Major changes and improvements:

• Added efficient support for the timeout of asynchronous requests
• Added UDP broadcast discovery
• Improved MIB parser

Major changes and improvements:

• Fixed compatiblity issues with JDK 1.5
• Fixed bugs in MibUtil class
• Fixed SNMPv3 USM issues in SnmpTrapdSession
• Improved MIB parser

Maintenance release to SNMP API 3.0. Major changes and improvements:

• Added new addV3Params method to SnmpTrapdSession class which takes localized keys
• Fixed timeout issue in async. methods of SnmpSession class
• Added MIB browser that is also available as an independent freeware product
• Fixed trap port problem and some other minor issues in sample code
• Improved MIB parser

Major changes and improvements:

• Added USM CFB128-AES-128 algorithm
• Support for loading multiple versions of MIBs
• Improved performance for SNMPv3 encryption
• InstallSnmpV3 script is no longer required
• Added Java applet example for accessing SNMP agent within applet

Major changes and improvements:

• Better handling of malformed MIB files
• Integrated with popular log4j
• Fixed problems in SNMPv3 trap handling

As the first maintenance release to SNMP API 2.5, about 9 bug fixes were integrated in version 2.51.

Additionally, changes and improvements have been made in the following areas:

• SnmpSession
• MIB parser
• SnmpTrapdSession

• MIB parser, which was a package scope class, has been made public and new features were added. Now user can have a tree data structure of MIB. A new sample code, mibparser.java, is added to illustrate the use of mib parser. Sees javadoc of MibUtil and MibTreeNode classes for details.
• Conversion between SNMPv1 and SNMPv2c traps are added to SnmpV1Trap and SnmpTrap classes, according to RFC 2576 and RFC 2089.
• There are some changes to public methods in SnmpTrapdSession class to greatly improve its performance in order to handle high-volume trap messages. Refer to snmptrapd.java for the usage of this class.