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<A NAME="1"><!-- Empty --></A>
<H2>1 SNMP Release Notes history
</H2>
<A NAME="1.1"><!-- Empty --></A>
<H3>1.1 SNMP Development Toolkit 4.3</H3>

<P>Version 4.3 supports code replacement in runtime from/to
version 4.2.<A NAME="1.1.1"><!-- Empty --></A>
<H4>1.1.1 Improvements and new features</H4>

<P>
<UL>

<LI>
         [manager] Improved asynch error reporting.<BR>
 
         Own Id: OTP-5637<BR>

         Aux Id: Seq 9970<BR>

        
</LI>


<LI>
         Added support for The Advanced Encryption Standard (AES) 
Cipher Algorithm in the SNMP User-based Security Model 
(RFC 3826). Both agent and manager. 
<BR>
Martin Bjrklund<BR>
 
         Own Id: OTP-5490<BR>

        
</LI>


</UL>
<A NAME="1.1.2"><!-- Empty --></A>
<H4>1.1.2 Reported Fixed Bugs and Malfunctions</H4>

<P>
<UL>

<LI>
         [manager] Reset of USM-cache when unregister agent.<BR>
 
         Own Id: OTP-5636<BR>

         Aux Id: Seq 9970<BR>

        
</LI>


</UL>
<A NAME="1.1.3"><!-- Empty --></A>
<H4>1.1.3 Incompatibilities</H4>

<P>-<A NAME="1.2"><!-- Empty --></A>
<H3>1.2 SNMP Development Toolkit 4.2</H3>

<P>Version 4.2 supports code replacement in runtime from/to
version 4.1.5.<A NAME="1.2.1"><!-- Empty --></A>
<H4>1.2.1 Improvements and new features</H4>

<P>
<UL>

<LI>
         [manager] Added another get, get-next and set function
         with another argument, <CODE>ExtraInfo</CODE> (see 
         <A HREF="snmpm.html#g">synchroneous get</A>,
         <A HREF="snmpm.html#ag">asynchroneous get</A>,
         <A HREF="snmpm.html#s">synchroneous set</A>,
         <A HREF="snmpm.html#as">asynchroneous set</A>,
         <A HREF="snmpm.html#gn">synchroneous get-next</A> and
         <A HREF="snmpm.html#agn">asynchroneous get-next</A>).
         This argument is passed on to the net-if process. The net-if 
         process included in this application makes no use of this 
         info, but other implementations might.<BR>
 
         Own Id: OTP-5574<BR>

         Aux Id: Seq 9850<BR>

        
</LI>


<LI>
         [manager] <CODE>report</CODE> message with incorrect security info
         (e.g. securtyModel and/or securityLevel) was ignored (dropped, 
         except for incrementing the proper error counter) even if all 
         other info was correct. This has been changed so that in this
         situation, the user will be informed, either via the
         return value from a synchronous call (see 
         <A HREF="snmpm.html#g">synchroneous get</A>,
         <A HREF="snmpm.html#s">synchroneous set</A> and 
         <A HREF="snmpm.html#gn">synchroneous get-next</A>) 
         or via a call to the handle_error callback function.<BR>
 
         Own Id: OTP-5578<BR>

         Aux Id: Seq 9850<BR>

        
</LI>


<LI>
         [manager] Added a 
         <A HREF="snmpm.html#unregister_usm_user">unregister_usm_user</A> function.
         <BR>
 
         Own Id: OTP-5580<BR>

         Aux Id: Seq 9850<BR>

        
</LI>


<LI>
         [agent] Added new functions to get lists of all tables, 
         <A HREF="snmpa.html#which_tables">which_tables</A>, 
and variables, 
         <A HREF="snmpa.html#which_variables">which_variables</A>, 
known to the agent.<BR>
 
         Own Id: OTP-5590<BR>

        
</LI>


</UL>
<A NAME="1.2.2"><!-- Empty --></A>
<H4>1.2.2 Reported Fixed Bugs and Malfunctions</H4>

<P>
<UL>

<LI>
         [manager] Incorrect SHA-key length check when 
         updating usm-user info (should have been 20 but 
         was 16).<BR>
 
         Own Id: OTP-5579<BR>

         Aux Id: Seq 9850<BR>

        
</LI>


<LI>
         [compiler] Incorrect error report when the name of the 
field and object is the same.
<BR>
Kostis Sagonas<BR>
 
Own Id: OTP-5591 (dialyzer)<BR>
         
        
</LI>


<LI>
         [manager] Arguments Port (third argument) and CtxName 
(fourth argument) where swapped in
function <A HREF="snmpm.html#g">snmpm:g/5</A> 
when forwarding call.
<BR>
Kostis Sagonas<BR>
 
         Own Id: OTP-5592 (dialyzer)<BR>

        
</LI>


</UL>
<A NAME="1.2.3"><!-- Empty --></A>
<H4>1.2.3 Incompatibilities</H4>

<P>
<UL>

<LI>
         [manager] The <CODE>snmpm_network_interface</CODE> behaviour has changed. 
         One more argument (ExtraInfo) was added to the 
         function send_pdu (see 
         <A HREF="snmpm_network_interface.html#send_pdu">send_pdu</A>).<BR>

         Own Id: OTP-5574<BR>

         Aux Id: Seq 9850<BR>

        
</LI>


</UL>
<A NAME="1.3"><!-- Empty --></A>
<H3>1.3 SNMP Development Toolkit 4.1.5</H3>

<P>Version 4.1.5 supports code replacement in runtime from/to
version 4.1.4, 4.1.3, 4.1.2, 4.1.1 and 4.1.<A NAME="1.3.1"><!-- Empty --></A>
<H4>1.3.1 Improvements and new features</H4>

<P>
<UL>

<LI>
         [agent] Add mapping of notification oid to aliasname.
         <BR>
Martin Bjrklund<BR>

         Own Id: OTP-5562<BR>

        
</LI>


<LI>
         [manager] Late (async) reply incorrectly delivered to
         user via handle_pdu instead of handle_error.<BR>
 
         Own Id: OTP-5506<BR>

         Aux Id: Seq 9804<BR>

        
</LI>


</UL>
<A NAME="1.3.2"><!-- Empty --></A>
<H4>1.3.2 Reported Fixed Bugs and Malfunctions</H4>

<P>
<UL>

<LI>
         [manager] Security level handled incorrectly.<BR>
 
         Own Id: OTP-5564<BR>

         Aux Id: Seq 9850<BR>

        
</LI>


<LI>
         [manager] (v3) Encryption/decryption failure.<BR>
 
         Own Id: OTP-5560<BR>

         Aux Id: Seq 9850<BR>

        
</LI>


<LI>
         [manager] Cannot handle version-1 traps.<BR>
 
         Own Id: OTP-5557<BR>

         Aux Id: Seq 9850<BR>

        
</LI>


<LI>
         [manager] Set-request without specifying the variable 
         type failed. The type of the oid had to be found in the 
         loaded MIB. This lookup was erroneous.<BR>
 
         Own Id: OTP-5556<BR>

         Aux Id: Seq 9850<BR>

        
</LI>


<LI>
         [agent] Error's reported by the SecModule (v3) when 
         generating outgoing message was not handled correctly 
         in message processing dispatcher module.<BR>
 
         Own Id: OTP-5550<BR>

        
</LI>


<LI>
         [manager] Error's reported by the SecModule (v3) when 
         generating outgoing message was not handled correctly 
         in message processing dispatcher module. And also when 
         encryption failed, the real error was masked into another 
         error.<BR>
 
         Own Id: OTP-5548<BR>

         Aux Id: Seq 9804<BR>

        
</LI>


<LI>
         [agent] Failure to stop the snmp application when
         started with the old config type.<BR>
 
         Own Id: OTP-5547<BR>

         Aux Id: Seq 9842<BR>

        
</LI>


<LI>
         [manager] User unregistration after reboot causes process crash
         (snmpm_server).<BR>
 
         Own Id: OTP-5539<BR>

        
</LI>


<LI>
         [manager] Security engine id lookup errors.<BR>
 
         Own Id: OTP-5508<BR>

         Aux Id: Seq 9804<BR>

        
</LI>


<LI>
         [manager] Registering of USM users erroneous.<BR>

         Own Id: OTP-5505<BR>

         Aux Id: Seq 9804<BR>

        
</LI>


</UL>
<A NAME="1.3.3"><!-- Empty --></A>
<H4>1.3.3 Incompatibilities</H4>

<P>-<A NAME="1.4"><!-- Empty --></A>
<H3>1.4 SNMP Development Toolkit 4.1.4</H3>

<P>Version 4.1.4 supports code replacement in runtime from/to
version 4.1.3, 4.1.2, 4.1.1 and 4.1.<A NAME="1.4.1"><!-- Empty --></A>
<H4>1.4.1 Improvements and new features</H4>

<P>-<A NAME="1.4.2"><!-- Empty --></A>
<H4>1.4.2 Reported Fixed Bugs and Malfunctions</H4>

<P>
<UL>

<LI>
         Fixed a perl related problem in the mibs Makefile.
<BR>
Geoff White<BR>

         Own Id: OTP-5491
        <BR>

</LI>


<LI>
         [manager] Failed to register usm users. Both using the
         usm config file 
         (<A HREF="snmp_manager_config_files.html#usm_user">usm.conf</A>) 
         and the API functions
         <A HREF="snmpm.html#register_usm_user">         register_usm_user</A><BR>

         Own Id: OTP-5499
         <BR>
Aux Id: Seq 9804
        <BR>

</LI>


</UL>
<A NAME="1.4.3"><!-- Empty --></A>
<H4>1.4.3 Incompatibilities</H4>

<P>-<A NAME="1.5"><!-- Empty --></A>
<H3>1.5 SNMP Development Toolkit 4.1.3</H3>

<P>Version 4.1.3 supports code replacement in runtime from/to
version 4.1.2, 4.1.1 and 4.1.<A NAME="1.5.1"><!-- Empty --></A>
<H4>1.5.1 Improvements and new features</H4>

<P>
<UL>

<LI>
         Added utility functions to update agent and manager
         config files.<BR>
 
         Own Id: OTP-5468
        <BR>

</LI>


</UL>
<A NAME="1.5.2"><!-- Empty --></A>
<H4>1.5.2 Reported Fixed Bugs and Malfunctions</H4>

<P>
<UL>

<LI>
         [agent] Error replies was composed with invalid OIDs for the
         following error counters:
         <STRONG>usmStatsWrongDigests</STRONG> (RFC 2574, chap 3.2, point 6),
         <STRONG>usmStatsUnsupportedSecLevels</STRONG> (point 5) and
         <STRONG>usmStatsDecryptionErrors</STRONG> (point 8a).<BR>

         Own Id: OTP-5464
         <BR>
Aux Id: Seq 9791
        <BR>

</LI>


<LI>
         [agent] Malformed Oid returned from a get_next operation as
         part of a get-bulk-request causes the agent to crash.<BR>

         Own Id: OTP-5465
         <BR>
Aux Id: Seq 9783, Seq 9793
        <BR>

</LI>


<LI>
         [agent] Missing catch on decode function call.
         <BR>
Kostis Sagonas
         <BR>
Own Id: OTP-5479
         <BR>
Dialyzer
        <BR>

</LI>


<LI>
         [manager] Invalid check for illegal options.
         <BR>
Kostis Sagonas
         <BR>
Own Id: OTP-5480
         <BR>
Dialyzer
        <BR>

</LI>


<LI>
         Faulty utility function for generation of agent 
         config file target_addr.conf.
         <BR>
Own Id: OTP-5482
        <BR>

</LI>


</UL>
<A NAME="1.5.3"><!-- Empty --></A>
<H4>1.5.3 Incompatibilities</H4>

<P>-<A NAME="1.6"><!-- Empty --></A>
<H3>1.6 SNMP Development Toolkit 4.1.2</H3>

<P>Version 4.1.2 supports code replacement in runtime from/to 
version 4.1.1 and 4.1.<A NAME="1.6.1"><!-- Empty --></A>
<H4>1.6.1 Improvements and new features</H4>

<P>
<UL>

<LI>
         Export utility functions to create agent and manager
         config files.<BR>
 
         Own Id: OTP-5390
        <BR>

</LI>


<LI>
         [agent] Documented instrumentation utility functions
         (e.g. <A HREF="snmpa.html#current_request_id">  current_request_id</A>).<BR>

         Own Id: OTP-5423
        <BR>

</LI>


</UL>
<A NAME="1.6.2"><!-- Empty --></A>
<H4>1.6.2 Reported Fixed Bugs and Malfunctions</H4>

<P>
<UL>

<LI>
         [manager] If the client crashes after having issued 
         an async request, the server will crash when trying to 
         perform cleanup. Supervision of the calling process issuing an
         async request has been removed. 
         <BR>
Own Id: OTP-5370
        <BR>

</LI>


<LI>
         Failure to convert an audit-trail-log to textfile when
         using the default log name. This applies to both the manager 
         and the agent. 
         <BR>
Own Id: OTP-5394
        <BR>

</LI>


<LI>
         [manager] Corrected the discovery handling of the manager.
         <BR>
Own Id: OTP-5414
        <BR>

</LI>


<LI>
         [manager] Statistic counter creation correction.
         <BR>
Own Id: OTP-5415
        <BR>

</LI>


<LI>
         [agent] When using the old style agent configuration (pre 4.0),
         it was not possible to specify a different error report
         module (the agent allways choose snmpa_error_logger).
         A similar problem existed for the config option 
         force_config_load, which allways reverted to false.
         <BR>
Own Id: OTP-5424
        <BR>

</LI>


<LI>
         [manager] The manager net_if process failed to properly handle
         the case bind_to option value true.<BR>

         Own Id: OTP-5431
        <BR>

</LI>


<LI>
         [agent] Various minor mnesia-related fixes.
         <BR>
Martin Bjrklund<BR>

         Own Id: OTP-5433
        <BR>

</LI>


<LI>
         [manager] Missing interface functions for loading and 
         unloading mibs into/from the manager: 
         <A HREF="snmpm.html#load_mib">load_mib</A>,
         <A HREF="snmpm.html#unload_mib">unload_mib</A>,
         <A HREF="snmpm.html#which_mibs">which_mibs</A>,
         <A HREF="snmpm.html#name_to_oid">name_to_oid</A> and 
         <A HREF="snmpm.html#oid_to_name">oid_to_name</A>.<BR>

         Own Id: OTP-5441
        <BR>

</LI>


<LI>
         Added utility functions to retrieve some system and application 
         info, see <A HREF="snmp.html#versions1">versions1</A> and 
         <A HREF="snmp.html#versions2">versions2</A>.<BR>

         Own Id: OTP-5445
        <BR>

</LI>


</UL>
<A NAME="1.6.3"><!-- Empty --></A>
<H4>1.6.3 Incompatibilities</H4>

<P>-<A NAME="1.7"><!-- Empty --></A>
<H3>1.7 SNMP Development Toolkit v4.1.1</H3>

<P>Version 4.1.1 supports code replacement in runtime from/to 
version 4.1.
<BR>
When performing a downgrade, make sure the verbosity of the
manager server process is silence, or else the process will crash
(due to a bug in version 4.0.4) and be restarted by it's 
supervisor.<A NAME="1.7.1"><!-- Empty --></A>
<H4>1.7.1 Improvements and new features</H4>

<P>-<A NAME="1.7.2"><!-- Empty --></A>
<H4>1.7.2 Reported Fixed Bugs and Malfunctions</H4>

<P>
<UL>

<LI>
         [manager] Manager synchronous get-function with timeout erroneous.
         Results in a function clause.
         <BR>
Own Id: OTP-5364
        <BR>

</LI>


<LI>
         Replace in decoder fun's of the &#34;old style&#34; fun format, 
         {atom(), atom()}, with a proper fun, e.g. &#34;fun the_function/1&#34;.
         <BR>
Own Id: OTP-5365
        <BR>

</LI>


<LI>
         [manager] Register agent using the config file 
         agents.conf failed due to incorrect function guard.
         <BR>
Own Id: OTP-5367
        <BR>

</LI>


</UL>
<A NAME="1.7.3"><!-- Empty --></A>
<H4>1.7.3 Incompatibilities</H4>

<P>-<A NAME="1.8"><!-- Empty --></A>
<H3>1.8 SNMP Development Toolkit v4.1.0</H3>

<P>Version 4.1.0 supports code replacement in runtime from/to 
version 4.0.4.
<BR>
When performing a downgrade, make sure the verbosity of the
manager server process is silence, or else the process will crash
(due to a bug in version 4.0.4) and be restarted by it's 
supervisor.<A NAME="1.8.1"><!-- Empty --></A>
<H4>1.8.1 Improvements and new features</H4>

<P>
<UL>

<LI>
         [manager] Added possibility to monitor a registered user.
         See <A HREF="snmpm.html#register_user_monitor">         snmpm:register_user_monitor</A>.<BR>

         Own Id: OTP-5286
        <BR>

</LI>


<LI>
         [agent] Improved symbolic store. Alias and Oids where stored 
         with similar key's (seperated by types: atom() and
         lists() respectively). Also added new function:
         <A HREF="snmpa.html#which_aliasnames">  snmpa:which_aliasnames</A>.<BR>

         Own Id: OTP-5298
        <BR>

</LI>


<LI>
         [agent] The agent local_db volatile storage method uses
         an ets-table which is private. This table has been made 
         protected in order to make it easier to bedug and test the 
         snmp agent.<BR>

         Own Id: OTP-5308
        <BR>

</LI>


</UL>
<A NAME="1.8.2"><!-- Empty --></A>
<H4>1.8.2 Reported Fixed Bugs and Malfunctions</H4>

<P>
<UL>

<LI>
         Misspelled deprecated function. Non-existent function
         snmp:is_constistent/1 was marked as depricated. Should
         have been snmp:is_consistent/1).
         <BR>
Own Id: OTP-5273
        <BR>

</LI>


<LI>
         [agent] Unclear documentation for function 
         <A HREF="snmpa.html#send_notification">         snmpa:send_notification</A>. The Recv argument
         (specifically the {M,F,A} variant).<BR>

         Own Id: OTP-5281
        <BR>

</LI>


<LI>
         [manager] It was never documented how the default 
<A HREF="snmpm_user.html">user behaviour</A> 
could be overriden (default user is the module
         <CODE>snmpm_user_default</CODE>). 
         See <A HREF="snmp_app.html"> application configuration</A> or
<A HREF="snmp_config.html#configuration_params"> configuration params</A>.<BR>

         Own Id: OTP-5299
        <BR>

</LI>


<LI>
         [manager] The server process contained a bug that caused it 
         to crash, if it received an exit message from it's gct (GC timer) 
         process and it's verbosity was <STRONG>log</STRONG> or higher.
         <BR>
This also effects the application dowgrade. <BR>

         Own Id: OTP-5306
        <BR>

</LI>


<LI>
         [agent] The agent config file, target_addr.conf, was 
         incorrectly described in the 
         <A HREF="snmp_agent_config_files.html#target_addr">     Target Address Definitions</A> chapter of the 
         User's Guide. The EngineId option was left out.<BR>

         Own Id: OTP-5307
         <BR>
Aux Id: Seq 9689
        <BR>

</LI>


<LI>
         [manager] When a InformRequest is received, the manager sends
         a response message. This did not include the varbinds
         of the original message.
         <BR>
See RFC 3416, chapter 4.2.7.<BR>

         Own Id: OTP-5314
        <BR>

</LI>


<LI>
         [manager] Erroneous function guards made it possible to update
         some agent info (that should be &#34;static&#34;).<BR>

         Own Id: OTP-5315
        <BR>

</LI>


</UL>
<A NAME="1.8.3"><!-- Empty --></A>
<H4>1.8.3 Incompatibilities</H4>

<P>-<A NAME="1.9"><!-- Empty --></A>
<H3>1.9 SNMP Development Toolkit v4.0.4</H3>

<P>Version 4.0.4 supports code replacement in runtime from/to 
version 4.0.3, 4.0.2, 4.0.1 and 4.0.

<A NAME="1.9.1"><!-- Empty --></A>
<H4>1.9.1 Improvements and new features</H4>

<P>-<A NAME="1.9.2"><!-- Empty --></A>
<H4>1.9.2 Reported Fixed Bugs and Malfunctions</H4>

<P>
<UL>

<LI>
         [manager] The timeout calculation for the request
         gc timer incorrect.
         <BR>
Own Id: OTP-5267
        <BR>

</LI>


</UL>
<A NAME="1.9.3"><!-- Empty --></A>
<H4>1.9.3 Incompatibilities</H4>

<P>-<A NAME="1.10"><!-- Empty --></A>
<H3>1.10 SNMP Development Toolkit v4.0.3</H3>

<P>Version 4.0.3 supports code replacement in runtime from/to 
version 4.0.2, 4.0.1 and 4.0.

<A NAME="1.10.1"><!-- Empty --></A>
<H4>1.10.1 Improvements and new features</H4>

<P>-<A NAME="1.10.2"><!-- Empty --></A>
<H4>1.10.2 Reported Fixed Bugs and Malfunctions</H4>

<P>
<UL>

<LI>
         [manager] Some basic SNMP types where not handled when
         performing set-requests 
         (<A HREF="snmpm.html#s">snmpm:s</A> and
         <A HREF="snmpm.html#as">snmpm:as</A>): 
         'BITS' (b), 'IpAddress' (ip), 'Opaque' (op), 
         'Counter32' (c32), 'Counter64' (c64) and 'TimeTicks' (tt).<BR>

         Own Id: OTP-5256
        <BR>

</LI>


<LI>
         [manager] Unnecessary error message when receiving trap from 
         unregistered agent or agent using other port then the 
         request port for trap-sending.<BR>

         Own Id: OTP-5258
        <BR>

</LI>


</UL>
<A NAME="1.10.3"><!-- Empty --></A>
<H4>1.10.3 Incompatibilities</H4>

<P>-<A NAME="1.11"><!-- Empty --></A>
<H3>1.11 SNMP Development Toolkit v4.0.2</H3>

<P>Version 4.0.2 supports code replacement in runtime from/to 
version 4.0.1 and 4.0.

<A NAME="1.11.1"><!-- Empty --></A>
<H4>1.11.1 Improvements and new features</H4>

<P>
<UL>

<LI>
         [manager] When the net_if process failed to send a message, for
         whatever reason, this is just dropped. And the user is
         &#34;left hanging&#34;. Now, if the request is syncroneous,
         it will return with a proper reason 
         (see <A HREF="snmpm.html#g">snmpm:g</A>, 
         <A HREF="snmpm.html#gn">snmpm:gn</A> and
         <A HREF="snmpm.html#s">snmpm:s</A>), and if the request
         was asynchroneous, the new callback function, 
         handle_error 
         (see <A HREF="snmpm_user.html">snmpm_user</A>) is 
         called. <BR>

         Own Id: OTP-5242
        <BR>

</LI>


</UL>
<A NAME="1.11.2"><!-- Empty --></A>
<H4>1.11.2 Reported Fixed Bugs and Malfunctions</H4>

<P>
<UL>

<LI>
         [manager] The arguments CtxName and Port was swapped in the
         function snmpm:g/6.<BR>

         Own Id: OTP-5225
        <BR>

</LI>


<LI>
         [manager] TRAP receive failes for unknown agent due to
         failing message size calculation.<BR>

         Own Id: OTP-5241
        <BR>

</LI>


</UL>
<A NAME="1.11.3"><!-- Empty --></A>
<H4>1.11.3 Incompatibilities</H4>

<P>
<UL>

<LI>
         [manager] Introduced a new callback function in the behaviour
         <A HREF="snmpm_user.html">snmpm_user</A>.<BR>

         Own Id: OTP-5242
        <BR>

</LI>


</UL>
<A NAME="1.12"><!-- Empty --></A>
<H3>1.12 SNMP Development Toolkit v4.0.1</H3>

<P>Version 4.0.1 supports code replacement in runtime from/to version 4.0.

<A NAME="1.12.1"><!-- Empty --></A>
<H4>1.12.1 Improvements and new features</H4>

<P>
<UL>

<LI>
         [agent] Added functions to get a list of all mibs loaded into
         an agent 
         (see <A HREF="snmpa.html#which_mibs">snmpa:which_mibs</A>)
         and to get the (full path) file name of a loaded mib (see 
         <A HREF="snmpa.html#whereis_mib">snmpa:whereis_mib</A>).
         <BR>
Own Id: OTP-5187
        <BR>

</LI>


</UL>
<A NAME="1.12.2"><!-- Empty --></A>
<H4>1.12.2 Reported Fixed Bugs and Malfunctions</H4>

<P>
<UL>

<LI>
         [manager] The wrong default value (1024) was used for the 
         net-if option recbuf. If no value is specified, then the OS
         default shall be used.<BR>

         Own Id: OTP-5196
        <BR>

</LI>


</UL>
<A NAME="1.12.3"><!-- Empty --></A>
<H4>1.12.3 Incompatibilities</H4>

<P>-<A NAME="1.13"><!-- Empty --></A>
<H3>1.13 SNMP Development Toolkit v4.0</H3>
<A NAME="1.13.1"><!-- Empty --></A>
<H4>1.13.1 Improvements and new features</H4>

<P>
<UL>

<LI>
         [manager] Added a proper snmp manager.<BR>

         Major restructure of the application in order to 
         incorporate the new manager.<BR>

        
</LI>


<LI>
         [agent] Add a <CODE>snmpa:get/3</CODE> with an extra <CODE>Context</CODE>
         argument. Also added similar <CODE>snmpa:get_next/2,3</CODE> functions. 
         See <A HREF="snmpa.html#get">snmpa:get</A> and
         <A HREF="snmpa.html#get_next">snmpa:get_next</A>.
         <BR>
Martin Bjrklund<BR>

         Own Id: OTP-5054
        <BR>

</LI>


<LI>
         [agent] Add <STRONG>notification filters</STRONG>. See 
         <A HREF="snmpa_notification_filter.html">       snmpa_notification_filter</A>, 
         <A HREF="snmpa.html#register_notification_filter">      register_notification_filter</A>,
         <A HREF="snmpa.html#unregister_notification_filter">    unregister_notification_filter</A> and 
         <A HREF="snmpa.html#which_notification_filter">         which_notification_filter</A>.<BR>

         Own Id: OTP-5055
        <BR>

</LI>


<LI>
[agent] Added two mib lookup functions, 
         <A HREF="snmpa.html#me_of">me_of</A> and
         <A HREF="snmpa.html#mib_of">mib_of</A>.<BR>

         Own Id: OTP-5082
         <BR>
Aux Id: Seq 8848
        <BR>

</LI>


<LI>
         [compiler] The MIB compiler is now (source code) independent 
         of the rest of the application (and vice versa).<BR>

        
</LI>


<LI>
         [compiler] DISPLAY-HINT and UNITS included in the 
         compiled mib.<BR>

         Own Id: OTP-5053
        <BR>

</LI>


<LI>
         [compiler] Added compiler options <CODE>imports</CODE> and
         <CODE>module_identity</CODE> to include the imports list and 
         module identity (only SMIv2) info in the compiled mib, 
         see <A HREF="snmpc.html">snmpc</A>.<BR>

        
</LI>


<LI>
         [compiler] Added the MIB compiler option 
         <CODE>+no_defs</CODE>, see <A HREF="snmpc.html">snmpc</A>.
         <BR>
Martin Bjrklund
         <BR>

        
</LI>


<LI>
         [compiler] Added the MIB compiler option 
         <CODE>+'{module, atom()}'</CODE>, 
         see <A HREF="snmpc.html">snmpc</A>.
         <BR>
Martin Bjrklund
         <BR>

        
</LI>


</UL>
<A NAME="1.13.2"><!-- Empty --></A>
<H4>1.13.2 Reported Fixed Bugs and Malfunctions</H4>

<P>
<UL>

<LI>
         [agent] Failing MIB configure/reconfigure was difficult
         to diagnose. Added better error handling and verbosity.<BR>

        
</LI>


<LI>
         [compiler] Added &#34;default value&#34; for INTEGER with enumeration
         without a DEFVAL clause.
         The lowest valid integer value is choosen for the
         variable_info defval.
         <BR>
Own Id: OTP-5124
         <BR>
Aux Id: Seq 8738
        <BR>

</LI>


<LI>
         [compiler] Unnecssarily reserved words in the mib compiler
         can cause some enumeration definitions to fail.
         <BR>
Martin Bjrklund<BR>

         Own Id: OTP-5066
        <BR>

</LI>


</UL>
<A NAME="1.13.3"><!-- Empty --></A>
<H4>1.13.3 Incompatibilities</H4>

<P>
<UL>

<LI>
         New sys configuration format. 
         Allthough the old configuration format still
         works (if only the agent is used), it is no
         longer documented and will eventually be 
         eliminated.
         See <A HREF="snmp_app.html"> application configuration</A> or
<A HREF="snmp_config.html#configuration_params"> configuration params</A> for more info.<BR>


</LI>


<LI>
         Three new interface modules have been introduced. One
         for each of the individual parts of the application:
         <BR>

<UL>

<LI>
         [agent] <CODE>snmpa</CODE>
         <BR>

</LI>


<LI>
         [manager] <CODE>snmpm</CODE>
         <BR>

</LI>


<LI>
         [compiler] <CODE>snmpc</CODE>
         <BR>

</LI>


</UL>

         The primary interface module, <CODE>snmp</CODE>, still exist.
         It contains the application generic functions. The 
         agent specific stuff still exist (for backward
         compatibillity reasons), but has been deprecated and will
         eventually be removed.
         <BR>
Some previously already deprecated functions has been 
         removed (since they in turn was dependent on deprecated 
         functions, see calendar).
        <BR>

</LI>


<LI>
         [agent] The agent network interface api has changed.
         See <A HREF="snmp_agent_netif.html"> snmp agent net if</A>,
        <BR>

</LI>


<LI>
         [agent] The default agent audit trail log name has changed.<BR>

        
</LI>


<LI>
         [compiler] Mib format has changed (see OTP-5053 above).<BR>

        
</LI>


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