   BindTo:  ~p"
-	    "~n   NoReuse: ~p", [Port, SendSz, RecvSz, BindTo, NoReuse]),
+do_open_port(Port, SendSz, RecvSz, Domain, BindTo, NoReuse) ->
+    ?vtrace("do_open_port -> entry with~n"
+	    "   Port:    ~p~n"
+	    "   SendSz:  ~p~n"
+	    "   RecvSz:  ~p~n"
+	    "   Domain:  ~p~n"
+	    "   BindTo:  ~p~n"
+	    "   NoReuse: ~p",
+	    [Port, SendSz, RecvSz, Domain, BindTo, NoReuse]),
     IpOpts1 = bind_to(BindTo),
     IpOpts2 = no_reuse(NoReuse),
     IpOpts3 = recbuf(RecvSz),
     IpOpts4 = sndbuf(SendSz),
-    IpOpts  = [binary | IpOpts1 ++ IpOpts2 ++ IpOpts3 ++ IpOpts4],
+    IpOpts  =
+	[binary,
+	 snmp_conf:tdomain_to_family(Domain) |
+	 IpOpts1 ++ IpOpts2 ++ IpOpts3 ++ IpOpts4],
     OpenRes = 
 	case init:get_argument(snmpm_fd) of
 	    {ok, [[FdStr]]} ->
@@ -387,24 +402,24 @@ handle_call(Req, From, State) ->
 %%          {noreply, State, Timeout} |
 %%          {stop, Reason, State}            (terminate/2 is called)
 %%--------------------------------------------------------------------
-handle_cast({send_pdu, Pdu, Vsn, MsgData, Domain, Address, ExtraInfo},
+handle_cast({send_pdu, Pdu, Vsn, MsgData, Domain, Addr, ExtraInfo},
 	    State) ->
     ?vlog("received send_pdu message with~n"
 	  "   Pdu:     ~p~n"
 	  "   Vsn:     ~p~n"
 	  "   MsgData: ~p~n"
 	  "   Domain:  ~p~n"
-	  "   Address: ~p", [Pdu, Vsn, MsgData, Domain, Address]),
+	  "   Addr   : ~p", [Pdu, Vsn, MsgData, Domain, Addr]),
     maybe_process_extra_info(ExtraInfo),
-    maybe_handle_send_pdu(Pdu, Vsn, MsgData, Domain, Address, State), 
+    maybe_handle_send_pdu(Pdu, Vsn, MsgData, Domain, Addr, State),
     {noreply, State};
 
-handle_cast({inform_response, Ref, Domain, Address}, State) ->
+handle_cast({inform_response, Ref, Domain, Addr}, State) ->
     ?vlog("received inform_response message with~n"
-	  "   Ref:     ~p~n"
-	  "   Domain:  ~p~n"
-	  "   Address: ~p", [Ref, Domain, Address]),
-    handle_inform_response(Ref, Domain, Address, State),
+	  "   Ref:    ~p~n"
+	  "   Domain: ~p~n"
+	  "   Addr:   ~p", [Ref, Domain, Addr]),
+    handle_inform_response(Ref, Domain, Addr, State),
     {noreply, State};
 
 handle_cast(filter_reset, State) ->
@@ -423,9 +438,10 @@ handle_cast(Msg, State) ->
 %%          {noreply, State, Timeout} |
 %%          {stop, Reason, State}            (terminate/2 is called)
 %%--------------------------------------------------------------------
-handle_info({udp, Sock, Ip, Port, Bytes}, #state{sock = Sock} = State) ->
+handle_info(
+  {udp, Sock, Ip, Port, Bytes},
+  #state{sock = Sock, domain = Domain} = State) ->
     ?vlog("received ~w bytes from ~p:~p [~w]", [size(Bytes), Ip, Port, Sock]),
-    Domain = snmpm_config:default_transport_domain(),
     maybe_handle_recv_msg(Domain, {Ip, Port}, Bytes, State),
     {noreply, State};
 
@@ -533,48 +549,49 @@ code_change(_Vsn, State, _Extra) ->
 %%%-------------------------------------------------------------------
 
 maybe_handle_recv_msg(
-  Domain, Address, Bytes, #state{filter = FilterMod} = State) ->
-    case (catch FilterMod:accept_recv(Domain, Address)) of
+  Domain, Addr, Bytes,
+  #state{filter = FilterMod, domain = ManagerDomain} = State) ->
+    {Arg1, Arg2} = fix_filter_address(ManagerDomain, {Domain, Addr}),
+    case (catch FilterMod:accept_recv(Arg1, Arg2)) of
 	false ->
 	    %% Drop the received packet 
 	    inc(netIfMsgInDrops),
 	    ok;
 	_ ->
-	    handle_recv_msg(Domain, Address, Bytes, State)
+	    handle_recv_msg(Domain, Addr, Bytes, State)
     end.
     
 
-handle_recv_msg(Domain, Address, Bytes, #state{server = Pid})
+handle_recv_msg(Domain, Addr, Bytes, #state{server = Pid})
   when is_binary(Bytes) andalso (size(Bytes) =:= 0) ->
-    Pid ! {snmp_error, {empty_message, Domain, Address}, Domain, Address},
+    Pid ! {snmp_error, {empty_message, Domain, Addr}, Domain, Addr},
     ok;
 
 handle_recv_msg(
-  Domain, Address, Bytes,
+  Domain, Addr, Bytes,
   #state{server     = Pid,
 	 note_store = NoteStore,
 	 mpd_state  = MpdState,
-	 sock       = Sock,
 	 log        = Log} = State) ->
-    Logger = logger(Log, read, Domain, Address),
-    case (catch snmpm_mpd:process_msg(Bytes, Domain, Address,
+    Logger = logger(Log, read, Domain, Addr),
+    case (catch snmpm_mpd:process_msg(Bytes, Domain, Addr,
 				      MpdState, NoteStore, Logger)) of
 
 	{ok, Vsn, Pdu, MS, ACM} ->
-	    maybe_handle_recv_pdu(Domain, Address, Vsn, Pdu, MS, ACM,
+	    maybe_handle_recv_pdu(Domain, Addr, Vsn, Pdu, MS, ACM,
 				  Logger, State);
 
 	{discarded, Reason, Report} ->
 	    ?vdebug("discarded: ~p", [Reason]),
 	    ErrorInfo = {failed_processing_message, Reason},
-	    Pid ! {snmp_error, ErrorInfo, Domain, Address},
-	    maybe_udp_send(State#state.filter, Sock, Domain, Address, Report),
+	    Pid ! {snmp_error, ErrorInfo, Domain, Addr},
+	    maybe_udp_send(Domain, Addr, Report, State),
 	    ok;
 
 	{discarded, Reason} ->
 	    ?vdebug("discarded: ~p", [Reason]),
 	    ErrorInfo = {failed_processing_message, Reason},
-	    Pid ! {snmp_error, ErrorInfo, Domain, Address},
+	    Pid ! {snmp_error, ErrorInfo, Domain, Addr},
 	    ok;
 
 	Error ->
@@ -585,92 +602,93 @@ handle_recv_msg(
 
 
 maybe_handle_recv_pdu(
-  Domain, Address, Vsn, #pdu{type = Type} = Pdu, PduMS, ACM, Logger,
-  #state{filter = FilterMod} = State) ->
-    case (catch FilterMod:accept_recv_pdu(Domain, Address, Type)) of
+  Domain, Addr, Vsn, #pdu{type = Type} = Pdu, PduMS, ACM, Logger,
+  #state{filter = FilterMod, domain = ManagerDomain} = State) ->
+    {Arg1, Arg2} = fix_filter_address(ManagerDomain, {Domain, Addr}),
+    case (catch FilterMod:accept_recv_pdu(Arg1, Arg2, Type)) of
 	false ->
 	    inc(netIfPduInDrops),
 	    ok;
 	_ ->
 	    handle_recv_pdu(
-	      Domain, Address, Vsn, Pdu, PduMS, ACM, Logger, State)
+	      Domain, Addr, Vsn, Pdu, PduMS, ACM, Logger, State)
     end;
 maybe_handle_recv_pdu(
-  Domain, Address, Vsn, Trap, PduMS, ACM, Logger,
-  #state{filter = FilterMod} = State)
+  Domain, Addr, Vsn, Trap, PduMS, ACM, Logger,
+  #state{filter = FilterMod, domain = ManagerDomain} = State)
   when is_record(Trap, trappdu) ->
-    case (catch FilterMod:accept_recv_pdu(Domain, Address, trappdu)) of
+    {Arg1, Arg2} = fix_filter_address(ManagerDomain, {Domain, Addr}),
+    case (catch FilterMod:accept_recv_pdu(Arg1, Arg2, trappdu)) of
 	false ->
 	    inc(netIfPduInDrops),
 	    ok;
 	_ ->
 	    handle_recv_pdu(
-	      Domain, Address, Vsn, Trap, PduMS, ACM, Logger, State)
+	      Domain, Addr, Vsn, Trap, PduMS, ACM, Logger, State)
     end;
 maybe_handle_recv_pdu(
-  Domain, Address, Vsn, Pdu, PduMS, ACM, Logger, State) ->
-    handle_recv_pdu(Domain, Address, Vsn, Pdu, PduMS, ACM, Logger, State).
+  Domain, Addr, Vsn, Pdu, PduMS, ACM, Logger, State) ->
+    handle_recv_pdu(Domain, Addr, Vsn, Pdu, PduMS, ACM, Logger, State).
 
 
 handle_recv_pdu(
-  Domain, Address, Vsn,
+  Domain, Addr, Vsn,
   #pdu{type = 'inform-request'} = Pdu, _PduMS, ACM, Logger,
   #state{server = Pid, irb = IRB} = State) ->
     handle_inform_request(
-      IRB, Pid, Vsn, Pdu, ACM, Domain, Address, Logger, State);
+      IRB, Pid, Vsn, Pdu, ACM, Domain, Addr, Logger, State);
 handle_recv_pdu(
-  Domain, Address, _Vsn,
+  Domain, Addr, _Vsn,
   #pdu{type = report} = Pdu, _PduMS, ok, _Logger,
   #state{server = Pid} = _State) ->
     ?vtrace("received report - ok", []),
-    Pid ! {snmp_report, {ok, Pdu}, Domain, Address};
+    Pid ! {snmp_report, {ok, Pdu}, Domain, Addr};
 handle_recv_pdu(
-  Domain, Address, _Vsn,
+  Domain, Addr, _Vsn,
   #pdu{type = report} = Pdu, _PduMS, {error, ReqId, Reason}, _Logger,
   #state{server = Pid} = _State) ->
     ?vtrace("received report - error", []),
-    Pid ! {snmp_report, {error, ReqId, Reason, Pdu}, Domain, Address};
+    Pid ! {snmp_report, {error, ReqId, Reason, Pdu}, Domain, Addr};
 handle_recv_pdu(
-  Domain, Address, _Vsn,
+  Domain, Addr, _Vsn,
   #pdu{type = 'snmpv2-trap'} = Pdu, _PduMS, _ACM, _Logger,
   #state{server = Pid} = _State) ->
     ?vtrace("received snmpv2-trap", []),
-    Pid ! {snmp_trap, Pdu, Domain, Address};
+    Pid ! {snmp_trap, Pdu, Domain, Addr};
 handle_recv_pdu(
-  Domain, Address, _Vsn, Trap, _PduMS, _ACM, _Logger,
+  Domain, Addr, _Vsn, Trap, _PduMS, _ACM, _Logger,
   #state{server = Pid} = _State) when is_record(Trap, trappdu) ->
     ?vtrace("received trappdu", []),
-    Pid ! {snmp_trap, Trap, Domain, Address};
+    Pid ! {snmp_trap, Trap, Domain, Addr};
 handle_recv_pdu(
-  Domain, Address, _Vsn, Pdu, _PduMS, _ACM, _Logger,
+  Domain, Addr, _Vsn, Pdu, _PduMS, _ACM, _Logger,
   #state{server = Pid} = _State) when is_record(Pdu, pdu) ->
     ?vtrace("received pdu", []),
-    Pid ! {snmp_pdu, Pdu, Domain, Address};
+    Pid ! {snmp_pdu, Pdu, Domain, Addr};
 handle_recv_pdu(
-  _Domain, _Address, _Vsn, Pdu, _PduMS, ACM, _Logger, _State) ->
+  _Domain, _Addr, _Vsn, Pdu, _PduMS, ACM, _Logger, _State) ->
     ?vlog("received unexpected pdu: "
 	  "~n   Pdu: ~p"
 	  "~n   ACM: ~p", [Pdu, ACM]).
 
 
 handle_inform_request(
-  auto, Pid, Vsn, Pdu, ACM, Domain, Address, Logger, State) ->
+  auto, Pid, Vsn, Pdu, ACM, Domain, Addr, Logger, State) ->
     ?vtrace("received inform-request (true)", []),
-    Pid ! {snmp_inform, ignore, Pdu, Domain, Address},
+    Pid ! {snmp_inform, ignore, Pdu, Domain, Addr},
     RePdu = make_response_pdu(Pdu),
-    maybe_send_inform_response(
-      RePdu, Vsn, ACM, Domain, Address, Logger, State);
+    maybe_send_inform_response(RePdu, Vsn, ACM, Domain, Addr, Logger, State);
 handle_inform_request(
   {user, To}, Pid, Vsn, #pdu{request_id = ReqId} = Pdu, 
-  ACM, Domain, Address, _Logger, _State) ->
+  ACM, Domain, Addr, _Logger, _State) ->
     ?vtrace("received inform-request (false)", []),
 
-    Pid ! {snmp_inform, ReqId, Pdu, Domain, Address},
+    Pid ! {snmp_inform, ReqId, Pdu, Domain, Addr},
 
     %% Before we go any further, we need to check that we have not
     %% already received this message (possible resend).
 
-    Key = {ReqId, Domain, Address},
+    Key = {ReqId, Domain, Addr},
     case ets:lookup(snmpm_inform_request_table, Key) of
 	[_] ->
 	    %% OK, we already know about this.  We assume this
@@ -684,26 +702,28 @@ handle_inform_request(
 	    ets:insert(snmpm_inform_request_table, Rec)
     end.
 
-handle_inform_response(Ref, Domain, Address, State) ->
-    Key = {Ref, Domain, Address},
+handle_inform_response(Ref, Domain, Addr, State) ->
+    Key = {Ref, Domain, Addr},
     case ets:lookup(snmpm_inform_request_table, Key) of
 	[{Key, _, {Vsn, ACM, RePdu}}] ->
-	    Logger = logger(State#state.log, read, Domain, Address),
+	    Logger = logger(State#state.log, read, Domain, Addr),
 	    ets:delete(snmpm_inform_request_table, Key), 
-	    maybe_send_inform_response(RePdu, Vsn, ACM, Domain, Address,
-				       Logger, State);
+	    maybe_send_inform_response(
+	      RePdu, Vsn, ACM, Domain, Addr, Logger, State);
 	[] ->
 	    %% Already acknowledged, or the user was to slow to reply...
 	    ok
     end,
     ok.
 
-maybe_send_inform_response(RePdu, Vsn, ACM, Domain, Address, Logger,
-			   #state{server = Pid,
-				  sock   = Sock,
-				  filter = FilterMod}) ->
+maybe_send_inform_response(
+  RePdu, Vsn, ACM, Domain, Addr, Logger,
+  #state{server = Pid,
+	 filter = FilterMod,
+	 domain = ManagerDomain} = State) ->
+    {Arg1, Arg2} = fix_filter_address(ManagerDomain, {Domain, Addr}),
     case (catch FilterMod:accept_send_pdu(
-		 Domain, Address, pdu_type_of(RePdu)))
+		  Arg1, Arg2, pdu_type_of(RePdu)))
     of
 	false ->
 	    inc(netIfPduOutDrops),
@@ -711,13 +731,13 @@ maybe_send_inform_response(RePdu, Vsn, ACM, Domain, Address, Logger,
 	_ ->
 	    case snmpm_mpd:generate_response_msg(Vsn, RePdu, ACM, Logger) of
 		{ok, Msg} ->
-		    maybe_udp_send(FilterMod, Sock, Domain, Address, Msg);
+		    maybe_udp_send(Domain, Addr, Msg, State);
 		{discarded, Reason} ->
 		    ?vlog("failed generating response message:"
 			  "~n   Reason: ~p", [Reason]),
 		    ReqId     = RePdu#pdu.request_id,
 		    ErrorInfo = {failed_generating_response, {RePdu, Reason}},
-		    Pid ! {snmp_error, ReqId, ErrorInfo, Domain, Address},
+		    Pid ! {snmp_error, ReqId, ErrorInfo, Domain, Addr},
 		    ok
 	    end
     end.
@@ -752,28 +772,29 @@ irgc_stop(Ref) ->
     (catch erlang:cancel_timer(Ref)).
 
 
-maybe_handle_send_pdu(Pdu, Vsn, MsgData, Domain, Address,
-		      #state{filter = FilterMod} = State) ->
-    case (catch FilterMod:accept_send_pdu(Domain, Address, pdu_type_of(Pdu))) of
+maybe_handle_send_pdu(
+  Pdu, Vsn, MsgData, Domain, Addr,
+  #state{filter = FilterMod, domain = ManagerDomain} = State) ->
+    {Arg1, Arg2} = fix_filter_address(ManagerDomain, {Domain, Addr}),
+    case (catch FilterMod:accept_send_pdu(Arg1, Arg2, pdu_type_of(Pdu))) of
 	false ->
 	    inc(netIfPduOutDrops),
 	    ok;
 	_ ->
-	    handle_send_pdu(Pdu, Vsn, MsgData, Domain, Address, State)
+	    handle_send_pdu(Pdu, Vsn, MsgData, Domain, Addr, State)
     end.
 
-handle_send_pdu(Pdu, Vsn, MsgData, Domain, Address,
-		#state{server     = Pid, 
-		       note_store = NoteStore, 
-		       sock       = Sock, 
-		       log        = Log,
-		       filter     = FilterMod}) ->
-    Logger = logger(Log, write, Domain, Address),
-    case (catch snmpm_mpd:generate_msg(Vsn, NoteStore, 
-				       Pdu, MsgData, Logger)) of
+handle_send_pdu(
+  Pdu, Vsn, MsgData, Domain, Addr,
+  #state{server     = Pid,
+	 note_store = NoteStore,
+	 log        = Log} = State) ->
+    Logger = logger(Log, write, Domain, Addr),
+    case (catch snmpm_mpd:generate_msg(
+		  Vsn, NoteStore, Pdu, MsgData, Logger)) of
 	{ok, Msg} ->
 	    ?vtrace("handle_send_pdu -> message generated", []),
-	    maybe_udp_send(FilterMod, Sock, Domain, Address, Msg);
+	    maybe_udp_send(Domain, Addr, Msg, State);
 	{discarded, Reason} ->
 	    ?vlog("PDU not sent: "
 		  "~n   PDU:    ~p"
@@ -783,12 +804,18 @@ handle_send_pdu(Pdu, Vsn, MsgData, Domain, Address,
     end.
 
 
-maybe_udp_send(FilterMod, Sock, Domain, {Ip, Port} = Address, Msg) ->
-    case (catch FilterMod:accept_send(Domain, Address)) of
+maybe_udp_send(
+  Domain, Addr, Msg,
+  #state{sock = Sock, filter = FilterMod, domain = ManagerDomain}) ->
+    {Arg1, Arg2} = fix_filter_address(ManagerDomain, {Domain, Addr}),
+    case (catch FilterMod:accept_send(Arg1, Arg2)) of
 	false ->
 	    inc(netIfMsgOutDrops),
 	    ok;
 	_ ->
+	    %% XXX There should be some kind of lookup of socket
+	    %% from transport domain here
+	    {Ip, Port} = Addr,
 	    udp_send(Sock, Ip, Port, Msg)
     end.
 	    
@@ -998,6 +1025,26 @@ handle_set_log_type(State, _NewType) ->
     {State, {error, not_enabled}}.
 
 
+%% If the manager uses legacy snmpUDPDomain e.g has not set
+%% {domain, _}, then make sure snmpm_network_interface_filter
+%% gets legacy arguments to not break backwards compatibility.
+%%
+fix_filter_address(snmpUDPDomain, {Domain, Addr})
+  when Domain =:= snmpUDPDomain;
+       Domain =:= transportDomainUdpIpv4 ->
+    Addr;
+fix_filter_address(_ManagerDomain, {Domain, _} = Address)
+  when is_atom(Domain) ->
+    Address;
+fix_filter_address(snmpUDPDomain, {_, Port} = Addr)
+  when is_integer(Port) ->
+    Addr.
+
+address(Domain, Addr) when is_atom(Domain) ->
+    {Domain, Addr};
+address(Ip, Port) when is_integer(Port) ->
+    {snmpm_config:default_transport_domain(), {Ip, Port}}.
+
 %% -------------------------------------------------------------------
 
 make_response_pdu(#pdu{request_id = ReqId, varbinds = Vbs}) ->
@@ -1038,15 +1085,17 @@ t() ->
 
 %% -------------------------------------------------------------------
 
-logger(undefined, _Type, _Domain, _Address) ->
+logger(undefined, _Type, _Domain, _Addr) ->
     fun(_) ->
 	    ok
     end;
-logger({Log, Types}, Type, Domain, Address) ->
+logger({Log, Types}, Type, Domain, Addr) ->
     case lists:member(Type, Types) of
 	true ->
+	    AddrString =
+		iolist_to_binary(snmp_conf:mk_addr_string({Domain, Addr})),
 	    fun(Msg) ->
-		    snmp_log:log(Log, Msg, Domain, Address)
+		    snmp_log:log(Log, Msg, AddrString)
 	    end;
 	false ->
 	    fun(_) ->
diff --git a/lib/snmp/src/manager/snmpm_net_if_filter.erl b/lib/snmp/src/manager/snmpm_net_if_filter.erl
index 54b87a772a..d96ae5c145 100644
--- a/lib/snmp/src/manager/snmpm_net_if_filter.erl
+++ b/lib/snmp/src/manager/snmpm_net_if_filter.erl
@@ -30,10 +30,10 @@ accept_recv(Domain, _Address) when is_atom(Domain) ->
        "   Domain:  ~p~n"
        "   Address: ~p", [Domain, _Address]),
     true;
-accept_recv(_Addr, _Port) ->
+accept_recv(_Addr, Port) when is_integer(Port) ->
     ?d("accept_recv -> entry with~n"
        "   Addr: ~p~n"
-       "   Port: ~p", [_Addr, _Port]),
+       "   Port: ~p", [_Addr, Port]),
     true.
 
 accept_send(Domain, _Address) when is_atom(Domain) ->
@@ -41,10 +41,10 @@ accept_send(Domain, _Address) when is_atom(Domain) ->
        "   Domain:  ~p~n"
        "   Address: ~p", [Domain, _Address]),
     true;
-accept_send(_Addr, _Port) ->
+accept_send(_Addr, Port) when is_integer(Port) ->
     ?d("accept_send -> entry with~n"
        "   Addr: ~p~n"
-       "   Port: ~p", [_Addr, _Port]),
+       "   Port: ~p", [_Addr, Port]),
     true.
 
 accept_recv_pdu(Domain, _Address, _PduType) when is_atom(Domain) ->
@@ -53,11 +53,11 @@ accept_recv_pdu(Domain, _Address, _PduType) when is_atom(Domain) ->
        "   Address: ~p~n"
        "   PduType: ~p", [Domain, _Address, _PduType]),
     true;
-accept_recv_pdu(_Addr, _Port, _PduType) ->
+accept_recv_pdu(_Addr, Port, _PduType) when is_integer(Port) ->
     ?d("accept_recv_pdu -> entry with~n"
        "   Addr: ~p~n"
        "   Port: ~p~n"
-       "   PduType: ~p", [_Addr, _Port, _PduType]),
+       "   PduType: ~p", [_Addr, Port, _PduType]),
     true.
 
 accept_send_pdu(Domain, _Address, _PduType) when is_atom(Domain) ->
@@ -66,10 +66,10 @@ accept_send_pdu(Domain, _Address, _PduType) when is_atom(Domain) ->
        "   Address: ~p~n"
        "   PduType: ~p", [Domain, _Address, _PduType]),
     true;
-accept_send_pdu(_Addr, _Port, _PduType) ->
+accept_send_pdu(_Addr, Port, _PduType) when is_integer(Port) ->
     ?d("accept_send_pdu -> entry with~n"
        "   Addr:    ~p~n"
        "   Port:    ~p~n"
-       "   PduType: ~p", [_Addr, _Port, _PduType]),
+       "   PduType: ~p", [_Addr, Port, _PduType]),
     true.
 
diff --git a/lib/snmp/src/manager/snmpm_server.erl b/lib/snmp/src/manager/snmpm_server.erl
index b3389ef96c..ece5dad082 100644
--- a/lib/snmp/src/manager/snmpm_server.erl
+++ b/lib/snmp/src/manager/snmpm_server.erl
@@ -1032,14 +1032,14 @@ handle_info({snmp_error, Pdu, Reason}, State) ->
     handle_snmp_error(Pdu, Reason, State),
     {noreply, State};
 
-handle_info({snmp_error, Reason, Domain, Address}, State) ->
+handle_info({snmp_error, Reason, Domain, Addr}, State) ->
     ?vlog("received snmp_error message", []),
-    handle_snmp_error(Domain, Address, -1, Reason, State),
+    handle_snmp_error(Domain, Addr, -1, Reason, State),
     {noreply, State};
 
-handle_info({snmp_error, ReqId, Reason, Domain, Address}, State) ->
+handle_info({snmp_error, ReqId, Reason, Domain, Addr}, State) ->
     ?vlog("received snmp_error message", []),
-    handle_snmp_error(Domain, Address, ReqId, Reason, State),
+    handle_snmp_error(Domain, Addr, ReqId, Reason, State),
     {noreply, State};
 
 %% handle_info({snmp_error, ReqId, Pdu, Reason, Addr, Port}, State) ->
@@ -1048,30 +1048,30 @@ handle_info({snmp_error, ReqId, Reason, Domain, Address}, State) ->
 %%     {noreply, State};
 
 
-handle_info({snmp_pdu, Pdu, Domain, Address}, State) ->
+handle_info({snmp_pdu, Pdu, Domain, Addr}, State) ->
     ?vlog("received snmp_pdu message", []),
-    handle_snmp_pdu(Pdu, Domain, Address, State),
+    handle_snmp_pdu(Pdu, Domain, Addr, State),
     {noreply, State};
 
 
-handle_info({snmp_trap, Trap, Domain, Address}, State) ->
+handle_info({snmp_trap, Trap, Domain, Addr}, State) ->
     ?vlog("received snmp_trap message", []),
-    handle_snmp_trap(Trap, Domain, Address, State),
+    handle_snmp_trap(Trap, Domain, Addr, State),
     {noreply, State};
 
 
-handle_info({snmp_inform, Ref, Pdu, Domain, Address}, State) ->
+handle_info({snmp_inform, Ref, Pdu, Domain, Addr}, State) ->
     ?vlog("received snmp_inform message", []),
-    handle_snmp_inform(Ref, Pdu, Domain, Address, State),
+    handle_snmp_inform(Ref, Pdu, Domain, Addr, State),
     {noreply, State};
 
 
-handle_info({snmp_report, {ok, Pdu}, Domain, Address}, State) ->
-    handle_snmp_report(Pdu, Domain, Address, State),
+handle_info({snmp_report, {ok, Pdu}, Domain, Addr}, State) ->
+    handle_snmp_report(Pdu, Domain, Addr, State),
     {noreply, State};
 
-handle_info({snmp_report, {error, ReqId, Info, Pdu}, Domain, Address}, State) ->
-    handle_snmp_report(ReqId, Pdu, Info, Domain, Address, State),
+handle_info({snmp_report, {error, ReqId, Info, Pdu}, Domain, Addr}, State) ->
+    handle_snmp_report(ReqId, Pdu, Info, Domain, Addr, State),
     {noreply, State};
 
 
@@ -1175,11 +1175,11 @@ handle_sync_get(Pid, UserId, TargetName, Oids, SendOpts, From, State) ->
 	    "~n   From:       ~p", 
 	    [Pid, UserId, TargetName, Oids, SendOpts, From]),
     case agent_data(TargetName, SendOpts) of
-	{ok, RegType, Domain, Address, Vsn, MsgData} ->
+	{ok, RegType, Domain, Addr, Vsn, MsgData} ->
 	    ?vtrace("handle_sync_get -> send a ~p message", [Vsn]),
 	    Extra   = ?GET_EXTRA(SendOpts), 
 	    ReqId   = send_get_request(Oids, Vsn, MsgData, 
-				       Domain, Address,
+				       Domain, Addr,
 				       Extra, State),
 	    ?vdebug("handle_sync_get -> ReqId: ~p", [ReqId]),
 	    Msg     = {sync_timeout, ReqId, From},
@@ -1192,7 +1192,7 @@ handle_sync_get(Pid, UserId, TargetName, Oids, SendOpts, From, State) ->
 			       reg_type = RegType, 
 			       target   = TargetName, 
 			       domain   = Domain, 
-			       address  = Address,
+			       address  = Addr,
 			       type     = get, 
 			       data     = MsgData, 
 			       ref      = Ref, 
@@ -1228,11 +1228,11 @@ handle_sync_get_next(Pid, UserId, TargetName, Oids, SendOpts,
 	    "~n   From:       ~p", 
 	    [Pid, UserId, TargetName, Oids, SendOpts, From]),
     case agent_data(TargetName, SendOpts) of
-	{ok, RegType, Domain, Address, Vsn, MsgData} ->
+	{ok, RegType, Domain, Addr, Vsn, MsgData} ->
 	    ?vtrace("handle_sync_get_next -> send a ~p message", [Vsn]),
 	    Extra   = ?GET_EXTRA(SendOpts), 
 	    ReqId   = send_get_next_request(Oids, Vsn, MsgData, 
-					    Domain, Address,
+					    Domain, Addr,
 					    Extra, State),
 	    ?vdebug("handle_sync_get_next -> ReqId: ~p", [ReqId]),
 	    Msg     = {sync_timeout, ReqId, From},
@@ -1245,7 +1245,7 @@ handle_sync_get_next(Pid, UserId, TargetName, Oids, SendOpts,
 			       reg_type = RegType, 
 			       target   = TargetName, 
 			       domain   = Domain, 
-			       address  = Address,
+			       address  = Addr,
 			       type     = get_next, 
 			       data     = MsgData, 
 			       ref      = Ref, 
@@ -1287,11 +1287,11 @@ handle_sync_get_bulk(Pid, UserId, TargetName, NonRep, MaxRep, Oids, SendOpts,
 	    "~n   From:       ~p", 
 	    [Pid, UserId, TargetName, NonRep, MaxRep, Oids, SendOpts, From]),
     case agent_data(TargetName, SendOpts) of
-	{ok, RegType, Domain, Address, Vsn, MsgData} ->
+	{ok, RegType, Domain, Addr, Vsn, MsgData} ->
 	    ?vtrace("handle_sync_get_bulk -> send a ~p message", [Vsn]),
 	    Extra   = ?GET_EXTRA(SendOpts), 
 	    ReqId   = send_get_bulk_request(Oids, Vsn, MsgData, 
-					    Domain, Address,
+					    Domain, Addr,
 					    NonRep, MaxRep, Extra, State),
 	    ?vdebug("handle_sync_get_bulk -> ReqId: ~p", [ReqId]),
 	    Msg     = {sync_timeout, ReqId, From},
@@ -1304,7 +1304,7 @@ handle_sync_get_bulk(Pid, UserId, TargetName, NonRep, MaxRep, Oids, SendOpts,
 			       reg_type = RegType, 
 			       target   = TargetName, 
 			       domain   = Domain, 
-			       address  = Address,
+			       address  = Addr,
 			       type     = get_bulk, 
 			       data     = MsgData, 
 			       ref      = Ref, 
@@ -1342,11 +1342,11 @@ handle_sync_set(Pid, UserId, TargetName, VarsAndVals, SendOpts, From, State) ->
 	    "~n   From:        ~p", 
 	    [Pid, UserId, TargetName, VarsAndVals, From]),
     case agent_data(TargetName, SendOpts) of
-	{ok, RegType, Domain, Address, Vsn, MsgData} ->
+	{ok, RegType, Domain, Addr, Vsn, MsgData} ->
 	    ?vtrace("handle_sync_set -> send a ~p message", [Vsn]),
 	    Extra   = ?GET_EXTRA(SendOpts), 
 	    ReqId   = send_set_request(VarsAndVals, Vsn, MsgData, 
-				       Domain, Address,
+				       Domain, Addr,
 				       Extra, State),
 	    ?vdebug("handle_sync_set -> ReqId: ~p", [ReqId]),
 	    Msg     = {sync_timeout, ReqId, From},
@@ -1359,7 +1359,7 @@ handle_sync_set(Pid, UserId, TargetName, VarsAndVals, SendOpts, From, State) ->
 			       reg_type = RegType, 
 			       target   = TargetName, 
 			       domain   = Domain, 
-			       address  = Address,
+			       address  = Addr,
 			       type     = set, 
 			       data     = MsgData, 
 			       ref      = Ref, 
@@ -1395,11 +1395,11 @@ handle_async_get(Pid, UserId, TargetName, Oids, SendOpts, State) ->
 	    "~n   SendOpts:   ~p",
 	    [Pid, UserId, TargetName, Oids, SendOpts]),
     case agent_data(TargetName, SendOpts) of
-	{ok, RegType, Domain, Address, Vsn, MsgData} ->
+	{ok, RegType, Domain, Addr, Vsn, MsgData} ->
 	    ?vtrace("handle_async_get -> send a ~p message", [Vsn]),
 	    Extra  = ?GET_EXTRA(SendOpts), 
 	    ReqId  = send_get_request(Oids, Vsn, MsgData, 
-				      Domain, Address,
+				      Domain, Addr,
 				      Extra, State),
 	    ?vdebug("handle_async_get -> ReqId: ~p", [ReqId]),
 	    Expire = ?ASYNC_GET_TIMEOUT(SendOpts), 
@@ -1408,7 +1408,7 @@ handle_async_get(Pid, UserId, TargetName, Oids, SendOpts, State) ->
 			      reg_type = RegType, 
 			      target   = TargetName, 
 			      domain   = Domain, 
-			      address  = Address,
+			      address  = Addr,
 			      type     = get, 
 			      data     = MsgData, 
 			      expire   = t() + Expire},
@@ -1444,11 +1444,11 @@ handle_async_get_next(Pid, UserId, TargetName, Oids, SendOpts, State) ->
 	    "~n   SendOpts:   ~p",
 	    [Pid, UserId, TargetName, Oids, SendOpts]),
     case agent_data(TargetName, SendOpts) of
-	{ok, RegType, Domain, Address, Vsn, MsgData} ->
+	{ok, RegType, Domain, Addr, Vsn, MsgData} ->
 	    ?vtrace("handle_async_get_next -> send a ~p message", [Vsn]),
 	    Extra  = ?GET_EXTRA(SendOpts), 
 	    ReqId  = send_get_next_request(Oids, Vsn, MsgData, 
-					   Domain, Address,
+					   Domain, Addr,
 					   Extra, State),
 	    ?vdebug("handle_async_get_next -> ReqId: ~p", [ReqId]),
 	    Expire = ?ASYNC_GET_NEXT_TIMEOUT(SendOpts), 
@@ -1457,7 +1457,7 @@ handle_async_get_next(Pid, UserId, TargetName, Oids, SendOpts, State) ->
 			      reg_type = RegType, 
 			      target   = TargetName, 
 			      domain   = Domain, 
-			      address  = Address,
+			      address  = Addr,
 			      type     = get_next, 
 			      data     = MsgData, 
 			      expire   = t() + Expire},
@@ -1500,11 +1500,11 @@ handle_async_get_bulk(Pid,
 	    "~n   SendOpts:   ~p", 
 	    [Pid, UserId, TargetName, NonRep, MaxRep, Oids, SendOpts]),
     case agent_data(TargetName, SendOpts) of
-	{ok, RegType, Domain, Address, Vsn, MsgData} ->
+	{ok, RegType, Domain, Addr, Vsn, MsgData} ->
 	    ?vtrace("handle_async_get_bulk -> send a ~p message", [Vsn]),
 	    Extra  = ?GET_EXTRA(SendOpts), 
 	    ReqId  = send_get_bulk_request(Oids, Vsn, MsgData, 
-					   Domain, Address,
+					   Domain, Addr,
 					   NonRep, MaxRep, Extra, State),
 	    ?vdebug("handle_async_get_bulk -> ReqId: ~p", [ReqId]),
 	    Expire = ?ASYNC_GET_BULK_TIMEOUT(SendOpts), 
@@ -1513,7 +1513,7 @@ handle_async_get_bulk(Pid,
 			      reg_type = RegType, 
 			      target   = TargetName, 
 			      domain   = Domain, 
-			      address  = Address,
+			      address  = Addr,
 			      type     = get_bulk, 
 			      data     = MsgData, 
 			      expire   = t() + Expire},
@@ -1548,11 +1548,11 @@ handle_async_set(Pid, UserId, TargetName, VarsAndVals, SendOpts, State) ->
 	    "~n   SendOpts:    ~p",
 	    [Pid, UserId, TargetName, VarsAndVals, SendOpts]),
     case agent_data(TargetName, SendOpts) of
-	{ok, RegType, Domain, Address, Vsn, MsgData} ->
+	{ok, RegType, Domain, Addr, Vsn, MsgData} ->
 	    ?vtrace("handle_async_set -> send a ~p message", [Vsn]),
 	    Extra  = ?GET_EXTRA(SendOpts), 
 	    ReqId  = send_set_request(VarsAndVals, Vsn, MsgData, 
-				      Domain, Address,
+				      Domain, Addr,
 				      Extra, State),
 	    ?vdebug("handle_async_set -> ReqId: ~p", [ReqId]),
 	    Expire = ?ASYNC_SET_TIMEOUT(SendOpts), 
@@ -1561,7 +1561,7 @@ handle_async_set(Pid, UserId, TargetName, VarsAndVals, SendOpts, State) ->
 			      reg_type = RegType, 
 			      target   = TargetName, 
 			      domain   = Domain, 
-			      address  = Address,
+			      address  = Addr,
 			      type     = set, 
 			      data     = MsgData, 
 			      expire   = t() + Expire},
@@ -1799,15 +1799,15 @@ handle_snmp_error(CrapError, Reason, _State) ->
 	      "~n~p~n~p", [CrapError, Reason]),
     ok.
 
-handle_snmp_error(Domain, Address, ReqId, Reason, State) ->
+handle_snmp_error(Domain, Addr, ReqId, Reason, State) ->
 
     ?vtrace("handle_snmp_error -> entry with~n"
 	    "   Domain:  ~p~n"
-	    "   Address: ~p~n"
+	    "   Addr:    ~p~n"
 	    "   ReqId:   ~p~n"
-	    "   Reason:  ~p", [Domain, Address, ReqId, Reason]),
+	    "   Reason:  ~p", [Domain, Addr, ReqId, Reason]),
 
-    case snmpm_config:get_agent_user_id(Domain, Address) of
+    case snmpm_config:get_agent_user_id(Domain, Addr) of
 	{ok, UserId} ->
 	    case snmpm_config:user_info(UserId) of
 		{ok, UserMod, UserData} ->
@@ -1822,7 +1822,7 @@ handle_snmp_error(Domain, Address, ReqId, Reason, State) ->
 			    error_msg("failed retreiving the default user "
 				      "info handling snmp error "
 				      "<~p,~p>: ~n~w~n~w",
-				      [Domain, Address, ReqId, Reason])
+				      [Domain, Addr, ReqId, Reason])
 		    end
 	    end;
 	_Error ->
@@ -1834,7 +1834,7 @@ handle_snmp_error(Domain, Address, ReqId, Reason, State) ->
 		    error_msg("failed retreiving the default user "
 			      "info handling snmp error "
 			      "<~p,~p>: ~n~w~n~w",
-			      [Domain, Address, ReqId, Reason])
+			      [Domain, Addr, ReqId, Reason])
 	    end
     end.
 
@@ -1858,12 +1858,12 @@ handle_error(_UserId, Mod, Reason, ReqId, Data, _State) ->
 
 
 handle_snmp_pdu(#pdu{type = 'get-response', request_id = ReqId} = Pdu, 
-		Domain, Address, State) ->
+		Domain, Addr, State) ->
 
     ?vtrace("handle_snmp_pdu(get-response) -> entry with~n"
 	    "   Domain:  ~p~n"
-	    "   Address: ~p~n"
-	    "   Pdu:     ~p", [Domain, Address, Pdu]),
+	    "   Addr:    ~p~n"
+	    "   Pdu:     ~p", [Domain, Addr, Pdu]),
 
     case ets:lookup(snmpm_request_table, ReqId) of
 
@@ -1895,7 +1895,7 @@ handle_snmp_pdu(#pdu{type = 'get-response', request_id = ReqId} = Pdu,
 		{ok, UserMod, UserData} ->
 		    handle_pdu(
 		      UserId, UserMod,
-		      RegType, Target, Domain, Address,
+		      RegType, Target, Domain, Addr,
 		      ReqId, SnmpResponse, UserData, State),
 		    maybe_delete(Disco, ReqId);
 		_Error ->
@@ -1906,14 +1906,14 @@ handle_snmp_pdu(#pdu{type = 'get-response', request_id = ReqId} = Pdu,
 			{ok, DefUserId, DefMod, DefData} ->
 			    handle_pdu(
 			      DefUserId, DefMod,
-			      RegType, Target, Domain, Address,
+			      RegType, Target, Domain, Addr,
 			      ReqId, SnmpResponse, DefData, State),
 			    maybe_delete(Disco, ReqId);
 			Error ->
 			    error_msg("failed retreiving the default user "
 				      "info handling pdu from "
 				      "~p <~p,~p>: ~n~w~n~w",
-				      [Target, Domain, Address, Error, Pdu])
+				      [Target, Domain, Addr, Error, Pdu])
 		    end
 	    end;
 
@@ -1967,7 +1967,7 @@ handle_snmp_pdu(#pdu{type = 'get-response', request_id = ReqId} = Pdu,
 		 varbinds     = Varbinds} = Pdu,
 	    Varbinds2 = fix_vbs_BITS(Varbinds), 
 	    SnmpInfo = {EStatus, EIndex, Varbinds2},
-	    case snmpm_config:get_agent_user_id(Domain, Address) of
+	    case snmpm_config:get_agent_user_id(Domain, Addr) of
 		{ok, UserId} ->
 		    %% A very late reply or a reply to a request
 		    %% that has been cancelled.
@@ -1992,7 +1992,7 @@ handle_snmp_pdu(#pdu{type = 'get-response', request_id = ReqId} = Pdu,
 					      "user info handling (old) "
 					      "pdu from "
 					      "<~p,~p>: ~n~w~n~w",
-					      [Domain, Address, Error, Pdu])
+					      [Domain, Addr, Error, Pdu])
 			    end
 		    end;
 
@@ -2011,7 +2011,7 @@ handle_snmp_pdu(#pdu{type = 'get-response', request_id = ReqId} = Pdu,
 			{ok, DefUserId, DefMod, DefData} ->
 			    handle_agent(
 			      DefUserId, DefMod,
-			      Domain, Address,
+			      Domain, Addr,
 			      pdu, ignore,
 			      SnmpInfo, DefData, State);
 			Error ->
@@ -2019,19 +2019,19 @@ handle_snmp_pdu(#pdu{type = 'get-response', request_id = ReqId} = Pdu,
 				      "info handling (old) pdu when no user "
 				      "found from "
 				      "<~p,~p>: ~n~w~n~w",
-				      [Domain, Address, Error, Pdu])
+				      [Domain, Addr, Error, Pdu])
 		    end
 	    end
     end;
 
-handle_snmp_pdu(CrapPdu, Domain, Address, _State) ->
+handle_snmp_pdu(CrapPdu, Domain, Addr, _State) ->
     error_msg("received crap (snmp) Pdu from ~w:~w =>"
-	      "~p", [Domain, Address, CrapPdu]),
+	      "~p", [Domain, Addr, CrapPdu]),
     ok.
 
 
 handle_pdu(
-  _UserId, Mod, target_name = _RegType, TargetName, _Domain, _Address,
+  _UserId, Mod, target_name = _RegType, TargetName, _Domain, _Addr,
   ReqId, SnmpResponse, Data, _State) ->
     ?vtrace("handle_pdu(target_name) -> entry when"
 	    "~n   Mod: ~p", [Mod]),
@@ -2049,37 +2049,37 @@ handle_pdu(
     handle_callback(F),
     ok;
 handle_pdu(
-  _UserId, Mod, addr_port = _RegType, _TargetName, _Domain, Address,
+  _UserId, Mod, addr_port = _RegType, _TargetName, _Domain, Addr,
   ReqId, SnmpResponse, Data, _State) ->
     ?vtrace("handle_pdu(addr_port) -> entry when"
 	    "~n   Mod: ~p", [Mod]),
     F = fun() ->
-		{Ip, Port} = Address,
+		{Ip, Port} = Addr,
 		(catch Mod:handle_pdu(Ip, Port, ReqId, SnmpResponse, Data))
 	end,
     handle_callback(F),
     ok.
 
 
-handle_agent(UserId, Mod, Domain, Address, Type, Ref, SnmpInfo, Data, State) ->
+handle_agent(UserId, Mod, Domain, Addr, Type, Ref, SnmpInfo, Data, State) ->
     ?vtrace("handle_agent -> entry when"
 	    "~n   UserId: ~p"
 	    "~n   Type:   ~p"
 	    "~n   Mod:    ~p", [UserId, Type, Mod]),
     F = fun() ->
-		do_handle_agent(UserId, Mod, Domain, Address,
+		do_handle_agent(UserId, Mod, Domain, Addr,
 				Type, Ref, SnmpInfo, Data, State)
 	end,
     handle_callback(F),
     ok.
 
 do_handle_agent(DefUserId, DefMod, 
-		Domain, Address,
+		Domain, Addr,
 		Type, Ref, 
 		SnmpInfo, DefData, State) ->
     ?vdebug("do_handle_agent -> entry when"
 	    "~n   DefUserId: ~p", [DefUserId]),
-    try DefMod:handle_agent(Domain, Address, Type, SnmpInfo, DefData) of
+    try DefMod:handle_agent(Domain, Addr, Type, SnmpInfo, DefData) of
 	{register, UserId2, TargetName, Config} ->  
 	    ?vtrace("do_handle_agent -> register: "
 		    "~n   UserId2:    ~p"
@@ -2088,7 +2088,7 @@ do_handle_agent(DefUserId, DefMod,
 		    [UserId2, TargetName, Config]),
 	    Config2 =
 		ensure_present(
-		  [{tdomain, Domain}, {taddress, Address}], Config),
+		  [{tdomain, Domain}, {taddress, Addr}], Config),
 	    Config3 = [{reg_type, target_name} | Config2], 
 	    case snmpm_config:register_agent(UserId2, 
 					     TargetName, Config3) of
@@ -2098,7 +2098,7 @@ do_handle_agent(DefUserId, DefMod,
 		    error_msg("failed registering agent - "
 			      "handling agent "
 			      "~p <~p,~p>: ~n~w", 
-			      [TargetName, Domain, Address, Reason]),
+			      [TargetName, Domain, Addr, Reason]),
 		    ok
 	    end;
 	
@@ -2107,23 +2107,23 @@ do_handle_agent(DefUserId, DefMod,
 	    ok;
 
 	InvalidResult ->
-	    CallbackArgs = [Domain, Address, Type, SnmpInfo, DefData], 
+	    CallbackArgs = [Domain, Addr, Type, SnmpInfo, DefData],
 	    handle_invalid_result(handle_agent, CallbackArgs, InvalidResult) 
 
     catch
 	error:{undef, _} when Type =:= pdu ->
 	    %% Maybe, still on the old API
 	    ?vdebug("do_handle_agent -> maybe still on the old api", []),
-	    {Ip, Port} = Address,
+	    {Ip, Port} = Addr,
 	    case (catch DefMod:handle_agent(Ip, Port, SnmpInfo, DefData)) of
 		{register, UserId2, Config} ->  
 		    ?vtrace("do_handle_agent -> register: "
 			    "~n   UserId2: ~p"
 			    "~n   Config:  ~p", [UserId2, Config]),
-		    TargetName = mk_target_name(Domain, Address, Config),
+		    TargetName = mk_target_name(Domain, Addr, Config),
 		    Config2 =
 			ensure_present(
-			  [{tdomain, Domain}, {taddress, Address}], Config),
+			  [{tdomain, Domain}, {taddress, Addr}], Config),
 		    Config3 = [{reg_type, addr_port} | Config2],
 		    case snmpm_config:register_agent(
 			   UserId2, TargetName, Config3) of
@@ -2133,7 +2133,7 @@ do_handle_agent(DefUserId, DefMod,
 			    error_msg("failed registering agent - "
 				      "handling agent "
 				      "~p <~p,~p>: ~n~w", 
-				      [TargetName, Domain, Address, Reason]),
+				      [TargetName, Domain, Addr, Reason]),
 			    ok
 		    end;
 		{register, UserId2, TargetName, Config} ->  
@@ -2144,7 +2144,7 @@ do_handle_agent(DefUserId, DefMod,
 			    [UserId2, TargetName, Config]),
 		    Config2 =
 			ensure_present(
-			  [{tdomain, Domain}, {taddress, Address}], Config),
+			  [{tdomain, Domain}, {taddress, Addr}], Config),
 		    Config3 = [{reg_type, target_name} | Config2], 
 		    case snmpm_config:register_agent(
 			   UserId2, TargetName, Config3) of
@@ -2154,7 +2154,7 @@ do_handle_agent(DefUserId, DefMod,
 			    error_msg("failed registering agent - "
 				      "handling agent "
 				      "~p <~p,~p>: ~n~w", 
-				      [TargetName, Domain, Address, Reason]),
+				      [TargetName, Domain, Addr, Reason]),
 			    ok
 		    end;
 		_Ignore ->
@@ -2172,38 +2172,38 @@ do_handle_agent(DefUserId, DefMod,
 
 	    %% Backward compatibillity crap
 	    RegType = target_name,
-	    Target  = mk_target_name(Domain, Address, default_agent_config()),
+	    Target  = mk_target_name(Domain, Addr, default_agent_config()),
 	    case Type of
 		report ->
 		    SnmpInform = SnmpInfo, 
 		    handle_report(
 		      DefUserId, DefMod, 
-		      RegType, Target, Domain, Address,
+		      RegType, Target, Domain, Addr,
 		      SnmpInform, DefData, State);
 
 		inform ->
 		    SnmpInform = SnmpInfo, 
 		    handle_inform(
 		      DefUserId, DefMod, Ref, 
-		      RegType, Target, Domain, Address, 
+		      RegType, Target, Domain, Addr,
 		      SnmpInform, DefData, State);
 
 		trap ->
 		    SnmpTrapInfo = SnmpInfo, 
 		    handle_trap(
 		      DefUserId, DefMod, 
-		      RegType, Target, Domain, Address,
+		      RegType, Target, Domain, Addr,
 		      SnmpTrapInfo, DefData, State);
 
 		_ ->
 		    error_msg(
 		      "failed delivering ~w info to default user - "
 		      "regarding agent "
-		      "<~p,~p>: ~n~w", [Type, Domain, Address, SnmpInfo])
+		      "<~p,~p>: ~n~w", [Type, Domain, Addr, SnmpInfo])
 	    end;
 	
 	T:E ->
-	    CallbackArgs = [Domain, Address, Type, SnmpInfo, DefData], 
+	    CallbackArgs = [Domain, Addr, Type, SnmpInfo, DefData],
 	    handle_invalid_result(handle_agent, CallbackArgs, T, E)
 	    
     end.
@@ -2226,45 +2226,45 @@ handle_snmp_trap(
 	   generic_trap  = Generic, 
 	   specific_trap = Spec,
 	   time_stamp    = Timestamp, 
-	   varbinds      = Varbinds} = Trap, Domain, Address, State) ->
+	   varbinds      = Varbinds} = Trap, Domain, Addr, State) ->
 
     ?vtrace("handle_snmp_trap [trappdu] -> entry with~n"
 	    "   Domain:  ~p~n"
-	    "   Address: ~p~n"
-	    "   Trap:    ~p", [Domain, Address, Trap]),
+	    "   Addr:    ~p~n"
+	    "   Trap:    ~p", [Domain, Addr, Trap]),
 
     Varbinds2 = fix_vbs_BITS(Varbinds), 
     SnmpTrapInfo = {Enteprise, Generic, Spec, Timestamp, Varbinds2},
-    do_handle_snmp_trap(SnmpTrapInfo, Domain, Address, State);
+    do_handle_snmp_trap(SnmpTrapInfo, Domain, Addr, State);
 
 handle_snmp_trap(#pdu{error_status = EStatus, 
 		      error_index  = EIndex, 
 		      varbinds     = Varbinds} = Trap, 
-		 Domain, Address, State) ->
+		 Domain, Addr, State) ->
 
     ?vtrace("handle_snmp_trap [pdu] -> entry with~n"
 	    "   Domain:  ~p~n"
-	    "   Address: ~p~n"
-	    "   Trap:    ~p", [Domain, Address, Trap]),
+	    "   Addr:    ~p~n"
+	    "   Trap:    ~p", [Domain, Addr, Trap]),
 
     Varbinds2 = fix_vbs_BITS(Varbinds), 
     SnmpTrapInfo = {EStatus, EIndex, Varbinds2},
-    do_handle_snmp_trap(SnmpTrapInfo, Domain, Address, State);
+    do_handle_snmp_trap(SnmpTrapInfo, Domain, Addr, State);
 
-handle_snmp_trap(CrapTrap, Domain, Address, _State) ->
+handle_snmp_trap(CrapTrap, Domain, Addr, _State) ->
     error_msg("received crap (snmp) trap from ~w:~w =>"
-	      "~p", [Domain, Address, CrapTrap]),
+	      "~p", [Domain, Addr, CrapTrap]),
     ok.
 
-do_handle_snmp_trap(SnmpTrapInfo, Domain, Address, State) ->
-    case snmpm_config:get_agent_user_info(Domain, Address) of
+do_handle_snmp_trap(SnmpTrapInfo, Domain, Addr, State) ->
+    case snmpm_config:get_agent_user_info(Domain, Addr) of
 	{ok, UserId, Target, RegType} ->
 	    ?vtrace("handle_snmp_trap -> found user: ~p", [UserId]), 
 	    case snmpm_config:user_info(UserId) of
 		{ok, Mod, Data} ->
 		    handle_trap(
 		      UserId, Mod, 
-		      RegType, Target, Domain, Address, 
+		      RegType, Target, Domain, Addr,
 		      SnmpTrapInfo, Data, State);
 		
 		Error1 ->
@@ -2279,7 +2279,7 @@ do_handle_snmp_trap(SnmpTrapInfo, Domain, Address, State) ->
 				{ok, DefUserId, DefMod, DefData} ->
 				    handle_agent(
 				      DefUserId, DefMod, 
-				      Domain, Address, 
+				      Domain, Addr,
 				      trap, ignore, 
 				      SnmpTrapInfo, DefData, State);
 				Error2 ->
@@ -2287,7 +2287,7 @@ do_handle_snmp_trap(SnmpTrapInfo, Domain, Address, State) ->
 				      "failed retreiving the default "
 				      "user info handling report from "
 				      "~p <~p,~p>: ~n~w~n~w",
-				      [Target, Domain, Address, 
+				      [Target, Domain, Addr,
 				       Error2, SnmpTrapInfo])
 			    end;
 			Error3 ->
@@ -2299,7 +2299,7 @@ do_handle_snmp_trap(SnmpTrapInfo, Domain, Address, State) ->
 			      "user ~p, handling trap: "
 			      "~n   Error:     ~w"
 			      "~n   Trap info: ~w",
-			      [Target, Domain, Address, UserId, 
+			      [Target, Domain, Addr, UserId,
 			       Error3, SnmpTrapInfo])
 		    end
 	    end;
@@ -2307,12 +2307,12 @@ do_handle_snmp_trap(SnmpTrapInfo, Domain, Address, State) ->
 	Error4 ->
 	    %% Unknown agent, pass it on to the default user
 	    ?vlog("[trap] failed retreiving user id for agent <~p,~p>: "
-		  "~n   ~p", [Domain, Address, Error4]),
+		  "~n   ~p", [Domain, Addr, Error4]),
 	    case snmpm_config:user_info() of
 		{ok, DefUserId, DefMod, DefData} ->
 		    handle_agent(
 		      DefUserId, DefMod, 
-		      Domain, Address, 
+		      Domain, Addr,
 		      trap, ignore, 
 		      SnmpTrapInfo, DefData, State);
 		Error5 ->
@@ -2320,21 +2320,21 @@ do_handle_snmp_trap(SnmpTrapInfo, Domain, Address, State) ->
 		      "failed retreiving "
 		      "the default user info handling trap from "
 		      "<~p,~p>: ~n~w~n~w",
-		      [Domain, Address, Error5, SnmpTrapInfo])
+		      [Domain, Addr, Error5, SnmpTrapInfo])
 	    end
     end,
     ok.
 
 
 handle_trap(
-  UserId, Mod, RegType, Target, Domain, Address, SnmpTrapInfo, Data, State) ->
+  UserId, Mod, RegType, Target, Domain, Addr, SnmpTrapInfo, Data, State) ->
     ?vtrace("handle_trap -> entry with"
 	    "~n   UserId: ~p"
 	    "~n   Mod:    ~p", [UserId, Mod]),
     F = fun() ->
 		do_handle_trap(
 		  UserId, Mod, 
-		  RegType, Target, Domain, Address, 
+		  RegType, Target, Domain, Addr,
 		  SnmpTrapInfo, Data, State)
 	end,
     handle_callback(F),
@@ -2342,7 +2342,7 @@ handle_trap(
     
 
 do_handle_trap(
-  UserId, Mod, RegType, Target, Domain, Address, SnmpTrapInfo, Data, _State) ->
+  UserId, Mod, RegType, Target, Domain, Addr, SnmpTrapInfo, Data, _State) ->
     ?vdebug("do_handle_trap -> entry with"
 	    "~n   UserId: ~p", [UserId]),
     {HandleTrap, CallbackArgs} = 
@@ -2351,7 +2351,7 @@ do_handle_trap(
 		{fun() -> Mod:handle_trap(Target, SnmpTrapInfo, Data) end, 
 		 [Target, SnmpTrapInfo, Data]};
 	    addr_port ->
-		{Ip, Port} = Address,
+		{Ip, Port} = Addr,
 		{fun() -> Mod:handle_trap(Ip, Port, SnmpTrapInfo, Data) end, 
 		 [Ip, Port, SnmpTrapInfo, Data]}
 	end,
@@ -2361,10 +2361,10 @@ do_handle_trap(
 	    ?vtrace("do_handle_trap -> register: "
 		    "~n   UserId2: ~p"
 		    "~n   Config:  ~p", [UserId2, Config]),
-	    Target2 = mk_target_name(Domain, Address, Config),
+	    Target2 = mk_target_name(Domain, Addr, Config),
 	    Config2 =
 		[{reg_type, target_name}, 
-		 {tdomain, Domain}, {taddress, Address} | Config], 
+		 {tdomain, Domain}, {taddress, Addr} | Config],
 	    case snmpm_config:register_agent(UserId2, Target2, Config2) of
 		ok ->
 		    ok;
@@ -2372,7 +2372,7 @@ do_handle_trap(
 		    error_msg("failed registering agent "
 			      "handling trap "
 			      "<~p,~p>: ~n~w", 
-			      [Domain, Address, Reason]),
+			      [Domain, Addr, Reason]),
 		    ok
 	    end;
 	{register, UserId2, Target2, Config} -> 
@@ -2390,19 +2390,19 @@ do_handle_trap(
 		    error_msg("failed registering agent "
 			      "handling trap "
 			      "~p <~p,~p>: ~n~w", 
-			      [Target2, Domain, Address, Reason]),
+			      [Target2, Domain, Addr, Reason]),
 		    reply
 	    end;
 	unregister ->
 	    ?vtrace("do_handle_trap -> unregister", []),
-	    case snmpm_config:unregister_agent(UserId, Domain, Address) of
+	    case snmpm_config:unregister_agent(UserId, Domain, Addr) of
 		ok ->
 		    ok;
 		{error, Reason} ->
 		    error_msg("failed unregistering agent "
 			      "handling trap "
 			      "<~p,~p>: ~n~w", 
-			      [Domain, Address, Reason]),
+			      [Domain, Addr, Reason]),
 		    ok
 	    end;	    
 	ignore ->
@@ -2423,16 +2423,16 @@ handle_snmp_inform(
   Ref, 
   #pdu{error_status = EStatus, 
        error_index  = EIndex, 
-       varbinds     = Varbinds} = Pdu, Domain, Address, State) ->
+       varbinds     = Varbinds} = Pdu, Domain, Addr, State) ->
  
     ?vtrace("handle_snmp_inform -> entry with~n"
 	    "   Domain:  ~p~n"
-	    "   Address: ~p~n"
-	    "   Pdu:     ~p", [Domain, Address, Pdu]),
+	    "   Addr:    ~p~n"
+	    "   Pdu:     ~p", [Domain, Addr, Pdu]),
 
     Varbinds2 = fix_vbs_BITS(Varbinds), 
     SnmpInform = {EStatus, EIndex, Varbinds2},
-    case snmpm_config:get_agent_user_info(Domain, Address) of
+    case snmpm_config:get_agent_user_info(Domain, Addr) of
 	{ok, UserId, Target, RegType} ->
 	    case snmpm_config:user_info(UserId) of
 		{ok, Mod, Data} ->
@@ -2441,7 +2441,7 @@ handle_snmp_inform(
 			    "~n   Mod:    ~p", [UserId, Mod]),
 		    handle_inform(
 		      UserId, Mod, Ref, 
-		      RegType, Target, Domain, Address, 
+		      RegType, Target, Domain, Addr,
 		      SnmpInform, Data, State);
 		Error1 ->
 		    %% User no longer exists, unregister agent
@@ -2455,14 +2455,14 @@ handle_snmp_inform(
 				{ok, DefUserId, DefMod, DefData} ->
 				    handle_agent(
 				      DefUserId, DefMod, 
-				      Domain, Address,
+				      Domain, Addr,
 				      inform, Ref, 
 				      SnmpInform, DefData, State);
 				Error2 ->
 				    error_msg("failed retreiving the default "
 					      "user info handling inform from "
 					      "~p <~p,~p>: ~n~w~n~w",
-					      [Target, Domain, Address, 
+					      [Target, Domain, Addr,
 					       Error2, Pdu])
 			    end;
 			Error3 ->
@@ -2473,7 +2473,7 @@ handle_snmp_inform(
 					"user ~p, handling inform: "
 					"~n   Error: ~w"
 					"~n   Pdu:   ~w",
-					[Target, Domain, Address, UserId, 
+					[Target, Domain, Addr, UserId,
 					 Error3, Pdu])
 		    end
 	    end;
@@ -2481,38 +2481,38 @@ handle_snmp_inform(
 	Error4 ->
 	    %% Unknown agent, pass it on to the default user
 	    ?vlog("[inform] failed retreiving user id for agent <~p,~p>: "
-		  "~n   ~p", [Domain, Address, Error4]),
+		  "~n   ~p", [Domain, Addr, Error4]),
 	    case snmpm_config:user_info() of
 		{ok, DefUserId, DefMod, DefData} ->
 		    handle_agent(
 		      DefUserId, DefMod, 
-		      Domain, Address, 
+		      Domain, Addr,
 		      inform, Ref, 
 		      SnmpInform, DefData, State);
 		Error5 ->
 		    error_msg("failed retreiving "
 			      "the default user info handling inform from "
 			      "<~p,~p>: ~n~w~n~w",
-			      [Domain, Address, Error5, Pdu])
+			      [Domain, Addr, Error5, Pdu])
 	    end
     end,
     ok;
 
-handle_snmp_inform(_Ref, CrapInform, Domain, Address, _State) ->
+handle_snmp_inform(_Ref, CrapInform, Domain, Addr, _State) ->
     error_msg("received crap (snmp) inform from ~w:~w =>"
-	      "~p", [Domain, Address, CrapInform]),
+	      "~p", [Domain, Addr, CrapInform]),
     ok.
 
 handle_inform(
   UserId, Mod, Ref, 
-  RegType, Target, Domain, Address, SnmpInform, Data, State) ->
+  RegType, Target, Domain, Addr, SnmpInform, Data, State) ->
     ?vtrace("handle_inform -> entry with"
 	    "~n   UserId: ~p"
 	    "~n   Mod:    ~p", [UserId, Mod]),
     F = fun() ->
 		do_handle_inform(
 		  UserId, Mod, Ref, 
-		  RegType, Target, Domain, Address, SnmpInform, 
+		  RegType, Target, Domain, Addr, SnmpInform,
 		  Data, State)
 	end,
     handle_callback(F),
@@ -2520,7 +2520,7 @@ handle_inform(
 
 do_handle_inform(
   UserId, Mod, Ref, 
-  RegType, Target, Domain, Address, SnmpInform, Data, State) ->
+  RegType, Target, Domain, Addr, SnmpInform, Data, State) ->
     ?vdebug("do_handle_inform -> entry with"
 	    "~n   UserId: ~p", [UserId]),
     {HandleInform, CallbackArgs} = 
@@ -2529,7 +2529,7 @@ do_handle_inform(
 		{fun() -> Mod:handle_inform(Target, SnmpInform, Data) end, 
 		 [Target, SnmpInform, Data]};
 	    addr_port ->
-		{Ip, Port} = Address,
+		{Ip, Port} = Addr,
 		{fun() -> Mod:handle_inform(Ip, Port, SnmpInform, Data) end, 
 		 [Ip, Port, SnmpInform, Data]}
 	end,
@@ -2542,11 +2542,11 @@ do_handle_inform(
 			"~n   Config:  ~p", [UserId2, Config]),
 		%% The only user which would do this is the
 		%% default user
-		Target2 = mk_target_name(Domain, Address, Config),
+		Target2 = mk_target_name(Domain, Addr, Config),
 		Config2 =
 		    [{reg_type, target_name} |
 		     ensure_present(
-		       [{tdomain, Domain}, {taddress, Address}], Config)], 
+		       [{tdomain, Domain}, {taddress, Addr}], Config)],
 		case snmpm_config:register_agent(UserId2, Target2, Config2) of
 		    ok ->
 			reply;
@@ -2554,7 +2554,7 @@ do_handle_inform(
 			error_msg("failed registering agent "
 				  "handling inform "
 				  "~p <~p,~p>: ~n~w", 
-				  [Target2, Domain, Address, Reason]),
+				  [Target2, Domain, Addr, Reason]),
 			reply
 		end;
 
@@ -2573,21 +2573,21 @@ do_handle_inform(
 			error_msg("failed registering agent "
 				  "handling inform "
 				  "~p <~p,~p>: ~n~w", 
-				  [Target2, Domain, Address, Reason]),
+				  [Target2, Domain, Addr, Reason]),
 			reply
 		end;
 
 	    unregister ->
 		?vtrace("do_handle_inform -> unregister", []),
 		case snmpm_config:unregister_agent(
-		       UserId, Domain, Address) of
+		       UserId, Domain, Addr) of
 		    ok ->
 			reply;
 		    {error, Reason} ->
 			error_msg("failed unregistering agent "
 				  "handling inform "
 				  "<~p,~p>: ~n~w", 
-				  [Domain, Address, Reason]),
+				  [Domain, Addr, Reason]),
 			reply
 		end;	    
 
@@ -2610,34 +2610,34 @@ do_handle_inform(
 		reply
 
 	end,
-    handle_inform_response(Rep, Ref, Domain, Address, State),
+    handle_inform_response(Rep, Ref, Domain, Addr, State),
     ok.
 
 
-handle_inform_response(_, ignore, _Domain, _Address, _State) ->
+handle_inform_response(_, ignore, _Domain, _Addr, _State) ->
     ignore;
-handle_inform_response(no_reply, _Ref, _Domain, _Address, _State) ->
+handle_inform_response(no_reply, _Ref, _Domain, _Addr, _State) ->
     no_reply;
 handle_inform_response(
-  _, Ref, Domain, Address, 
+  _, Ref, Domain, Addr,
   #state{net_if = Pid, net_if_mod = Mod}) ->
     ?vdebug("handle_inform -> response", []),
-    (catch Mod:inform_response(Pid, Ref, Domain, Address)).
+    (catch Mod:inform_response(Pid, Ref, Domain, Addr)).
     
 handle_snmp_report(
   #pdu{error_status = EStatus,
        error_index  = EIndex,
        varbinds     = Varbinds} = Pdu,
-  Domain, Address, State) ->
+  Domain, Addr, State) ->
 
     ?vtrace("handle_snmp_report -> entry with~n"
 	    "   Domain:  ~p~n"
-	    "   Address: ~p~n"
-	    "   Pdu:     ~p", [Domain, Address, Pdu]),
+	    "   Addr:    ~p~n"
+	    "   Pdu:     ~p", [Domain, Addr, Pdu]),
 
     Varbinds2  = fix_vbs_BITS(Varbinds), 
     SnmpReport = {EStatus, EIndex, Varbinds2},
-    case snmpm_config:get_agent_user_info(Domain, Address) of
+    case snmpm_config:get_agent_user_info(Domain, Addr) of
  	{ok, UserId, Target, RegType} ->
  	    case snmpm_config:user_info(UserId) of
  		{ok, Mod, Data} ->
@@ -2647,7 +2647,7 @@ handle_snmp_report(
  			    "~n   ~p"
  			    "~n   ~p", [UserId, Mod, Target, SnmpReport]),
  		    handle_report(UserId, Mod, 
-				  RegType, Target, Domain, Address, 
+				  RegType, Target, Domain, Addr,
 				  SnmpReport, Data, State);
  		Error1 ->
 		    %% User no longer exists, unregister agent
@@ -2660,7 +2660,7 @@ handle_snmp_report(
 			    case snmpm_config:user_info() of
 				{ok, DefUserId, DefMod, DefData} ->
 				    handle_agent(DefUserId, DefMod, 
-						 Domain, Address, 
+						 Domain, Addr,
 						 report, ignore, 
 						 SnmpReport, DefData, State);
 				
@@ -2668,7 +2668,7 @@ handle_snmp_report(
 				    error_msg("failed retreiving the default "
 					      "user info handling report from "
 					      "~p <~p,~p>: ~n~w~n~w",
-					      [Target, Domain, Address, 
+					      [Target, Domain, Addr,
 					       Error2, Pdu])
 			    end;
 			Error3 ->
@@ -2679,7 +2679,7 @@ handle_snmp_report(
 					"user ~p, handling report: "
 					"~n   Error:  ~w"
 					"~n   Report: ~w",
-					[Target, Domain, Address, UserId, 
+					[Target, Domain, Addr, UserId,
 					 Error3, Pdu])
 		    end
 	    end;
@@ -2687,25 +2687,25 @@ handle_snmp_report(
 	Error4 ->
 	    %% Unknown agent, pass it on to the default user
 	    ?vlog("[report] failed retreiving user id for agent <~p,~p>: "
-		  "~n   ~p", [Domain, Address, Error4]),
+		  "~n   ~p", [Domain, Addr, Error4]),
 	    case snmpm_config:user_info() of
 		{ok, DefUserId, DefMod, DefData} ->
 		    handle_agent(DefUserId, DefMod, 
-				 Domain, Address, 
+				 Domain, Addr,
 				 report, ignore, 
 				 SnmpReport, DefData, State);
 		Error5 ->
 		    error_msg("failed retreiving "
 			      "the default user info handling report from "
 			      "<~p,~p>: ~n~w~n~w",
-			      [Domain, Address, Error5, Pdu])
+			      [Domain, Addr, Error5, Pdu])
 	    end
     end,
     ok;
 
-handle_snmp_report(CrapReport, Domain, Address, _State) ->
+handle_snmp_report(CrapReport, Domain, Addr, _State) ->
     error_msg("received crap (snmp) report from ~w:~w =>"
-	      "~p", [Domain, Address, CrapReport]),
+	      "~p", [Domain, Addr, CrapReport]),
     ok.
 
 %% This could be from a failed get-request, so we might have a user
@@ -2719,14 +2719,14 @@ handle_snmp_report(
        error_index  = EIndex,
        varbinds     = Varbinds} = Pdu,
   {ReportReason, Info} = Rep,
-  Domain, Address, State) when is_integer(ReqId) ->
+  Domain, Addr, State) when is_integer(ReqId) ->
 
     ?vtrace("handle_snmp_report -> entry with~n"
 	    "   Domain:  ~p~n"
-	    "   Address: ~p~n"
+	    "   Addr:    ~p~n"
 	    "   ReqId:   ~p~n"
 	    "   Rep:     ~p~n"
-	    "   Pdu:     ~p", [Domain, Address, ReqId, Rep, Pdu]),
+	    "   Pdu:     ~p", [Domain, Addr, ReqId, Rep, Pdu]),
 
     Varbinds2 = fix_vbs_BITS(Varbinds), 
     SnmpReport = {EStatus, EIndex, Varbinds2},
@@ -2771,7 +2771,7 @@ handle_snmp_report(
 	    %% Either not a sync request or no such request. Either
 	    %% way, this is error info, so handle it as such.
 
-	    case snmpm_config:get_agent_user_id(Domain, Address) of
+	    case snmpm_config:get_agent_user_id(Domain, Addr) of
 		{ok, UserId} ->
 		    case snmpm_config:user_info(UserId) of
 			{ok, Mod, Data} ->
@@ -2795,7 +2795,7 @@ handle_snmp_report(
 					      "default user "
 					      "info handling report from "
 					      "<~p,~p>: ~n~w~n~w~n~w",
-					      [Domain, Address, Error, 
+					      [Domain, Addr, Error,
 					       ReqId, Reason])
 			    end
 		    end;
@@ -2803,7 +2803,7 @@ handle_snmp_report(
 		    %% Unknown agent, pass it on to the default user
 		    ?vlog("[report] failed retreiving user id for "
 			  "agent <~p,~p>: "
-			  "~n   ~p", [Domain, Address, Error]),
+			  "~n   ~p", [Domain, Addr, Error]),
 		    case snmpm_config:user_info() of
 			{ok, DefUserId, DefMod, DefData} ->
 			    handle_error(DefUserId, DefMod, Reason, ReqId, 
@@ -2813,35 +2813,35 @@ handle_snmp_report(
 				      "the default user info handling "
 				      "report from "
 				      "<~p,~p>: ~n~w~n~w~n~w",
-				      [Domain, Address, Error, ReqId, Reason])
+				      [Domain, Addr, Error, ReqId, Reason])
 		    end
 	    end
     end,
     ok;
 
-handle_snmp_report(CrapReqId, CrapReport, CrapInfo, Domain, Address, _State) ->
+handle_snmp_report(CrapReqId, CrapReport, CrapInfo, Domain, Addr, _State) ->
     error_msg(
       "received crap (snmp) report from ~w:~w =>"
       "~n~p~n~p~n~p",
-      [Domain, Address, CrapReqId, CrapReport, CrapInfo]),
+      [Domain, Addr, CrapReqId, CrapReport, CrapInfo]),
     ok.
    
 
-handle_report(UserId, Mod, RegType, Target, Domain, Address, 
+handle_report(UserId, Mod, RegType, Target, Domain, Addr,
 	      SnmpReport, Data, State) ->
     ?vtrace("handle_report -> entry with"
 	    "~n   UserId: ~p"
 	    "~n   Mod:    ~p", [UserId, Mod]),
     F = fun() ->
 		do_handle_report(
-		  UserId, Mod, RegType, Target, Domain, Address, 
+		  UserId, Mod, RegType, Target, Domain, Addr,
 		  SnmpReport, Data, State)
 	end,
     handle_callback(F),
     ok.
 
 do_handle_report(
-  UserId, Mod, RegType, Target, Domain, Address,
+  UserId, Mod, RegType, Target, Domain, Addr,
   SnmpReport, Data, _State) ->
     ?vdebug("do_handle_report -> entry with"
 	    "~n   UserId: ~p", [UserId]),
@@ -2851,7 +2851,7 @@ do_handle_report(
 		{fun() -> Mod:handle_report(Target, SnmpReport, Data) end, 
 		 [Target, SnmpReport, Data]};
 	    addr_port ->
-		{Ip, Port} = Address,
+		{Ip, Port} = Addr,
 		{fun() -> Mod:handle_report(Ip, Port, SnmpReport, Data) end,
 		 [Ip, Port, SnmpReport, Data]}
 	end,
@@ -2863,10 +2863,10 @@ do_handle_report(
 		    "~n   Config:  ~p", [UserId2, Config]),
 	    %% The only user which would do this is the
 	    %% default user
-	    Target2 = mk_target_name(Domain, Address, Config),
+	    Target2 = mk_target_name(Domain, Addr, Config),
 	    Config2 =
 		[{reg_type, target_name},
-		 {tdomain, Domain}, {taddress, Address} | Config],
+		 {tdomain, Domain}, {taddress, Addr} | Config],
 	    case snmpm_config:register_agent(UserId2, Target2, Config2) of
 		ok ->
 		    ok;
@@ -2874,7 +2874,7 @@ do_handle_report(
 		    error_msg("failed registering agent "
 			      "handling report "
 			      "<~p,~p>: ~n~w",
-			      [Domain, Address, Reason]),
+			      [Domain, Addr, Reason]),
 		    ok
 	    end;
 
@@ -2893,20 +2893,20 @@ do_handle_report(
 		    error_msg("failed registering agent "
 			      "handling report "
 			      "~p <~p,~p>: ~n~w", 
-			      [Target2, Domain, Address, Reason]),
+			      [Target2, Domain, Addr, Reason]),
 		    reply
 	    end;
 
 	unregister ->
 	    ?vtrace("do_handle_trap -> unregister", []),
-	    case snmpm_config:unregister_agent(UserId, Domain, Address) of
+	    case snmpm_config:unregister_agent(UserId, Domain, Addr) of
 		ok ->
 		    ok;
 		{error, Reason} ->
 		    error_msg("failed unregistering agent "
 			      "handling report "
 			      "<~p,~p>: ~n~w", 
-			      [Domain, Address, Reason]),
+			      [Domain, Addr, Reason]),
 		    ok
 	    end;	    
 
@@ -3044,7 +3044,7 @@ do_gc(Key, Now) ->
 %% 
 %%----------------------------------------------------------------------
 
-send_get_request(Oids, Vsn, MsgData, Domain, Address, ExtraInfo, 
+send_get_request(Oids, Vsn, MsgData, Domain, Addr, ExtraInfo,
 		 #state{net_if     = NetIf, 
 			net_if_mod = Mod,
 			mini_mib   = MiniMIB}) ->
@@ -3056,37 +3056,37 @@ send_get_request(Oids, Vsn, MsgData, Domain, Address, ExtraInfo,
 	    "   Vsn:     ~p~n"
 	    "   MsgData: ~p~n"
 	    "   Domain:  ~p~n"
-	    "   Address: ~p~n", 
-	    [Mod, NetIf, Pdu, Vsn, MsgData, Domain, Address]),
+	    "   Addr:    ~p",
+	    [Mod, NetIf, Pdu, Vsn, MsgData, Domain, Addr]),
     Res = (catch Mod:send_pdu(NetIf, Pdu, Vsn, MsgData, 
-			      Domain, Address, ExtraInfo)),
+			      Domain, Addr, ExtraInfo)),
     ?vtrace("send_get_request -> send result:"
 	    "~n   ~p", [Res]),
     Pdu#pdu.request_id.
 
-send_get_next_request(Oids, Vsn, MsgData, Domain, Address, ExtraInfo, 
+send_get_next_request(Oids, Vsn, MsgData, Domain, Addr, ExtraInfo,
 		      #state{mini_mib   = MiniMIB, 
 			     net_if     = NetIf, 
 			     net_if_mod = Mod}) ->
     Pdu = make_pdu(get_next, Oids, MiniMIB),
-    Mod:send_pdu(NetIf, Pdu, Vsn, MsgData, Domain, Address, ExtraInfo),
+    Mod:send_pdu(NetIf, Pdu, Vsn, MsgData, Domain, Addr, ExtraInfo),
     Pdu#pdu.request_id.
 
-send_get_bulk_request(Oids, Vsn, MsgData, Domain, Address, 
+send_get_bulk_request(Oids, Vsn, MsgData, Domain, Addr,
 		      NonRep, MaxRep, ExtraInfo, 
 		      #state{mini_mib   = MiniMIB, 
 			     net_if     = NetIf, 
 			     net_if_mod = Mod}) ->
     Pdu = make_pdu(bulk, {NonRep, MaxRep, Oids}, MiniMIB),
-    Mod:send_pdu(NetIf, Pdu, Vsn, MsgData, Domain, Address, ExtraInfo),
+    Mod:send_pdu(NetIf, Pdu, Vsn, MsgData, Domain, Addr, ExtraInfo),
     Pdu#pdu.request_id.
 
-send_set_request(VarsAndVals, Vsn, MsgData, Domain, Address, ExtraInfo, 
+send_set_request(VarsAndVals, Vsn, MsgData, Domain, Addr, ExtraInfo,
 		 #state{mini_mib   = MiniMIB,
 			net_if     = NetIf, 
 			net_if_mod = Mod}) ->
     Pdu = make_pdu(set, VarsAndVals, MiniMIB),
-    Mod:send_pdu(NetIf, Pdu, Vsn, MsgData, Domain, Address, ExtraInfo),
+    Mod:send_pdu(NetIf, Pdu, Vsn, MsgData, Domain, Addr, ExtraInfo),
     Pdu#pdu.request_id.
 
 %% send_discovery(Vsn, MsgData, Addr, Port, ExtraInfo, 
@@ -3322,9 +3322,9 @@ agent_data(TargetName, SendOpts) ->
 			{Comm, SecModel}
 		end,
 	    Domain  = agent_data_item(tdomain,  TargetName),
-	    Address = agent_data_item(taddress, TargetName),
+	    Addr    = agent_data_item(taddress, TargetName),
 	    RegType = agent_data_item(reg_type, TargetName),
-	    {ok, RegType, Domain, Address, version(Version), MsgData};
+	    {ok, RegType, Domain, Addr, version(Version), MsgData};
 	Error ->
 	    Error
     end.
@@ -3471,8 +3471,8 @@ t() ->
     {A,B,C} = erlang:now(),
     A*1000000000+B*1000+(C div 1000).
 
-mk_target_name(Domain, Address, Config) ->
-    snmpm_config:mk_target_name(Domain, Address, Config).
+mk_target_name(Domain, Addr, Config) ->
+    snmpm_config:mk_target_name(Domain, Addr, Config).
 
 default_agent_config() ->
     case snmpm_config:agent_info() of
diff --git a/lib/snmp/src/misc/snmp_conf.erl b/lib/snmp/src/misc/snmp_conf.erl
index ea4686c91a..82cbf42e35 100644
--- a/lib/snmp/src/misc/snmp_conf.erl
+++ b/lib/snmp/src/misc/snmp_conf.erl
@@ -508,6 +508,8 @@ tdomain_to_family(transportDomainUdpIpv4) ->
     inet;
 tdomain_to_family(transportDomainUdpIpv6) ->
     inet6;
+tdomain_to_family(?snmpUDPDomain) ->
+    inet;
 tdomain_to_family(?transportDomainUdpIpv4) ->
     inet;
 tdomain_to_family(?transportDomainUdpIpv6) ->
diff --git a/lib/snmp/src/misc/snmp_config.erl b/lib/snmp/src/misc/snmp_config.erl
index 68d4aee97d..38e248c326 100644
--- a/lib/snmp/src/misc/snmp_config.erl
+++ b/lib/snmp/src/misc/snmp_config.erl
@@ -2107,10 +2107,19 @@ write_manager_snmp_conf(Dir, IP, Port, MMS, EngineID) ->
 "%% {max_message_size, 484}.\n"
 "%%\n\n",
     Hdr = header() ++ Comment,
-    Conf = [{port,             Port}, 
-            {address,          IP}, 
-	    {engine_id,        EngineID}, 
-	    {max_message_size, MMS}], 
+    Conf =
+	case Port of
+	    {Addr, P} when is_integer(P), is_atom(IP) ->
+		Domain = IP,
+		[{domain,  Domain},
+		 {port,    P},
+		 {address, Addr}];
+	    _ when is_integer(Port) ->
+		[{port,    Port},
+		 {address, IP}]
+	end ++
+	[{engine_id,        EngineID},
+	 {max_message_size, MMS}],
     write_manager_config(Dir, Hdr, Conf).
 
 write_manager_config(Dir, Hdr, Conf) ->
diff --git a/lib/snmp/test/snmp_manager_test.erl b/lib/snmp/test/snmp_manager_test.erl
index 3e152e6ad4..685c4dc9be 100644
--- a/lib/snmp/test/snmp_manager_test.erl
+++ b/lib/snmp/test/snmp_manager_test.erl
@@ -244,6 +244,7 @@ init_per_testcase2(Case, Config) ->
     Family = proplists:get_value(ipfamily, Config, inet),
 
     Conf = [{watchdog,                  ?WD_START(?MINS(5))},
+	    {ipfamily,                  Family},
 	    {ip,                        ?LOCALHOST(Family)},
 	    {case_top_dir,              CaseTopDir},
 	    {agent_dir,                 AgTopDir},
@@ -413,7 +414,8 @@ all() ->
      {group, event_tests_mt}, 
      discovery, 
      {group, tickets}, 
-     {group, ipv6}
+     {group, ipv6},
+     {group, ipv6_mt}
     ].
 
 groups() -> 
@@ -549,13 +551,18 @@ groups() ->
        otp8395_1
       ]
      },
-     {ipv6, [], 
+     {ipv6, [],
+      [
+       simple_sync_get3,
+       inform1
+      ]
+     },
+     {ipv6_mt, [],
       [
        simple_sync_get3,
        inform1
       ]
      }
-     
 
     ].
 
@@ -567,6 +574,8 @@ init_per_group(event_tests_mt = GroupName, Config) ->
     snmp_test_lib:init_group_top_dir(
       GroupName, 
       [{manager_net_if_module, snmpm_net_if_mt} | Config]);
+init_per_group(ipv6_mt, Config) ->
+    init_per_group(ipv6, [{manager_net_if_module, snmpm_net_if_mt} | Config]);
 init_per_group(ipv6 = GroupName, Config) -> 
     case ct:require(ipv6_hosts) of
 	ok ->
@@ -5767,12 +5776,24 @@ fin_mgr_user(Conf) ->
 init_mgr_user_data1(Conf) ->
     Node = ?config(manager_node, Conf),
     TargetName = ?config(manager_agent_target_name, Conf),
-    Addr       = ?config(ip, Conf),
+    IpFamily   = ?config(ipfamily, Conf),
+    Ip         = ?config(ip, Conf),
     Port       = ?AGENT_PORT,
-    ?line ok = mgr_user_register_agent(Node, TargetName, 
-				       [{address,   Addr},
-					{port,      Port},
-					{engine_id, "agentEngine"}]),
+    ?line ok =
+	case IpFamily of
+	    inet ->
+		mgr_user_register_agent(
+		  Node, TargetName,
+		  [{address,   Ip},
+		   {port,      Port},
+		   {engine_id, "agentEngine"}]);
+	    inet6 ->
+		mgr_user_register_agent(
+		  Node, TargetName,
+		  [{tdomain,   transportDomainUdpIpv6},
+		   {taddress,  {Ip, Port}},
+		   {engine_id, "agentEngine"}])
+	end,
     _Agents = mgr_user_which_own_agents(Node),
     ?DBG("Own agents: ~p", [_Agents]),
 
@@ -5797,12 +5818,24 @@ init_mgr_user_data2(Conf) ->
 	 "~n   Conf: ~p", [Conf]),
     Node       = ?config(manager_node, Conf),
     TargetName = ?config(manager_agent_target_name, Conf),
-    Addr       = ?config(ip, Conf),
+    IpFamily   = ?config(ipfamily, Conf),
+    Ip         = ?config(ip, Conf),
     Port       = ?AGENT_PORT,
-    ?line ok = mgr_user_register_agent(Node, TargetName, 
-				       [{address,   Addr}, 
-					{port,      Port},
-					{engine_id, "agentEngine"}]),
+    ?line ok =
+	case IpFamily of
+	    inet ->
+		mgr_user_register_agent(
+		  Node, TargetName,
+		  [{address,   Ip},
+		   {port,      Port},
+		   {engine_id, "agentEngine"}]);
+	    inet6 ->
+		mgr_user_register_agent(
+		  Node, TargetName,
+		  [{tdomain,   transportDomainUdpIpv6},
+		   {taddress,  {Ip, Port}},
+		   {engine_id, "agentEngine"}])
+	end,
     _Agents = mgr_user_which_own_agents(Node),
     ?DBG("Own agents: ~p", [_Agents]),
 
@@ -6199,10 +6232,16 @@ await_stopped(Node, N) ->
 
 write_manager_config(Config) ->
     Dir  = ?config(manager_conf_dir, Config),
-    Ip   = ?config(ip, Config),
-    Addr = tuple_to_list(Ip),
-    snmp_config:write_manager_snmp_files(Dir, Addr, ?MGR_PORT, 
-					 ?MGR_MMS, ?MGR_ENGINE_ID, [], [], []).
+    Ip = tuple_to_list(?config(ip, Config)),
+    {Addr, Port} =
+	case ?config(ipfamily, Config) of
+	    inet ->
+		{Ip, ?MGR_PORT};
+	    inet6 ->
+		{transportDomainUdpIpv6, {Ip, ?MGR_PORT}}
+	end,
+    snmp_config:write_manager_snmp_files(
+      Dir, Addr, Port, ?MGR_MMS, ?MGR_ENGINE_ID, [], [], []).
 
 write_manager_conf(Dir) ->
     Port = "5000",
@@ -6231,25 +6270,27 @@ write_manager_conf(Dir, Str) ->
 
 write_agent_config(Vsns, Conf) ->
     Dir = ?config(agent_conf_dir, Conf),
-    Ip  = ?config(ip, Conf),
-    ?line Addr = tuple_to_list(Ip),
-    ?line ok = write_agent_config_files(Dir, Vsns, Addr),
+    ?line Ip  = tuple_to_list(?config(ip, Conf)),
+    ?line Domain =
+	case ?config(ipfamily, Conf) of
+	    inet ->
+		snmpUDPDomain;
+	    inet6 ->
+		transportDomainUdpIpv6
+	end,
+    ?line ok = write_agent_config_files(Dir, Vsns, Domain, Ip),
     ?line ok = update_agent_usm(Vsns, Dir),
     ?line ok = update_agent_community(Vsns, Dir),
     ?line ok = update_agent_vacm(Vsns, Dir),
-    ?line ok = write_agent_target_addr_conf(Dir, Addr, Vsns),
+    ?line ok = write_agent_target_addr_conf(Dir, Domain, Ip, Vsns),
     ?line ok = write_agent_target_params_conf(Dir, Vsns),
     ?line ok = write_agent_notify_conf(Dir),
     ok.
     
-write_agent_config_files(Dir, Vsns, Addr) ->
-    snmp_config:write_agent_snmp_files(Dir, Vsns, 
-				       Addr, ?MGR_PORT, 
-				       Addr, ?AGENT_PORT, 
-				       "mgr-test", "trap", 
-				       none, "", 
-				       ?AGENT_ENGINE_ID, 
-				       ?AGENT_MMS).
+write_agent_config_files(Dir, Vsns, Domain, Ip) ->
+    snmp_config:write_agent_snmp_files(
+      Dir, Vsns, Domain, {Ip, ?MGR_PORT}, {Ip, ?AGENT_PORT}, "mgr-test",
+      trap, none, "", ?AGENT_ENGINE_ID, ?AGENT_MMS).
 
 update_agent_usm(Vsns, Dir) ->
     case lists:member(v3, Vsns) of
@@ -6317,9 +6358,9 @@ update_agent_vacm(_Vsns, Dir) ->
              excluded, null}],
     snmp_config:update_agent_vacm_config(Dir, Conf).
 
-write_agent_target_addr_conf(Dir, Addr, Vsns) -> 
-    snmp_config:write_agent_snmp_target_addr_conf(Dir, Addr, ?MGR_PORT, 
-						  300, 3, Vsns).
+write_agent_target_addr_conf(Dir, Domain, Ip, Vsns) ->
+    snmp_config:write_agent_snmp_target_addr_conf(
+      Dir, Domain, {Ip, ?MGR_PORT}, 300, 3, Vsns).
 
 write_agent_target_params_conf(Dir, Vsns) -> 
     F = fun(v1) -> {"target_v1", v1,  v1,  "all-rights", noAuthNoPriv};