Abstract: This paper describes the design and realization of IP management system based on workflow, Ajax and master page technology. The whole system makes of message management module，user login module，man management module，IP management module，IP-Mac binding/unbinding module and log record module. This system brings more convenience for the users and administrator because it is adopted automatic IP distributing address，automatic bandings IP with Mac and automatic recycling. These functions are finished including equipment adding，equipment logining account，message managing，place managing and distributing IP address such as DHCP model and static model. It is implemented equipment logining base on Telnet and SSH model. The characteristic of this system is no sense of refreshing whole page，function modularizatio design and the page unified dynamic loading, so it can bring the users the sense of C/S Structure.

Key words: IP management, Ajax, workflow, IP-Mac binding, dynamic load