With the deepening of education informatization, China's colleges and universities have basically completed the network construction of teaching, scientific research, library and other departments. The construction of college network laboratory has become the next focus of school informatization. At present, the construction of network laboratories in colleges and universities presents two main characteristics: one is that the network hardware and software involved are numerous and comprehensive; on the other hand, considering that the network laboratories are mostly established for ordinary students, the network laboratory According to the requirements of science and technology, the provided software and hardware equipment must meet the experimental requirements of realizing security, network management and monitoring. Combining the application characteristics of the Zhejiang Ocean University ’s network laboratory, Ruijie Networks and the Ocean University have jointly established a network laboratory for universities that combines network security and monitoring, network management and maintenance, wired and wireless, and its planning, design, and construction are suitable for domestic universities. The construction of network laboratory has good demonstration significance.
To develop education system and innovate laboratory model
Zhejiang Ocean University is located in the scenic "Thousand Island New City" Zhoushan city. It is a marine feature, focusing on marine science, aquaculture, marine engineering, science, agriculture, engineering, literature, management, medicine and education, etc. Provincial undergraduate colleges with coordinated development of disciplines. The school has 13 branches and 4 direct departments under the School of Marine Science and Technology, Fisheries College, etc .; there are 1047 teaching staff and 9005 full-time ordinary students in various schools.
In order to speed up the construction of education informatization, improve the school's teaching efficiency and students' actual operation ability, and better serve the teaching, the school decided to build a network laboratory. The main purpose of building a network laboratory is to train 21st century network talents, and it also serves as an experimental platform for network management, network networking, and cooperation between schools and enterprises. In addition, it can also be used in social practice to provide more learning opportunities and practice demonstration opportunities for many network enthusiasts on and off campus.
According to the purpose of building a network laboratory, the Ocean College has proposed the following specific construction goals for the network laboratory:
(1) Improve students' practical skills:
The network laboratory needs to provide the current mainstream switching equipment, routing equipment, security equipment, network management software, authentication systems, servers, etc., and can conduct network experiments according to the teaching requirements. The content of the experiment should be fully combined with the typical applications of the current domestic market to simulate the real environment .
(2) Cultivate different types of network talents:
The experimental content of the network laboratory fully considers the students' majors and the future development direction, and has customized the experimental content in three directions for the students: network management personnel, network technical support personnel, and network research and development. The network laboratory needs to carry out the corresponding experimental content according to three different roles.
(3) Become a unique training base:
Zhejiang Ocean University believes that the established network laboratory can not only provide an environment for teachers and students of the school to have practical hands-on ability, but also have the ability to provide a training environment for society. Through this kind of characteristic teaching and rich targeted experiment content, the goal of cultivating talents and maintaining the net through the net is achieved.
(4) Enrich the knowledge of teachers and improve the professional authority of in-service teachers:
Since the network laboratory covers the current mainstream network equipment and technology, teachers can systematically study the most cutting-edge technology trends and development directions of the current network, and organically combine theory and practice through the laboratory to write a novel set of textbooks , Publish an absolute authoritative academic report, and establish an expert image in the field of education network.
Ruijie helps the innovation model highlight the practical results of standardization
Through careful planning and multiple demonstrations, the construction plan of the Network Laboratory of Zhejiang Ocean University finally decided to adopt the whole network solution and network equipment provided by Ruijie Networks. The specific network is as follows:
A STAR-S6806 is placed as the main routing switch in the core of the laboratory. RG-S6806 is a fully modular, high-density port Ruijie 10 Gigabit core routing switch. It provides 6 horizontal slot designs and multiple modules. It can be flexibly configured according to user needs and flexibly build a flexible and scalable network. Up to 256G backplane bandwidth and 143Mpps Layer 2 / Layer 3 packet forwarding rate can provide users with high-speed non-blocking switching, and provide hardware support for future 10 Gigabit networks.
The laboratory center also provides a firewall, a set of security authentication and billing software, and a set of network management software. Cooperating with the entire network security experimental experiment, it can meet the overall network comprehensive design, network management, network attack and protection of network security experiments. The need for a series of experiments such as network reconnaissance and anti-reconnaissance.
Considering that each group of the laboratory needs to support 6-8 students on the computer at the same time, each group provides a three-layer intelligent switch S3550-24, two intelligent network management switches S2126G, 2 that support daisy chain stacking, and can divide the bandwidth A modular router R2620 (or router R621) fully meets the needs of the network security laboratory.
Focus on the future construction, and wipe out the demand "one network"
After the completion of the network laboratory, the network platform provided can meet the needs of a variety of application experiments. At the same time, in the built multiple plots, each plot can independently become an experimental group, so that multiple people can experiment at the same time, and the overall economy is achieved. The following are some specific characteristics of the network laboratory:
1. High security: In order to ensure the high security of the local area network, this laboratory uses Ruijie equipment to achieve accurate authentication and identity positioning before the event, real-time processing during the event and complete audit after the event. In addition, a unified network management platform greatly saves network workload and improves network management efficiency. The laboratory has powerful user access control: access to the network is authentication, flexible binding to achieve account roaming. At the same time, it has ultra-high network performance, including maximum distributed authentication and post-authentication bypass to ensure network performance.
Second, high stability: The stability of the laboratory includes three aspects: 1. Equipment stability: the use of ISO9001: 2000 research and development production system, hardware redundancy design to ensure maximum equipment. 2. Available time line stability: The network center and the backup center, the router connection line, and the center and sub-center lines are all guaranteed by a dedicated protocol to ensure stability and maximize the network. 3. Available time service stability: hardware-based load balancing to ensure that the service maximizes available time.
3. Advanced: The core switch supports up to 8 10 Gigabit ports to ensure the advanced nature of the network laboratory. The high switching capacity and line speed switching can ensure large-capacity transmission of various signals when the three networks are integrated into one. In addition, different routing protocols are adopted for different applications to achieve the most optimized transmission effect.
4. Ease of use: The built laboratory topology can be flexibly combined, can conduct multi-regional distribution experiments, or can be combined together to form a large experimental environment. Microcomputer configuration failure reminder, client-free software installation, automatic client software upgrade, all-Chinese culture, and graphics greatly reduce training costs and network management workload. With various network management functions commonly used in e-government networks, to achieve various management requirements of network management personnel. At the same time, it has the function of remote location of network faults, which greatly reduces the workload of network management.
In short, the built network laboratory completely simulates the real use environment, so that the experiment can be effectively combined with the actual environment, which can enable teachers and students to learn more about network knowledge and effectively improve their practical ability.
At present, the network laboratory of Zhejiang Ocean University has been officially put into use, Ruijie network equipment and authentication and billing system are running stably, the whole program has good functions and performance indicators, has extremely high security and reliability, is a complete Cost-effective network laboratory solution. Similarly, school leaders pointed out that the establishment of the Ruijie Networks-Zhejiang Ocean University Network Laboratory has changed the situation in which students often get stuck on paper and solved long-standing problems. The completion of the new laboratory has improved the hardware environment, improved education methods and scientific research conditions, and will undoubtedly greatly promote the school computer education and scientific research level.
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