学校的校园网,在日常网络传输中应具备较高的可靠性和安全性。校园网内部有针对各级的保密数据,校园网要接入INTERNET,还可能遭到外部黑客的恶意攻击,给教学和科研造成损失。因此,校园网应着手考虑从内、外两方面来保证网络的安全,设计可以考虑通过划分VLAN和安装防火墙方式,以提高网络的安全性和可靠性。 School’s campus network, in the daily network transmission should have high reliability and security. Campus network for confidential data at all levels, the campus network to access INTERNET, may also be malicious attacks by external hackers, to teaching and research losses. Therefore, the campus network should proceed to consider from the inside and outside the two to ensure the safety of the network, the design can be considered by dividing the VLAN and install the firewall to improve network security and reliability.