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Background analysis

With the continuous acceleration of urbanization construction in our country, the degree of residential commodification and community development has unprecedentedly increased. The concept of intelligent communities, mainly consisting of broadband information network construction and intelligent community management construction, is gradually gaining widespread recognition. For various broadband network service providers, community broadband services have become one of the core sources of revenue and are still growing rapidly. At present, there are three main types of broadband implementation technologies in residential areas, namelyDSL (Digital User Line Technology), HFC (Cable TV Line Technology), andthinX+LAN (Ethernet technology), corresponding to the basic networks of telephone line network, cable TV network, and Ethernet. of whichthinX+LAN technology asthinThe transition plan before the implementation of H (fiber to the home) adopts fiber to the community/building, and then uses twisted pair Ethernet to achieve user access inside the community/building, perfectly solving the "last mile" access bandwidth problem. It can not only meet the requirements of high-speed Internet access, IPTV, VoIP and other services, but also has good manageability, and has a bright application prospect.New communicationThe company complies withthinThe development prospects of x+LAN technology are promising, and in response to the practical application needs of community networks, we have successively launched corridor series switches, layer 2 network management series switches, and more based on existing Ethernet productsLYA series of high-performance router products are integrated to create a solution suitable for broadband access networks in residential areas.

requirement analysis

1. The corridor switches accessed by users need to be isolated from each other

2. Flexible and effective bandwidth allocation and control measures are required

3. Deploy AAA (authentication, authorization, billing) system at the exit of the network

4. Set up movie and music servers on the intranet

5. It is necessary to have attack/virus defense functions to prevent the spread of ARP spoofing, DoS/DDoS attacks, Trojan programs, etc. within the network

6. Network devices themselves have good lightning protection capabilities to maximize the protection of user investments

7. Simple network management, easy upgrade, and strong scalability

scheme design

network topology

Program features

Powerful data processing capabilities

Egress RouterXJJ-LYThe 6520G adopts a dual core 64 bit network dedicated processor with excellent data forwarding capabilities; The core switch provides 24 Gigabit RJ45 ports, 4 independent Gigabit SFP (mini GBIC) fiber module expansion slots, and the aggregation switch provides 24 100M RJ45 ports, 4 Gigabit RJ45 ports, and 2 shared Gigabit SFP fiber module slots. All ports have Gigabit/100M line speed switching capabilities, making fiber optic connections convenient; The access switch has a 100Mbps line speed switching capability, which can meet the user's demand for access bandwidth.

All users throughVLAN isolation, prohibiting data transmission between users to prevent virus transmission

Core and aggregation switches support a wide range ofVLAN type, convenient for regional division and management of large networks; The access switch supports Tag VLAN, MTU VLAN, and Port VLAN functions, with default support for MTU VLAN (Port Isolation), which can achieve mutual isolation of all users in the community at the network access layer, avoiding ARP attacks, virus propagation, and protecting user information security.

Flexible and effective bandwidth management

Export routers support based onThe bandwidth management function of IP and support for connection limit can prevent P2P applications such as BT and Thunder from abusing bandwidth; The access switch supports port speed limiting function, supports setting 6 bandwidth levels between 256kbps and 8Mbps, and can allocate bandwidth to users at the network access layer.

High network security

Egress RouterXJJ-LYThe 6520G is equipped with powerful attack protection functions, which can effectively resist ARP attacks and various common DoS, scanning, and suspicious packet attacks; Both the core and aggregation switches have powerful security features, supporting common ARP attack protection, DoS attack protection, and MAC address flooding protection; The core switch supports powerful ACL policies, which can effectively suppress the spread and proliferation of the latest viruses such as Trojans and worms in the internal network, comprehensively protecting the LAN from network attacks.

802.1X authentication

Core switches support based onThe 802.1X authentication of MAC address and port can easily set up an authentication server to achieve secure authentication of access users.

Support remote and unified management of devices

Core and aggregation switch supportMultiple management methods such as Web, CLI, SNMP, etc. provide system logs and various line detection methods, with good management and maintenance characteristics; The access switch supports remote management through free client software. Specifically, this free software supports unified management of multiple devices, saving a lot of work on configuring each device separately.

Multi business carrying capacity

Core and aggregation switches support port basedIEEE 802.1p and DSCP offer three priority modes, providing four queue scheduling algorithms: Equ, SP (Strict priority), WRR (Weighted Round Robin), and SP+WRR. Each port has four output queues, which can map messages of different priorities to different output queues, ensuring priority processing of critical business data and meeting the basic network requirements of different businesses. At the same time, the core switch provides 24 Gigabit RJ45 ports for easy installation of internal network servers.

Core switches support based onThe 802.1X authentication of MAC address and port can easily set up an authentication server to achieve secure authentication of access users.

Equipment lightning protection

The access switch has been designed with lightning protection reinforcement for the upstream port, which can greatly reduce the probability of equipment being damaged by lightning strikes and save user investment.

Support wireless coverage and video surveillance

Convenient access to wireless access points in the network（AP devices enable rapid deployment of wireless networks to meet the mobile internet needs of residents; Video surveillance can also be achieved by connecting network cameras to the network.

Product recommendation

Successful Case: WLAN Wireless Network Coverage Project in Jinrong Zhengfengli Community

Green Capital Community WLAN Wireless Network Coverage Project

Country Garden Phoenix Bay Community WLAN Wireless Network Coverage Project

Zhengshang Jinyu Shijia Community WLAN Wireless Network Coverage Project

New Communication Service Area——Henan Province：