Kiwi CatTools
Free network management and device configuration tools. CatTools is a utility for managing network devices (routers, switches and firewalls). Automated configuration backups, password changes and scripted configuration commands. Supports Cisco, 3Com, Foundry, Extreme, Nortel, Netscreen and PIX etc. Runs on Windows 98 or later. Can be run as a Windows service or interactive application.