谁能将下面这段文字人工翻译成英文，在线等

In the late twentieth Century, the information technology developed rapidly, and the campus network has become the essential condition for the development of colleges and universities.. Based on the campus network monitoring system on campus, office automation system, educational administration system, financial system, one card service platform, student management system, such as application has become the powerful guarantee for the construction of the campus. This paper mainly introduces the campus network construction, system integration, network planning based on CISCO router, switch and firewall.. The main contribution of this research: the based on Cisco's three layer switch VLAN division, DHCP service implementation, the basic router configuration, and to achieve by agreement for communication between the foundation of the network is the key equipment, according to the design scheme of network is given. In this paper, we construct the campus network construction scheme applicable in most island and other professional institutions, have a certain reference to the network design and construction