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School network construction solution

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[Abstract]:
On January 25, 2017, the General Office of the Ministry of Education issued a notice on the "Key Points of Education Informationization Work in 2017". T

Background analysis

On January 25, 2017, the General Office of the Ministry of Education issued a notice on the "Key Points of Education Informationization Work in 2017". The main content is to basically realize the full coverage of the school's Internet coverage and the full coverage of the network teaching environment. The access bandwidth is above 10M. The proportion of schools reached 70%, the proportion of multimedia classrooms in ordinary classrooms reached 80%, and the proportion of schools equipped with multimedia teaching equipment in ordinary classrooms reached 60%, promoting the construction of digital campuses and smart campuses. Nowadays, the full coverage of school Internet has become a trend of school development.

 

Demand analysis

(1) Network speed and network stability issues.

At present, the wireless campus network needs to ensure that each user has a fast Internet access and does not drop the line, while ensuring that teachers and students are connected to the Internet and access the Internet safely.

(2) The signal has no dead angle and does not cause interference.

In the design process, it is necessary to consider the differences in different teaching environments to ensure that the wireless network is unblocked.

(3) The wireless campus network should support various types of terminals.

With the increase in the number of wireless devices with mobile functions, it is necessary to fully consider the smooth access of mobile terminals such as notebooks, various mobile phones, and iPads in the design process of wireless campus networks.

(4) There are many types of equipment, which is difficult to manage and maintain.

For the campus wireless network administrator, the convenience of equipment maintenance management should be fully considered in the process of designing the wireless campus network. For example, unified online management of devices.

(5) Network scale (2000-4000 people).

 

Network design

1. Background analysis

On January 25, 2017, the General Office of the Ministry of Education issued a notice on the "Key Points of Education Informationization Work in 2017". The main content is to basically realize the full coverage of the school's Internet coverage and the full coverage of the network teaching environment. The access bandwidth is above 10M. The proportion of schools reached 70%, the proportion of multimedia classrooms in ordinary classrooms reached 80%, and the proportion of schools equipped with multimedia teaching equipment in ordinary classrooms reached 60%, promoting the construction of digital campuses and smart campuses. Nowadays, the full coverage of school Internet has become a trend of school development.

2. Demand analysis

(1) Network speed and network stability issues.

At present, the wireless campus network needs to ensure that each user has a fast Internet access and does not drop the line, while ensuring that teachers and students are connected to the Internet and access the Internet safely.

(2) The signal has no dead angle and does not cause interference.

In the design process, it is necessary to consider the differences in different teaching environments to ensure that the wireless network is unblocked.

(3) The wireless campus network should support various types of terminals.

With the increase in the number of wireless devices with mobile functions, it is necessary to fully consider the smooth access of mobile terminals such as notebooks, various mobile phones, and iPads in the design process of wireless campus networks.

(4) There are many types of equipment, which is difficult to manage and maintain.

For the campus wireless network administrator, the convenience of equipment maintenance management should be fully considered in the process of designing the wireless campus network. For example, unified online management of devices.

(5) Network scale (2000-4000 people).

 

Network design

1. Background analysis

On January 25, 2017, the General Office of the Ministry of Education issued a notice on the "Key Points of Education Informationization Work in 2017". The main content is to basically realize the full coverage of the school's Internet coverage and the full coverage of the network teaching environment. The access bandwidth is above 10M. The proportion of schools reached 70%, the proportion of multimedia classrooms in ordinary classrooms reached 80%, and the proportion of schools equipped with multimedia teaching equipment in ordinary classrooms reached 60%, promoting the construction of digital campuses and smart campuses. Nowadays, the full coverage of school Internet has become a trend of school development.

 

2. Demand analysis

(1) Network speed and network stability issues.

At present, the wireless campus network needs to ensure that each user has a fast Internet access and does not drop the line, while ensuring that teachers and students are connected to the Internet and access the Internet safely.

(2) The signal has no dead angle and does not cause interference.

In the design process, it is necessary to consider the differences in different teaching environments to ensure that the wireless network is unblocked.

(3) The wireless campus network should support various types of terminals.

With the increase in the number of wireless devices with mobile functions, it is necessary to fully consider the smooth access of mobile terminals such as notebooks, various mobile phones, and iPads in the design process of wireless campus networks.

(4) There are many types of equipment, which is difficult to manage and maintain.

For the campus wireless network administrator, the convenience of equipment maintenance management should be fully considered in the process of designing the wireless campus network. For example, unified online management of devices.

(5) Network scale (2000-4000 people).

 

3. Network design

 

4. Program characteristics

● The device is scenario-based wirelessly deployed to provide optimal wireless effects.

● Support real-name authentication, temporary visitor authentication, and secure access;

● Support a variety of behavior management to ensure that teachers and students are connected to the Internet;

● Support online cloud management, unified AC management, and convenient equipment maintenance;

● Cost-effective, saving equipment and labor costs.

 

5. List of related equipment

 

Name

Model

Description

Gateway

KN-MAC2000

● 19-inch iron shell, 10 Gigabit carrier-class router;

● Quad-core high-performance network processor with a frequency of up to 2.6GHz and 4G memory with a capacity of 2,000 or so;

● Built-in power supply, solid capacitor, lightning protection design, support 1614400 links, AP load capacity is 512, using dynamic bandwidth management function, as long as the actual bandwidth is set, you can easily solve BT, Thunder, eDonkey, QQ live Waiting for P2P to occupy bandwidth problems;

● Supports intelligent QOS, supports 200 VPN tunnels, supports USB storage, and also supports WEB, PPPoE authentication, ARP binding Internet access, supports network advertisement function, and timely announces various information of the cell to match the cloud billing system;

● Support smart WiFi marketing system, can customize wifi authentication page, will bring great convenience to managers, is the best choice for enterprises and community customers.

Core switch

KN-S10-5324XGMF

● 19-inch standard rack-mount, 24-port core switch;

● 8 Gigabit adaptive electrical ports, 15 10 Gigabit optical ports, 1 Gigabit optical port, 1 Console management port, and 1 MGMT management port;

● Support IEEE802.3ab/x/ae, support 32K MAC address table; support up to 4094 port-based VLANs;

● Provide DOS, distributed denial of service, spoofing and virus defense, backplane bandwidth: 320Gbps;

● Intelligent configuration management, high-performance communication chip, high-quality power supply, providing fast and stable network solution for Internet cafes

Core switch

KN-S10-3050GTMF

● 19-inch standard rack-mount, 48-port 10 Gigabit managed switch;

● 48 Gigabit Ethernet ports, 2 10 Gigabit SFP+ optical ports, and 1 console port;

● Support IEEE802.3ab/z/ae, support 32K MAC address table, backplane bandwidth: 208Gbps;

● Supports port-based VLANs; supports 32 groups of aggregations, each group supports up to 8 ports; supports different virus defenses and Layer 2 to Layer 4 security filtering;

● Intelligent configuration management, high-performance communication chips, and high-quality power supply provide fast and stable network solutions for Internet cafes.

POE switch

KN-S1128FPE

● 19-inch standard rack-mount, 28-port 100/Gigabit POE power switch

● 24 100M electrical ports (POE power supply) + 2 uplink Gigabit electrical ports + 2 uplink Gigabit optical ports

● Support IEEE802.3af/IEEE802.3at, single port power supply up to 30W;

●Intelligent power management, port intelligent start, POE MAX detection

●Transmission distance one-key switching, the maximum transmission can be 250M, VLAN isolation, suppress network storm

● Backplane bandwidth: 12.8Gbps, the maximum POE power supply of the whole machine is 400W

Wireless AP

KN-WM100CH

● Qualcomm solution, high power ceiling AP, 2.4G 300M;

● 2 *10/100M RJ45 ports;

● Built-in omnidirectional antenna;

● Shell fireproof material: 168mm*168mm*46mm;

● Power up to 500mw (software adjustable), support standard Poe and 12V 1A DC power supply;

● Support cloud platform certification, marketing and AC unified management;

● Access users 30-40.

Wireless AP

KN-WM750H

● Qualcomm solution, high-power dual-frequency ceiling AP, 2.4G/5.8G 750M;

● 2 *10/100M RJ45 ports;

● Built-in high gain antenna;

● Shell fireproof material: 172mm*172mm*50mm;

● Power up to 500mw (software adjustable), support standard Poe and 12V 1A DC power supply;

● Support cloud platform certification, marketing and AC unified management;

● Access users 50-70;