Purchase of high-quality and inexpensive layer-3 Switch (1)

We know that the core part of a network is the key to the entire networking, and many enterprises have chosen layer-3 switches as the core of the entire network, A layer-3 switch is a common vswitch with a route function added. Do not underestimate the added routing function of a layer-3 Switch. When a layer-3 switch is added with the routing function, VLAN division can be implemented to prevent network broadcast storms. Although the router can also implement VLAN division, however, after VLAN division, the performance of routers cannot be guaranteed, especially in large networks. The performance of layer-3 switches is very powerful. With the routing function, VLAN division and large-scale computer connection can be well completed. At the beginning of its appearance, layer-3 switches were very expensive, causing many small and medium-sized enterprises to not have enough funds to buy layer-3 switches. However, over time and the maturity of layer-3 switch technology, the price of layer-3 switches has also begun to be lowered. At present, there have been several layer-3 switches of about yuan. The appearance of these low-price layer-3 switches means that small and medium enterprises can also build high-performance networks. Of course, these tens of thousands of layer-3 switches can be used not only as the core of small and medium-sized enterprise networks, but also as the aggregation layer Switches of large enterprise networks. In a large enterprise network, a general structure is a network center with network access from multiple departments. The network center is generally composed of high-performance switches, however, to ensure high performance and not invest too much money in the Department network, it is necessary to use a layer-3 Switch of tens of thousands of yuan as the core of the Department network, low-cost, tens of thousands of layer-3 switches can also be used as aggregation switches for large enterprise networks.

So what are the characteristics of a layer-3 Switch with tens of thousands of yuan?

First of all, tens of thousands of layer-3 switches out of cost control, usually not all gigabit switches, generally only provide 10/100 Mbps adaptive RJ-45 interface, however, a layer-3 Switch of tens of thousands of yuan does not completely support Gigabit ports. After all, a layer-3 Switch of tens of thousands of yuan needs a very high performance as the core of a small and medium-sized enterprise network and the convergence of a large enterprise network, therefore, the expansion module is usually used to provide Gigabit ports, but some layer-3 vswitches of tens of thousands of yuan also have Gigabit ports, but the number is limited. Some high-performance Layer-3 switches generally have full Gigabit interfaces and can connect to 10-Gigabit networks.

Second, the performance of layer-3 vswitches of tens of thousands of yuan is reduced. Generally, the bandwidth and packet forwarding rate of these layer-3 vswitches are not very high. The bandwidth of a layer-3 Switch at this price generally does not exceed 15 Gbps, but there are also a few exceptions. The packet forwarding rate of a layer-3 Switch with a million yuan level is also within 10 mpps.

The last step is the scalability. The high-performance Layer-3 Switch has a very strong scalability, which is also to meet the needs of large enterprise networks, and the scalability of layer-3 switches of tens of thousands of yuan is limited.

Based on the above understanding, I believe that everyone has a certain understanding of the three-tier switch with a million yuan level. To make it easier for users to purchase layer-3 switches of tens of thousands of yuan, we have selected several products for the itworld network channel. We recommend this product to you and hope to help users buy layer-3 switches of tens of thousands of yuan.

Youxun network DES-3326

DES-3326 is a network company launched a network management Gigabit smart L3 switch, the switch provides users with 24 10/100 Mbps RJ-45 interface and 1 expansion slot, through this expansion slot, you can connect to the two modules provided by youxun network with 1 Gbit/s ports to connect to 1 Gbit/s networks. The vswitch has a 6.6 Gbit/s no-blocking backboard bandwidth and a packet forwarding rate of Mpps. It is suitable for use as the core of Small and Medium networks and as a convergence of large networks.

The DES-3326 switch supports the priority queue and QoS mechanism, the priority queue function can be queuing based on the importance of data exchange, the priority of important data exchange; QoS mechanism in the case of insufficient network bandwidth, allocate sufficient bandwidth to key services to ensure normal operation of key services. The vswitch has the port aggregation function. It can aggregate up to eight 10/100 Mbps ports into one port, and the aggregated port has very powerful performance, this function is mainly used by users who require high-bandwidth ports and do not want to invest too much money. The main application of this function is VLAN division, which requires aggregation links, however, aggregation links have very high bandwidth requirements. Through the port aggregation function, a high-bandwidth port can be provided. Because the vswitch is a network management switch, the vswitch supports SNMP management and RMON monitoring, and also supports port mirroring, the administrator can manage and configure the vswitch and monitor the network connected to the vswitch. The DES-3326 switch also provides the traffic control function, supports VLAN division, and provides redundant power interface.

Comments: The Performance of the switch in the tens of thousands of layer-3 switches in the general performance, although this switch provides 24 10/100 Mbps adaptive RJ-45 port, but the support of expansion slots is relatively small, therefore, the expansion of the gigabit port of this vswitch is limited. However, it is worth mentioning the price of this vswitch. After all, there are very few layer-3 vswitches with 8800 yuan.

Youkang UGS-7324RS

Youkang is an emerging network equipment manufacturer. The company mainly manufactures five series of products: high-performance network cards, full range of network switches, broadband routers, wireless products, and digital communication products. UGS-7324RS is a three-layer switch launched by youkang company, this switch has a comprehensive layer-2 switching function and powerful layer-3 routing function, can be used as the core of Small and Medium networks and the convergence of large networks. The vswitch has 24 10/100 Mpbs adaptive ports and 1 Gigabit expansion slot. You can purchase different types of Gigabit modules provided by youkang to achieve the function of connecting to a gigabit network. The UGS-7324RS has 15 Gbps non-blocking back-board bandwidth, in the layer-2 switch, the packet forwarding rate reaches the line speed value of Fast Ethernet; As a layer-3 switch, the packet forwarding rate reaches 6.6 Mpps, it provides a high-performance platform for enterprise networking.

In full duplex mode, the UGS-7324RS provides IEEE 802.3x traffic control function. In half duplex mode, Back Pressure traffic control function is provided, which can reasonably allocate network bandwidth for users in the network and effectively use network resources. This vswitch supports port aggregation, which can achieve aggregation of up to 8 10/100 Mbps ports, and increase the bandwidth of a port. This switch supports VLAN division. After VLAN division, it effectively prevents broadcast storms. This switch supports 256 static VLAN entries and 4094 dynamic VLANs. UGS-7324RS supports IP multicast, QoS, packet filtering and port binding, IGMP listening (Snooping), remote network monitoring RMON, Port Mirroring, supports various functions such as billing and AAA authentication.

Comment: the performance of this vswitch is quite satisfactory, and its functions are very rich. Although the brand effect is not as big as that of Huawei or Cisco, the price of this vswitch is RMB 9200, it is definitely suitable for some enterprises.