AdventNet Simulation Toolkit comprises easy-to-use, GUI-based agent simulator and network simulator for testing, training and demonstration of network management applications. The network simulator enables network simulation of 50000+ SNMP (v1, v2c, v3), TL1, TFTP, FTP, Telnet and Cisco IOS devices, on a single PC. It also provides the Topology Editor to establish inter-connections across routers, switches and other network devices and visualize the topological relationship between the devices.