aboutsummaryrefslogblamecommitdiffstats
path: root/lib/snmp/doc/src/notes_history.xml
blob: 934df87866ab7267e51916315e95b294433d9df7 (plain) (tree)
1
2
3
4
5
6
7
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151





                                        
                                        







                                                                         
 



                                                                            
 
















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































                                                                                                           
                                                             







































                                                                               
                                                             




















































                                                                                                          

                                                                            































































































































































































































































































































                                                                                                                      
<?xml version="1.0" encoding="latin1" ?>
<!DOCTYPE chapter SYSTEM "chapter.dtd">

<chapter>
  <header>
    <copyright>
      <year>2004</year><year>2010</year>
      <holder>Ericsson AB. All Rights Reserved.</holder>
    </copyright>
    <legalnotice>
      The contents of this file are subject to the Erlang Public License,
      Version 1.1, (the "License"); you may not use this file except in
      compliance with the License. You should have received a copy of the
      Erlang Public License along with this software. If not, it can be
      retrieved online at http://www.erlang.org/.

      Software distributed under the License is distributed on an "AS IS"
      basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
      the License for the specific language governing rights and limitations
      under the License.

    </legalnotice>

    <title>SNMP Release Notes history</title>
    <prepared></prepared>
    <responsible></responsible>
    <docno></docno>
    <approved></approved>
    <checked></checked>
    <date></date>
    <rev></rev>
    <file>notes_history.xml</file>
  </header>

  <section>
    <title>SNMP Development Toolkit 4.10.3</title>
    <p>Version 4.10.3 supports code replacement in runtime from/to
      version 4.10.2, 4.10.1 and 4.10.</p>

    <section>
      <title>Improvements and new features</title>
      <!-- 
      <list type="bulleted">
        <item>
          <p>The snmp documentation source has been converted
            from SGML to XML.</p>
          <p>Own Id: OTP-6771</p>
        </item>
      </list>
      -->
      <p>-</p> 
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[manager] The configuration option 
            <seealso marker="snmp_app">inform_request_behaviour</seealso>
            was not properly parsed, which caused the manager to revert 
            to the default value, <c>auto</c>. </p>
          <p>Own Id: OTP-7219</p>
        </item>

      </list>
      <!-- <p>-</p> -->
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section> <!-- 4.10.3 -->


  <section> <!-- 4.10.2 -->
    <title>SNMP Development Toolkit 4.10.2</title>

    <p>Version 4.10.2 supports code replacement in run-time from/to
      version 4.10.1 and 4.10</p>

    <section>
      <title>Improvements and new features</title>
      <!--
      <p>-</p> 
      -->

      <list type="bulleted">
        <item>
          <p>[compiler] The MIB-compiler did not recognize well-known-names
            as top parents. The names 'ccitt' (0) , 'iso' (1) and 
            'joint-iso-ccitt' (2) is now also recognized by the MIB 
            compiler. </p>
          <p>Ola Samuelsson</p>
          <p>Own Id: OTP-7160</p>
        </item>

        <item>
          <p>[compiler] The MIB-compiler did not support a name assignment
            which was sequence of numbers, only a parent object
            name followed by a sequence of numbers. </p>
          <p>Ola Samuelsson</p>
          <p>Own Id: OTP-7158</p>
        </item>

      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <!--
      <p>-</p> 
      -->
      <list type="bulleted">
        <item>
          <p>[agent] Invalid variable value causes crashing agent worker 
            process when sending traps. </p>
          <p>Own Id: OTP-7159</p>
        </item>

        <item>
          <p>[agent] When sending a trap, the order of the variable 
            bindings not provided by the trap-sender, could be
            mangled by the agent. </p>
          <p>Ola Samuelsson</p>
          <p>Own Id: OTP-7157</p>
        </item>

        <item>
          <p>[agent] Uninstalling MEs when unloading mibs incorrect and 
            therefor never done. </p>
          <p>Own Id: OTP-7153</p>
        </item>

        <item>
          <p>[agent] snmp_generic:table_set_cols/3 did not handle unexpected
            return values correctly when setting column values. </p>
          <p>Serge Aleynikov</p>
          <p>Own Id: OTP-7152</p>
        </item>

      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section> <!-- 4.10.2 -->


  <section> <!-- 4.10.1 -->
    <title>SNMP Development Toolkit 4.10.1</title>

    <p>Version 4.10.1 supports code replacement in run-time from/to
      version 4.10</p>

    <section>
      <title>Improvements and new features</title>
      <p>-</p> 
      <!--
      <list type="bulleted">
	<item>
	  <p>Added buffer sizes (both receive and send) of
            the udp socket(s) info when calling the 
            <seealso marker="snmpa#info">agent info</seealso> 
            and
            <seealso marker="snmpm#info">manager info</seealso> 
            function(s). </p>
	  <p>Own Id: OTP-6945</p>
	</item>

      </list>
      -->
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <!--
      <p>-</p> 
      -->
      <list type="bulleted">
        <item>
          <p>[manager] Fixed usage of inet:gethostname/1. </p>
          <p>Dialyzer</p>
          <p>Own Id: OTP-7123</p>
        </item>

        <item>
          <p>[agent] Remeoved invalid guard. There was an invalid
            guard on the start function of the top agent 
            supervisor. </p>
          <p>Dialyzer</p>
          <p>Own Id: OTP-7121</p>
        </item>

        <item>
          <p>[compiler] Old style fun cleanup in the MIB compiler. </p>
          <p>Dialyzer</p>
          <p>Own Id: OTP-7119</p>
        </item>

        <item>
          <p>Corrected usage of function file:open/2 (the <c>Modes</c> 
            argument is a list). </p>
          <p>Own Id: OTP-7110</p>
          <!-- <p>Aux Id: Seq 10717</p> -->
        </item>

        <item>
          <p>The SNMP application contains some (previously undocumented) 
            simple utility functions for function tracing (using dbg),
            see 
	    <seealso marker="snmp#enable_trace">enable_trace</seealso>, 
	    <seealso marker="snmp#disable_trace">disable_trace</seealso>, 
	    <seealso marker="snmp#set_trace1">set_trace/1</seealso>, 
	    <seealso marker="snmp#reset_trace">reset_trace</seealso> and 
	    <seealso marker="snmp#set_trace2">set_trace/2</seealso> 
	    for more info. 
	    These functions are intended to make it easy to enable tracing on
            individual functions.
            There where some minor errors, which has now been corrected. </p>
          <p>Own Id: OTP-7109</p>
          <!-- <p>Aux Id: Seq 10717</p> -->
        </item>

        <item>
          <p>There is a bug in snmp_pdus:enc_oct_str_tag/1.  
            All the enc_* functions are supposed to return 
            a flat list, but the second clause of this function 
            does not.  If it gets a binary it returns a deep list. </p>
          <p>Martin Bj&ouml;rklund</p>
          <p>Own Id: OTP-7083</p>
          <!-- <p>Aux Id: Seq 10717</p> -->
        </item>

      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section> <!-- 4.10.1 -->


  <section> <!-- 4.10 -->
    <title>SNMP Development Toolkit 4.10</title>
    <!--
    <p>Version 4.10 supports code replacement in run-time from/to
      version 4.9.6</p>
    -->

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
	<item>
	  <p>Added buffer sizes (both receive and send) of
            the udp socket(s) info when calling the 
            <seealso marker="snmpa#info">agent info</seealso> 
            and
            <seealso marker="snmpm#info">manager info</seealso> 
            function(s). </p>
	  <p>Own Id: OTP-6945</p>
	</item>

        <item>
          <p>[agent] Added the ability to change the request limit  
            in run-time, see 
            <seealso marker="snmpa#set_request_limit">set_request_limit</seealso>
            for more info. </p>
            <p>Own Id: OTP-6898</p>
        </item>

        <item>
          <p>Added the ability to change the audit trail log type 
            in run-time (both agent and manager), see function(s) 
            <seealso marker="snmpm#set_log_type">[manager] set_log_type</seealso>
            and 
            <seealso marker="snmpa#set_log_type">[agent] set_log_type</seealso>
            for more info. </p>
            <p>Own Id: OTP-6841</p>
        </item>

	<item>
	  <p>[agent] Added support for message filtering in the network
            interface module provided with the application. 
            The component that actually make the filter decisions is the 
            network interface filter module. This module must implement the 
            <seealso marker="snmpa_network_interface_filter">network interface filter behaviour</seealso>. 
            See also the 
            <seealso marker="snmp_app#configuration_params">Configuring the application</seealso> 
            chapter of the User's Guide to see how to configure this 
            feature. </p>
	  <p>Own Id: OTP-6649</p>
	</item>

      </list>
      <!-- 
      <p>-</p> 
      -->
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <p>-</p> 
      <!--
      <list type="bulleted">
        <item>
          <p>[agent] The order in which the processes in the snmp agent
            where terminated was incorrect. This could, in some
            case's, lead to incoming request(s) being processed
            during the application termination phase. This, in
            turn, could lead to various process crashes (when
            expected resources where no longer available). </p>
          <p>Own Id: OTP-6805</p>
          <p>Aux Id: Seq 10717</p>
        </item>

      </list>
      -->
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section> <!-- 4.10 -->

  <section>
    <title>SNMP Development Toolkit 4.9.6</title>
    <p>Version 4.9.6 supports code replacement in run-time from/to
      version 4.9.5, 4.9.4, 4.9.3, 4.9.2, 4.9.1 and 4.9.</p>

    <section>
      <title>Improvements and new features</title>
      <!-- 
      <list type="bulleted">
        <item>
          <p>The snmp documentation source has been converted
            from SGML to XML.</p>
          <p>Own Id: OTP-6771</p>
        </item>
      </list>
      -->
      <p>-</p> 
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[compiler] The MIB compiler did not handle import
            of the macro from the MIB RFC1155-SMI. </p>
          <p>Own Id: OTP-6840</p>
          <p>Aux Id: Seq 10726</p>
        </item>

        <item>
          <p>Bad length check (i.e. none) when decoding
            AuthenticationParameters. </p>
          <p>Own Id: OTP-6843</p>
        </item>

      </list>
      <!-- <p>-</p> -->
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section> <!-- 4.9.6 -->

  <section>
    <title>SNMP Development Toolkit 4.9.5</title>
    <p>Version 4.9.5 supports code replacement in run-time from/to
      version 4.9.4, 4.9.3, 4.9.2, 4.9.1 and 4.9.</p>

    <section>
      <title>Improvements and new features</title>
      <!-- 
      <list type="bulleted">
        <item>
          <p>The snmp documentation source has been converted
            from SGML to XML.</p>
          <p>Own Id: OTP-6771</p>
        </item>
      </list>
      -->
      <p>-</p> 
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[agent] The order in which the processes in the snmp agent
            where terminated was incorrect. This could, in some
            case's, lead to incoming request(s) being processed
            during the application termination phase. This, in
            turn, could lead to various process crashes (when
            expected resources where no longer available). </p>
          <p>Own Id: OTP-6805</p>
          <p>Aux Id: Seq 10717</p>
        </item>

        <item>
          <p>[agent] In version 4.9.4 some requests could be
            handled single threaded regardless of the value of 
            the multi_thread config option. </p>
          <p>Own Id: OTP-6815</p>
          <p>Aux Id: Seq 10724</p>
        </item>
      </list>
      <!-- <p>-</p> -->
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.9.4</title>
    <p>Version 4.9.4 supports code replacement in run-time from/to
      version 4.9.3, 4.9.2, 4.9.1 and 4.9.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>The snmp documentation source has been converted
            from SGML to XML.</p>
          <p>Own Id: OTP-6771</p>
        </item>
      </list>
      <!-- <p>-</p> -->
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[agent] Unexpected worker process termination.
            When the agent is multi-threaded (multi_thread = true), 
            sending a request to the agent with an invalid context
            could lead to an unexpected worker process termination.
            This is a non-fatal problem since the master-agent 
            would simply create a new worker process. </p>
          <p>Own Id: OTP-6784</p>
          <p>Aux Id: Seq 10689</p>
        </item>
      </list>
      <!-- <p>-</p> -->
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section> <!-- 4.9.4 -->

  <section>
    <title>SNMP Development Toolkit 4.9.3</title>
    <p>Version 4.9.3 supports code replacement in run-time from/to
      version 4.9.2, 4.9.1 and 4.9.</p>

    <section>
      <title>Improvements and new features</title>
      <p>-</p>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[agent] Changing own [usm] pass-phrase when agent is
            multi-threaded did not work.</p>
          <p>Scott Lystig Fritchie</p>
          <p>Martin Bj&ouml;rklund</p>
          <p>Own Id: OTP-6712</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.9.2</title>
    <p>Version 4.9.2 supports code replacement in run-time from/to
      version 4.9.1, 4.9 &amp; 4.8.4.</p>

    <section>
      <title>Improvements and new features</title>
      <p>-</p>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[agent] Incorrect default verbosity (trace) for target cache.</p>
          <p>Own Id: OTP-6571</p>
          <p>Aux Id: Seq 10437</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.9.1</title>
    <p>Version 4.9.1 supports code replacement in run-time from/to
      version 4.9 &amp; 4.8.4.</p>

    <section>
      <title>Improvements and new features</title>
      <p>-</p>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[agent] Used wrong DEFVAL for vacmAccessStorageType
            (volatile instead of nonVolatile) in SNMP-VIEW-BASED-ACM-MIB. </p>
          <p>Martin Bj&ouml;rklund</p>
          <p>Own Id: OTP-6569</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.9</title>
    <p>Version 4.9 supports code replacement in run-time from/to
      version 4.8.4, 4.8.3, 4.8.2, 4.8.1 and 4.8.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>Added documentation for 
            <seealso marker="snmp#passwd2localized_key">snmp:passwd2localized_key/3</seealso>. </p>
          <p>Own Id: OTP-6540</p>
        </item>
        <item>
          <p>The 
            <seealso marker="snmp#config">snmp:config/0</seealso>
            utility function assumes by default
            current working dir as the directory to write config
            files. This is a problem since there are two files
            that share the same name, usm.conf, one for the agent 
            and the other for the manager. Some extra checks has 
            been added to be able warn the user about this possible 
            conflict. </p>
          <p>Own Id: OTP-6532</p>
        </item>
        <item>
          <p>Minor documentation improvement for module snmp_generic. </p>
          <p>Own Id: OTP-6518</p>
        </item>
        <item>
          <p>[agent] Improve error handling of missing target params 
            config. </p>
          <p>Own Id: OTP-6487</p>
        </item>
        <item>
          <p>Minor improvement to the mnesia snmp indexing. </p>
          <p>Own Id: OTP-6415</p>
        </item>
        <item>
          <p>Include the INET-ADDRESS-MIB mib in the SNMP application. </p>
          <p>Own Id: OTP-6383</p>
        </item>
        <item>
          <p>Added utility modules to read, write and update the config
            files of the 
            <seealso marker="snmpa_conf">agent</seealso> and 
            <seealso marker="snmpm_conf">manager</seealso>. </p>
          <p>Own Id: OTP-6318</p>
        </item>
        <item>
          <p>[agent] Improve behaviour during massive trap-
            sending. This is done in two way's:</p>
          <list type="bulleted">
            <item>
              <p>Improving performance of the target(s) cache 
                (which is used during trap/notification sending). </p>
            </item>
            <item>
              <p>A slightly better flow control, making it more 
                difficult to actually overload the agent.</p>
            </item>
          </list>
          <p>Own Id: OTP-6317</p>
          <p>Aux Id: Seq 10437</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>Incorrect handling of decrypt failure resulting in 
            incorrect error reporting. Applies to both the
            agent and the manager. Detected by dialyzer. </p>
          <p>Own Id: OTP-6533</p>
        </item>
        <item>
          <p>[manager] Invalid guard on function snmpm:agn/5 
            made it impossible to reach this particular clause.
            Detected by dialyzer. </p>
          <p>Own Id: OTP-6529</p>
        </item>
        <item>
          <p>Miscellaneous minor corrections, such as 
            removing "dead code". Detected by dialyzer. </p>
          <p>Own Id: OTP-6515</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.8.4</title>
    <p>Version 4.8.4 supports code replacement in run-time from/to
      version 4.8.3, 4.8.2, 4.8.1 and 4.8.</p>

    <section>
      <title>Improvements and new features</title>
      <p>-</p>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[agent] An Audit Trail Log entry was sometimes done 
            using a list instead of the expected binary for the 
            snmp packet. This caused an error when converting the 
            log to a text-file. </p>
          <p>Own Id: OTP-6408</p>
          <p>Aux Id: Seq 10547</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.8.3</title>
    <p>Version 4.8.3 supports code replacement in run-time from/to
      version 4.8.2, 4.8.1 and 4.8.</p>

    <section>
      <title>Improvements and new features</title>
      <p>-</p>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[agent] Verification of ViewTreeFamily 
            (SNMP-VIEW-BASED-ACM-MIB) incorrect.
            No values other then <c>null</c> and <c>[]</c> where accepted. </p>
          <p>Own Id: OTP-6337</p>
          <p>Aux Id: Seq 10509</p>
        </item>
        <item>
          <p>[agent] Start with type <c>takeover</c> did not work. </p>
          <p>Own Id: OTP-6340</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.8.2</title>
    <p>Version 4.8.2 supports code replacement in run-time from/to
      version 4.8.1 and 4.8.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>Add time-stamp to the verbosity printouts. </p>
          <p>Own Id: OTP-6214</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>A badly formatted debug printout caused console printouts. </p>
          <p>Own Id: OTP-6247</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.8.1</title>
    <p>Version 4.8.1 supports code replacement in run-time from/to
      version 4.8, 4.7.4 and 4.7.3.</p>

    <section>
      <title>Improvements and new features</title>
      <p>-</p>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>Removed an io:format in mini mib utility (used when
            converting logs). </p>
          <p>Own Id: OTP-6177</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.8</title>
    <p>Version 4.8 supports code replacement in run-time from/to
      version 4.7.4 and 4.7.3.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>Added a config option, <c>sndbuf</c>, for the net_if-module(s).  
            See 
            <seealso marker="snmp_app">application configuration</seealso> or
            <seealso marker="snmp_config">running the application</seealso> 
            for more info (look for manager_net_if_options and 
            agent_net_if_options). </p>
          <p>Own Id: OTP-6137</p>
        </item>
        <item>
          <p>Improve error handling of the log_to_txt function(s). 
            [snmpm|snmpa]:log_to_txt on a non-existing log-file 
            causes an obscure error reason.</p>
          <p>Own Id: OTP-6149</p>
        </item>
        <item>
          <p>Performance improvement when converting audit trail logs.</p>
          <p>Own Id: OTP-6164</p>
          <p>Aux Id: Seq 10362</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[compiler] Allow empty definitions for SMI-II mibs,
            i.e. mibs are allowed to only contain the
            MODULE-IDENTITY construct. </p>
          <p>Own Id: OTP-6150</p>
          <p>Aux Id: Seq 10333</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.7.4</title>
    <p>Version 4.7.4 supports code replacement in run-time from/to
      version 4.7.3, 4.7.2, 4.7.1 and 4.7.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>Add another example, 
            <seealso marker="snmp_impl_example_manager">ex2</seealso>. 
            This example is basically a simple manager module. </p>
          <p>Own Id: OTP-6042</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[agent] v1 trap sending minor problems. When sending a
            v1 trap, the wrong record type (#pdu{}) was used to
            access the type field (which does not exist in the
            #tranpdu{} record). This value is used when logging.</p>
          <p>Own Id: OTP-6077</p>
        </item>
        <item>
          <p>[manager] Type guard error.</p>
          <p>Kostis Sagonas.</p>
          <p>Own Id: OTP-6074 (dialyzer)</p>
        </item>
        <item>
          <p>Misc Dialyzer warnings.</p>
          <p>Own Id: OTP-6068</p>
        </item>
        <item>
          <p>[manager] Default value tags may conflict with actual
            host name. When storing default values for agents, the
            tag, default, was used for address (and port). This
            could conflict with an actual host name.</p>
          <p>Own Id: OTP-6062</p>
        </item>
        <item>
          <p>Misc doc corrections.</p>
          <p>Own Id: OTP-6044</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.7.3</title>
    <p>Version 4.7.3 supports code replacement in run-time from/to
      version 4.7.2, 4.7.1 and 4.7.</p>

    <section>
      <title>Improvements and new features</title>
      <p>-</p>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>Misc compiler warning cleanup.</p>
          <p>Own Id: OTP-6031</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.7.2</title>
    <p>Version 4.7.2 supports code replacement in run-time from/to
      version 4.7.1 and 4.7.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>[manager] Improve handling of empty messages. Today 
            when receiving an empty (size = 0) udp message, this 
            will result in a decode failure (a catched function 
            clause), which in turn will be passed on to the user, 
            via a call to the 
            <seealso marker="snmpm_user#handle_error">handle_error</seealso> 
            callback function, in the <c>Reason</c> argument. 
            This has now been changed so that instead, the 
            <c>Reason</c> argument will get a <c>empty message</c> 
            value.</p>
          <p>See  
            <seealso marker="snmpm_user#handle_error">handle_error</seealso> 
            for more details. </p>
          <p>Own Id: OTP-6024</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[manager] Some error cases are reported to the 'user'
            with the ReqId and Reason swapped in the call to the
            <seealso marker="snmpm_user#handle_error">handle_error</seealso> 
            callback function.</p>
          <p>Own Id: OTP-5992</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.7.1</title>
    <p>Version 4.7.1 supports code replacement in run-time from/to
      version 4.7, 4.6.1 and 4.6.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>Added new version info print functions, 
            <seealso marker="snmp#print_version_info">print_version_info</seealso>.</p>
          <p>Own Id: OTP-5968</p>
        </item>
        <item>
          <p>Updated the documentation for the 
            <seealso marker="snmpa#log_to_txt">agent</seealso> and 
            <seealso marker="snmpm#log_to_txt">manager</seealso>
            log_to_txt functions.</p>
          <p>Own Id: OTP-5969</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[manager] The supervision structure contained several
            errors which unnecessarily caused a complete restart of 
            the manager.</p>
          <p>Own Id: OTP-5963</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.7</title>
    <p>Version 4.7 supports code replacement in run-time from/to
      version 4.6.1 and 4.6.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>Add simple backup mechanism, 
            see <seealso marker="snmpa#backup">agent backup</seealso> 
            and <seealso marker="snmpm#backup">manager backup</seealso>.</p>
          <p>Own Id: OTP-5870</p>
        </item>
        <item>
          <p>Improve handling of faulty data base files.</p>
          <p>Added new agent and manager config option, 
            <c>db_init_error</c>, see 
            <seealso marker="snmp_config">config</seealso> for more 
            info.</p>
          <p>Own Id: OTP-5934</p>
          <p>Aux Id: Seq 10202</p>
        </item>
        <item>
          <p>Added possibility to configure restart type for each of 
            the components (default is permanent for the agent and 
            transient for the manager).
            See <seealso marker="snmp_config">config</seealso> for more 
            info.</p>
          <p>Own Id: OTP-5935</p>
        </item>
        <item>
          <p>[compiler] Improve error printouts.</p>
          <p>Own Id: OTP-5937</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <p>-</p>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.6.1</title>
    <p>Version 4.6.1 supports code replacement in run-time from/to
      version 4.6.</p>

    <section>
      <title>Improvements and new features</title>
      <p>-</p>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[agent] SNMP sha/aes decryption did not work. </p>
	  <p>Magnus Fr&ouml;berg</p>
          <p>Own Id: OTP-5834</p>
        </item>
        <item>
          <p>[agent] The SNMP agent internal data base (local db)
            uses dets, and does not properly handle error's from
            e.g. lookup.</p>
          <p>Own Id: OTP-5838</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.6</title>
    <p>Version 4.6 supports code replacement in run-time from/to
      version 4.5.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>Improved application start flexibility. It is now 
            possible to start snmp application components (agent
            or manager) after the application has been started.
            It is even possible to start an "empty" snmp 
            application and start the agent and/or manager 
            afterwords. See 
            <seealso marker="snmp#start_agent">start_agent</seealso> and 
            <seealso marker="snmp#start_manager">start_manager</seealso>.</p>
          <p>Own Id: OTP-5797</p>
          <p>Aux Id: Seq 10128</p>
        </item>
        <item>
          <p>[agent] Adding utility function to convert old 
            application config to current agent config.
            See the <seealso marker="snmpa#convert_config">convert_config</seealso> 
            for more info.</p>
          <p>Own Id: OTP-5787</p>
        </item>
        <item>
          <p>Improved handling of audit trail logs.
            See the <seealso marker="snmp_app">atl_repair</seealso> 
            config for more info.</p>
          <p>Own Id: OTP-5771</p>
        </item>
        <item>
          <p>[manager] Introduced the 
            <seealso marker="snmpm#notify_started">notify_started</seealso> 
            function used by a <em>client</em> to get a notification 
            when the manager is started.</p>
          <p>Own Id: OTP-5763</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>Misc documentation corrections.</p>
          <p>Own Id: OTP-5829</p>
          <p>Aux Id: Seq 10152</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.5</title>
    <p>Version 4.5 supports code replacement in run-time from/to
      version 4.4.1 and 4.4.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>[manager] Introduced the 
            <seealso marker="snmp_app">inform request behaviour</seealso> 
            configuration option to allow the user to specify
            how/when the manager shall acknowledge inform-request's.</p>
          <p>Own Id: OTP-5733</p>
        </item>
        <item>
          <p>[manager] In order to improve application behaviour,
            all callback function (see the 
            <seealso marker="snmpm_user">snmpm_user behaviour</seealso>) 
            calls
            are now done by spawned processes (and not as previously
            by the SNMP manager server process).</p>
          <p>Own Id: OTP-5726</p>
        </item>
        <item>
          <p>[manager] In order to present the various error 
            reason's returned by the manager, a 
            <seealso marker="snmpm#format_reason">format_reason</seealso> 
            function has been added.
            The error reasons this function handles are those
            returned by the (sync and async) get, get-next, 
            get-bulk and set-functions 
            (see the <seealso marker="snmpm">snmpm</seealso> module) 
            as well as the 
            <c>Reason</c> argument of the 
            <seealso marker="snmpm_user#handle_error">handle_error</seealso> 
            function of the 
            <seealso marker="snmpm_user">user callback module</seealso>.</p>
          <p>Own Id: OTP-5581</p>
          <p>Aux Id: Seq 9870</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[manager] The (error) report according to RFC 2572, chapter
            7.2 point 6) was never sent.</p>
          <p>Own Id: OTP-5742</p>
        </item>
        <item>
          <p>[agent] Check of notification name collision
            could fail due to incorrect record name (assumed to
            be <c>#trap</c>, but could also be <c>#notification</c>). 
            This only cases a problem when the application is 
            compiled with the strict_record_tests option.</p>
          <p>Own Id: OTP-5740</p>
        </item>
        <item>
          <p>[agent] Table get-request failure in some cases.</p>
          <p>Own Id: OTP-5732</p>
          <p>Aux Id: Seq 10087</p>
        </item>
        <item>
          <p>Explicitly sync all audit trail log's upon termination.</p>
          <p>Own Id: OTP-5727</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <list type="bulleted">
        <item>
          <p>[manager] The 
            <seealso marker="snmpm_network_interface">snmpm_network_interface</seealso> 
            behaviour has been updated (see 
            <seealso marker="snmpm_network_interface#inform_response">inform_response</seealso> and 
            <seealso marker="snmp_manager_netif">definition of the manager net if</seealso>).</p>
          <p>Own Id: OTP-5733</p>
        </item>
      </list>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.4.1</title>
    <p>Version 4.4.1 supports code replacement in run-time from/to
      version 4.4.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>[manager] Add monitoring of the SNMP manager.
            The SNMP application consists of two different
            run-time parts, the agent and the manager. They are
            independent of each other. The agent is "permanent"
            and the manager "transient". In order to handle
            manager crashes a simple 
            <seealso marker="snmpm#monitor">monitor</seealso> 
            (and <seealso marker="snmpm#demonitor">demonitor</seealso>) 
            function has been added.</p>
          <p>Own Id: OTP-5720</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[manager] If sending a set-request containing an
            'OCTET STRING' with an invalid integer (valid integer
            are 0-255), the encoding will fail and cause the
            net_if process to crash.</p>
          <p>Own Id: OTP-5719</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.4</title>
    <p>Version 4.4 supports code replacement in run-time from/to
      version 4.3.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>Updated and extended the 
            <seealso marker="snmpa#info">agent</seealso>
            info retrieval function. Also added an info retrieval 
            function for the 
            <seealso marker="snmpm#info">manager</seealso>.</p>
          <p>Own Id: OTP-5666</p>
        </item>
        <item>
          <p>[manager] Added get-bulk functionality, see (sync) get-bulk
            and (async) get-bulk for more info.</p>
          <p>Own Id: OTP-5669</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[manager] Mini-MIB not properly initiated which could 
            cause a server crash if the name_to_oid or oid_to_name
            functions where called (if no mib's where loaded).</p>
          <p>Own Id: OTP-5675</p>
        </item>
        <item>
          <p>[manager] The out packet counter was not incremented for 
            sent v1/v2 messages.</p>
          <p>Own Id: OTP-5676</p>
        </item>
        <item>
          <p>[manager] The request GC process was started with the 
            wrong default value (idle) which could (unlikely but 
            still) cause problems after a code-change.</p>
          <p>Own Id: OTP-5678</p>
        </item>
        <item>
          <p>Bad handling of error cases (corrupt log file) when 
            converting log files (i.e. when calling the function 
            log_to_txt).</p>
          <p>Own Id: OTP-5703</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <list type="bulleted">
        <item>
          <p>[agent] The format of the info returned by the agent 
            info retrieval function has been changed. The info 
            can be converted to the old format by calling the 
            <seealso marker="snmpa#old_info_format">old_info_format</seealso>).</p>
          <p>function. </p>
          <p>Own Id: OTP-5666</p>
        </item>
      </list>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.3</title>
    <p>Version 4.3 supports code replacement in run-time from/to
      version 4.2.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>[manager] Improved async error reporting.</p>
          <p>Own Id: OTP-5637</p>
          <p>Aux Id: Seq 9970</p>
        </item>
        <item>
          <p>Added support for The Advanced Encryption Standard (AES) 
            Cipher Algorithm in the SNMP User-based Security Model 
            (RFC 3826). Both agent and manager. </p>
	  <p>Martin Bj&ouml;rklund</p>
          <p>Own Id: OTP-5490</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[manager] Reset of USM-cache when unregister agent.</p>
          <p>Own Id: OTP-5636</p>
          <p>Aux Id: Seq 9970</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.2</title>
    <p>Version 4.2 supports code replacement in run-time from/to
      version 4.1.5.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>[manager] Added another get, get-next and set function
            with another argument, <c>ExtraInfo</c> (see 
            synchronous get (g), asynchronous get (ag), 
	    synchronous set (s), asynchronous set (as), 
	    synchronous get-next (gn), and asynchronous get-next (agn)). 
            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.</p>
          <p>Own Id: OTP-5574</p>
          <p>Aux Id: Seq 9850</p>
        </item>
        <item>
          <p>[manager] <c>report</c> 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 synchronous get (g), 
	    synchronous set (s) and synchronous get-next (gn)) 
            or via a call to the handle_error callback function.</p>
          <p>Own Id: OTP-5578</p>
          <p>Aux Id: Seq 9850</p>
        </item>
        <item>
          <p>[manager] Added a 
            <seealso marker="snmpm#unregister_usm_user">unregister_usm_user</seealso> function.</p>
          <p>Own Id: OTP-5580</p>
          <p>Aux Id: Seq 9850</p>
        </item>
        <item>
          <p>[agent] Added new functions to get lists of all tables, 
            <seealso marker="snmpa#which_tables">which_tables</seealso>, 
            and variables, 
            <seealso marker="snmpa#which_variables">which_variables</seealso>, 
            known to the agent.</p>
          <p>Own Id: OTP-5590</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[manager] Incorrect SHA-key length check when 
            updating usm-user info (should have been 20 but 
            was 16).</p>
          <p>Own Id: OTP-5579</p>
          <p>Aux Id: Seq 9850</p>
        </item>
        <item>
          <p>[compiler] Incorrect error report when the name of the 
            field and object is the same. </p>
	  <p>Kostis Sagonas</p>
          <p>Own Id: OTP-5591 (dialyzer)</p>
        </item>
        <item>
          <p>[manager] Arguments Port (third argument) and CtxName 
            (fourth argument) where swapped in snmpm:g/5 
            when forwarding call. </p>
	  <p>Kostis Sagonas</p>
          <p>Own Id: OTP-5592 (dialyzer)</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <list type="bulleted">
        <item>
          <p>[manager] The <c>snmpm_network_interface</c> behaviour has changed. 
            One more argument (ExtraInfo) was added to the 
            function send_pdu (see 
            <seealso marker="snmpm_network_interface#send_pdu">send_pdu</seealso>).</p>
          <p>Own Id: OTP-5574</p>
          <p>Aux Id: Seq 9850</p>
        </item>
      </list>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.1.5</title>
    <p>Version 4.1.5 supports code replacement in run-time from/to
      version 4.1.4, 4.1.3, 4.1.2, 4.1.1 and 4.1.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>[agent] Add mapping of notification oid to alias-name. </p>
	  <p>Martin Bj&ouml;rklund</p>
          <p>Own Id: OTP-5562</p>
        </item>
        <item>
          <p>[manager] Late (async) reply incorrectly delivered to
            user via handle_pdu instead of handle_error.</p>
          <p>Own Id: OTP-5506</p>
          <p>Aux Id: Seq 9804</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[manager] Security level handled incorrectly.</p>
          <p>Own Id: OTP-5564</p>
          <p>Aux Id: Seq 9850</p>
        </item>
        <item>
          <p>[manager] (v3) Encryption/decryption failure.</p>
          <p>Own Id: OTP-5560</p>
          <p>Aux Id: Seq 9850</p>
        </item>
        <item>
          <p>[manager] Cannot handle version-1 traps.</p>
          <p>Own Id: OTP-5557</p>
          <p>Aux Id: Seq 9850</p>
        </item>
        <item>
          <p>[manager] Set-request without specifying the variable 
            type failed. The type of the oid had to be found in the 
            loaded MIB. This look-up was erroneous.</p>
          <p>Own Id: OTP-5556</p>
          <p>Aux Id: Seq 9850</p>
        </item>
        <item>
          <p>[agent] Error's reported by the SecModule (v3) when 
            generating outgoing message was not handled correctly 
            in message processing dispatcher module.</p>
          <p>Own Id: OTP-5550</p>
        </item>
        <item>
          <p>[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.</p>
          <p>Own Id: OTP-5548</p>
          <p>Aux Id: Seq 9804</p>
        </item>
        <item>
          <p>[agent] Failure to stop the snmp application when
            started with the old config type.</p>
          <p>Own Id: OTP-5547</p>
          <p>Aux Id: Seq 9842</p>
        </item>
        <item>
          <p>[manager] User unregistration after reboot causes process crash
            (snmpm_server).</p>
          <p>Own Id: OTP-5539</p>
        </item>
        <item>
          <p>[manager] Security engine id look-up errors.</p>
          <p>Own Id: OTP-5508</p>
          <p>Aux Id: Seq 9804</p>
        </item>
        <item>
          <p>[manager] Registering of USM users erroneous.</p>
          <p>Own Id: OTP-5505</p>
          <p>Aux Id: Seq 9804</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.1.4</title>
    <p>Version 4.1.4 supports code replacement in run-time from/to
      version 4.1.3, 4.1.2, 4.1.1 and 4.1.</p>

    <section>
      <title>Improvements and new features</title>
      <p>-</p>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>Fixed a perl related problem in the mibs Makefile. </p>
	  <p>Geoff White</p>
          <p>Own Id: OTP-5491</p>
        </item>
        <item>
          <p>[manager] Failed to register usm users. Both using the
            usm config file 
            (<seealso marker="snmp_manager_config_files#usm_user">usm.conf</seealso>) 
            and the API functions
            <seealso marker="snmpm#register_usm_user">register_usm_user</seealso></p>
          <p>Own Id: OTP-5499</p>
	  <p>Aux Id: Seq 9804</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.1.3</title>
    <p>Version 4.1.3 supports code replacement in run-time from/to
      version 4.1.2, 4.1.1 and 4.1.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>Added utility functions to update agent and manager
            config files.</p>
          <p>Own Id: OTP-5468</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[agent] Error replies was composed with invalid OIDs for the
            following error counters:
            <em>usmStatsWrongDigests</em> (RFC 2574, chap 3.2, point 6),
            <em>usmStatsUnsupportedSecLevels</em> (point 5) and
            <em>usmStatsDecryptionErrors</em> (point 8a).</p>
          <p>Own Id: OTP-5464</p>
	  <p>Aux Id: Seq 9791</p>
        </item>
        <item>
          <p>[agent] Malformed Oid returned from a get_next operation as
            part of a get-bulk-request causes the agent to crash.</p>
          <p>Own Id: OTP-5465</p>
	  <p>Aux Id: Seq 9783, Seq 9793</p>
        </item>
        <item>
          <p>[agent] Missing catch on decode function call.</p>
	  <p>Kostis Sagonas (Dialyzer)</p>
          <p>Own Id: OTP-5479</p>
        </item>
        <item>
          <p>[manager] Invalid check for illegal options.</p>
	  <p>Kostis Sagonas (Dialyzer</p>
          <p>Own Id: OTP-5480</p>
        </item>
        <item>
          <p>Faulty utility function for generation of agent 
            config file target_addr.conf.</p>
          <p>Own Id: OTP-5482</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit 4.1.2</title>
    <p>Version 4.1.2 supports code replacement in run-time from/to 
      version 4.1.1 and 4.1.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>Export utility functions to create agent and manager
            config files.</p>
          <p>Own Id: OTP-5390</p>
        </item>
        <item>
          <p>[agent] Documented instrumentation utility functions
            (e.g. <seealso marker="snmpa#current_request_id">current_request_id</seealso>).</p>
          <p>Own Id: OTP-5423</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[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. </p>
          <p>Own Id: OTP-5370</p>
        </item>
        <item>
          <p>Failure to convert an audit-trail-log to text-file when
            using the default log name. This applies to both the manager 
            and the agent. </p>
          <p>Own Id: OTP-5394</p>
        </item>
        <item>
          <p>[manager] Corrected the discovery handling of the manager.</p>
          <p>Own Id: OTP-5414</p>
        </item>
        <item>
          <p>[manager] Statistic counter creation correction.</p>
          <p>Own Id: OTP-5415</p>
        </item>
        <item>
          <p>[agent] When using the old style agent configuration (pre 4.0),
            it was not possible to specify a different error report
            module (the agent always choose snmpa_error_logger).
            A similar problem existed for the config option 
            force_config_load, which always reverted to false.</p>
          <p>Own Id: OTP-5424</p>
        </item>
        <item>
          <p>[manager] The manager net_if process failed to properly handle
            the case bind_to option value true.</p>
          <p>Own Id: OTP-5431</p>
        </item>
        <item>
          <p>[agent] Various minor mnesia-related fixes.</p>
	  <p>Martin Bj&ouml;rklund</p>
          <p>Own Id: OTP-5433</p>
        </item>
        <item>
          <p>[manager] Missing interface functions for loading and 
            unloading mibs into/from the manager: 
            <seealso marker="snmpm#load_mib">load_mib</seealso>,
            <seealso marker="snmpm#unload_mib">unload_mib</seealso>,
            <seealso marker="snmpm#which_mibs">which_mibs</seealso>,
            <seealso marker="snmpm#name_to_oid">name_to_oid</seealso> and 
            <seealso marker="snmpm#oid_to_name">oid_to_name</seealso>.</p>
          <p>Own Id: OTP-5441</p>
        </item>
        <item>
          <p>Added utility functions to retrieve some system and application 
            info, see <seealso marker="snmp#versions1">versions1</seealso> and 
            <seealso marker="snmp#versions2">versions2</seealso>.</p>
          <p>Own Id: OTP-5445</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit v4.1.1</title>
    <p>Version 4.1.1 supports code replacement in run-time from/to 
      version 4.1. </p>
    <p>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 its
      supervisor.</p>

    <section>
      <title>Improvements and new features</title>
      <p>-</p>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[manager] Manager synchronous get-function with timeout erroneous.
            Results in a function clause.</p>
          <p>Own Id: OTP-5364</p>
        </item>
        <item>
          <p>Replace in decoder fun's of the "old style" fun format, 
            {atom(), atom()}, with a proper fun, e.g. "fun the_function/1".</p>
          <p>Own Id: OTP-5365</p>
        </item>
        <item>
          <p>[manager] Register agent using the config file 
            agents.conf failed due to incorrect function guard.</p>
          <p>Own Id: OTP-5367</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit v4.1.0</title>
    <p>Version 4.1.0 supports code replacement in run-time from/to 
      version 4.0.4. </p>
    <p>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 its
      supervisor.</p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>[manager] Added possibility to monitor a registered user.
            See <seealso marker="snmpm#register_user_monitor">snmpm:register_user_monitor</seealso>.</p>
          <p>Own Id: OTP-5286</p>
        </item>
        <item>
          <p>[agent] Improved symbolic store. Alias and Oids where stored 
            with similar key's (separated by types: atom() and
            lists() respectively). Also added new function:
            <seealso marker="snmpa#which_aliasnames">snmpa:which_aliasnames</seealso>.</p>
          <p>Own Id: OTP-5298</p>
        </item>
        <item>
          <p>[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 debug and test the 
            snmp agent.</p>
          <p>Own Id: OTP-5308</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>Misspelled deprecated function. Non-existent function
            snmp:is_constistent/1 was marked as deprecated. Should
            have been snmp:is_consistent/1).</p>
          <p>Own Id: OTP-5273</p>
        </item>
        <item>
          <p>[agent] Unclear documentation for function 
            <seealso marker="snmpa#send_notification">snmpa:send_notification</seealso>. The Recv argument
            (specifically the {M,F,A} variant).</p>
          <p>Own Id: OTP-5281</p>
        </item>
        <item>
          <p>[manager] It was never documented how the default 
            <seealso marker="snmpm_user">user behaviour</seealso> 
            could be overridden (default user is the module
            <c>snmpm_user_default</c>). 
            See <seealso marker="snmp_app">application configuration</seealso> or
            <seealso marker="snmp_config#configuration_params">configuration params</seealso>.</p>
          <p>Own Id: OTP-5299</p>
        </item>
        <item>
          <p>[manager] The server process contained a bug that caused it 
            to crash, if it received an exit message from its gct (GC timer)
            process and its verbosity was <em>log</em> or higher. </p>
	  <p>This also effects the application downgrade. </p>
          <p>Own Id: OTP-5306</p>
        </item>
        <item>
          <p>[agent] The agent config file, target_addr.conf, was 
            incorrectly described in the 
            <seealso marker="snmp_agent_config_files#target_addr">Target Address Definitions</seealso> chapter of the 
            User's Guide. The EngineId option was left out.</p>
          <p>Own Id: OTP-5307</p>
	  <p>Aux Id: Seq 9689</p>
        </item>
        <item>
          <p>[manager] When a InformRequest is received, the manager sends
            a response message. This did not include the varbinds
            of the original message. See RFC 3416, chapter 4.2.7.</p>
          <p>Own Id: OTP-5314</p>
        </item>
        <item>
          <p>[manager] Erroneous function guards made it possible to update
            some agent info (that should be "static").</p>
          <p>Own Id: OTP-5315</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit v4.0.4</title>
    <p>Version 4.0.4 supports code replacement in run-time from/to 
      version 4.0.3, 4.0.2, 4.0.1 and 4.0.
      </p>

    <section>
      <title>Improvements and new features</title>
      <p>-</p>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[manager]  The timeout calculation for the request
            gc timer incorrect.</p>
          <p>Own Id: OTP-5267</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit v4.0.3</title>
    <p>Version 4.0.3 supports code replacement in run-time from/to 
      version 4.0.2, 4.0.1 and 4.0. </p>

    <section>
      <title>Improvements and new features</title>
      <p>-</p>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[manager] Some basic SNMP types where not handled when
            performing set-requests snmpm:s and snmpm:as): 
            'BITS' (b), 'IpAddress' (ip), 'Opaque' (op), 
            'Counter32' (c32), 'Counter64' (c64) and 'TimeTicks' (tt).</p>
          <p>Own Id: OTP-5256</p>
        </item>
        <item>
          <p>[manager] Unnecessary error message when receiving trap from 
            unregistered agent or agent using other port then the 
            request port for trap-sending.</p>
          <p>Own Id: OTP-5258</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit v4.0.2</title>
    <p>Version 4.0.2 supports code replacement in run-time from/to 
      version 4.0.1 and 4.0.
      </p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>[manager] When the net_if process failed to send a message, for
            whatever reason, this is just dropped. And the user is
            "left hanging". Now, if the request is synchronous,
            it will return with a proper reason (snmpm:g, snmpm:gn and
            snmpm:s), and if the request
            was asynchronous, the new callback function, 
            handle_error 
            (see <seealso marker="snmpm_user">snmpm_user</seealso>) is 
            called. </p>
          <p>Own Id: OTP-5242</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[manager] The arguments CtxName and Port was swapped in the
            function snmpm:g/6.</p>
          <p>Own Id: OTP-5225</p>
        </item>
        <item>
          <p>[manager] TRAP receive fails for unknown agent due to
            failing message size calculation.</p>
          <p>Own Id: OTP-5241</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <list type="bulleted">
        <item>
          <p>[manager] Introduced a new callback function in the behaviour
            <seealso marker="snmpm_user">snmpm_user</seealso>.</p>
          <p>Own Id: OTP-5242</p>
        </item>
      </list>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit v4.0.1</title>
    <p>Version 4.0.1 supports code replacement in run-time from/to version 4.0.
      </p>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>[agent] Added functions to get a list of all mibs loaded into
            an agent 
            (see <seealso marker="snmpa#which_mibs">snmpa:which_mibs</seealso>)
            and to get the (full path) file name of a loaded mib (see 
            <seealso marker="snmpa#whereis_mib">snmpa:whereis_mib</seealso>).</p>
          <p>Own Id: OTP-5187</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[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.</p>
          <p>Own Id: OTP-5196</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <p>-</p>
    </section>
  </section>

  <section>
    <title>SNMP Development Toolkit v4.0</title>

    <section>
      <title>Improvements and new features</title>
      <list type="bulleted">
        <item>
          <p>[manager] Added a proper snmp manager.</p>
          <p>Major restructure of the application in order to 
            incorporate the new manager.</p>
        </item>
        <item>
          <p>[agent] Add a <c>snmpa:get/3</c> with an extra <c>Context</c>
            argument. Also added similar <c>snmpa:get_next/2,3</c> functions. 
            See <seealso marker="snmpa#get">snmpa:get</seealso> and
            <seealso marker="snmpa#get_next">snmpa:get_next</seealso>. </p>
	  <p>Martin Bj&ouml;rklund</p>
          <p>Own Id: OTP-5054</p>
        </item>
        <item>
          <p>[agent] Add <em>notification filters</em>. See 
            <seealso marker="snmpa_notification_filter">snmpa_notification_filter</seealso>,  
            <seealso marker="snmpa#register_notification_filter">register_notification_filter</seealso>,
            <seealso marker="snmpa#unregister_notification_filter">unregister_notification_filter</seealso> and 
            <seealso marker="snmpa#which_notification_filter">which_notification_filter</seealso>.</p>
          <p>Own Id: OTP-5055</p>
        </item>
        <item>
          <p>[agent] Added two mib look-up functions, 
            <seealso marker="snmpa#me_of">me_of</seealso> and
            <seealso marker="snmpa#mib_of">mib_of</seealso>.</p>
          <p>Own Id: OTP-5082</p>
	  <p>Aux Id: Seq 8848</p>
        </item>
        <item>
          <p>[compiler] The MIB compiler is now (source code) independent 
            of the rest of the application (and vice versa).</p>
        </item>
        <item>
          <p>[compiler] DISPLAY-HINT and UNITS included in the 
            compiled mib.</p>
          <p>Own Id: OTP-5053</p>
        </item>
        <item>
          <p>[compiler] Added compiler options <c>imports</c> and
            <c>module_identity</c> to include the imports list and 
            module identity (only SMIv2) info in the compiled mib, 
            see <seealso marker="snmpc">snmpc</seealso>.</p>
        </item>
        <item>
          <p>[compiler] Added the MIB compiler option 
            <c>+no_defs</c>, see <seealso marker="snmpc">snmpc</seealso>.</p>
	  <p>Martin Bj&ouml;rklund</p>
        </item>
        <item>
          <p>[compiler] Added the MIB compiler option 
            <c>+'{module, atom()}'</c>, 
            see <seealso marker="snmpc">snmpc</seealso>. </p>
	  <p>Martin Bj&ouml;rklund</p>
        </item>
      </list>
    </section>

    <section>
      <title>Reported Fixed Bugs and Malfunctions</title>
      <list type="bulleted">
        <item>
          <p>[agent] Failing MIB configure/reconfigure was difficult
            to diagnose. Added better error handling and verbosity.</p>
        </item>
        <item>
          <p>[compiler] Added "default value" for INTEGER with enumeration
            without a DEFVAL clause.
            The lowest valid integer value is chosen for the
            variable_info defval.</p>
          <p>Own Id: OTP-5124</p>
	  <p>Aux Id: Seq 8738</p>
        </item>
        <item>
          <p>[compiler] Unnecessarily reserved words in the mib compiler
            can cause some enumeration definitions to fail.</p>
	  <p>Martin Bj&ouml;rklund</p>
          <p>Own Id: OTP-5066</p>
        </item>
      </list>
    </section>

    <section>
      <title>Incompatibilities</title>
      <list type="bulleted">
        <item>
          <p>New sys configuration format. 
            Although the old configuration format still
            works (if only the agent is used), it is no
            longer documented and will eventually be 
            eliminated.
            See <seealso marker="snmp_app">application configuration</seealso> or
            <seealso marker="snmp_config#configuration_params">configuration params</seealso> for more info.</p>
        </item>
        <item>
          <p>Three new interface modules have been introduced. One
            for each of the individual parts of the application:</p>
          <list type="bulleted">
            <item>
              <p>[agent] <c>snmpa</c></p>
            </item>
            <item>
              <p>[manager] <c>snmpm</c></p>
            </item>
            <item>
              <p>[compiler] <c>snmpc</c></p>
            </item>
          </list>
          <p>The primary interface module, <c>snmp</c>, still exist.
            It contains the application generic functions. The 
            agent specific stuff still exist (for backward
            compatibility reasons), but has been deprecated and will
            eventually be removed.</p>
          <p>Some previously already deprecated functions has been 
            removed (since they in turn was dependent on deprecated 
            functions, see calendar).</p>
        </item>
        <item>
          <p>[agent] The agent network interface API has changed.
            See <seealso marker="snmp_agent_netif">snmp agent net if</seealso>,</p>
        </item>
        <item>
          <p>[agent] The default agent audit trail log name has changed.</p>
        </item>
        <item>
          <p>[compiler] Mib format has changed (see OTP-5053 above).</p>
        </item>
      </list>
    </section>
  </section>
</chapter>