Release Notes: Trap and inform commands were added to ns_snmp. The new ns_udp command was added to send UDP packets from Tcl.
Release Notes: An nsmibdump utility that dumps MIBs into nsmib format has been added.
Release Notes: RADIUS protocol for client and server support.
Release Notes: This version features ping improvements, the addition of a RADIUS protocol, and some bugfixes.
Release Notes: ICMP echo requests are added. There are minor bugfixes and documentation improvements.