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Many new client/server applications and the advent of multimedia technology, resulting in traditional shared network is far from satisfying the requirements, which also promote the emergence of LAN switches. 1, the definition of the switch The LAN

Problem My unit has an IBM DS400 disk array, received an IBM server, from my computer can see that there are two large-capacity partitions, but once in a while (may be a power outage), do not see one of the large capacity partitions, suspected of a

A hospital DCOM Imaging system storage, IBM ds3200,12 block 300GB SAS hard Drive, RAID5, Hot-spare, divided into two groups of logical driver, capacity of 2TB and 1.3TB, storage data volume of about 1TB. Due to cluster system (dual-machine) failure,

First, the network environment: The company uses the 3500 series (Specific model 3548) switch, which is connected with a Huawei 2621 router on the switch, through the telecommunications of fiber-optic internet. Because you forgot your password, you

First, let's start with a simple understanding of the differences between switches and hubs. The hub uses the shared bandwidth of the work, simple for example, the hub is like a one-way street, "10M" bandwidth is used in multiple ports, when a port

In recent months has been suffering from the "broadband access" peak time, slow speed, playing game card pain, coordinated several times without fruit, hot weather also lazy trouble, and finally bought Unicom's online card. What is the meaning of

With the rapid development of wireless technology, the home wireless network has been developed from 802.11b 11Mbps to 802.11g 54Mbps, and a lot of personal users with special requirements for wireless coverage and transmission speed have adopted

In recent years, with the hundred trillion, gigabit, even the gradual popularization of gigabit LAN, broadband LAN, and even wide range of bandwidth network applications, driving the development of the exchange technology. Enterprise applications,

Case one: User host location In the morning of Monday, network administrators received a lot of complaints from users after work. The network administrator detects the routing of its port and finds bandwidth congestion. Since there is no WAN

VOD is a new type of network media in recent years, which is the product of multidisciplinary and multidisciplinary integration of computer technology, network communication technology, multimedia technology, TV technology and digital compression

Routers are the basic equipment of metropolitan area network, WAN and Internet, it connects the remote network of computer in a certain area, and forwards the packet according to the IP address of the third layer of the OSI Reference Model. The

Prerequisites for successful VOD systems and servers: 1. The network system should be designed so as to avoid network traffic congestion. 2. High-performance switches are tightly integrated with servers, storage systems, backup systems, software,

Microsoft Word users are said to have used only 10% of the software's functionality, as well as those who manage the corporate LAN switches and routers. This situation causes the enterprise to pay the unnecessary purchase and the human cost. An

If you spend some time in your local computer shopping district, you must have seen many of the pre-n and Draft-n wireless products that have been hastily launched. Before you rush out of your wallet to buy these new products, it is recommended that

"Wireless network communication" has been regarded as the representative of High-tech technology, but also many people think that a small number of rich can enjoy the special services. In fact, the rapid development of the IT industry, the increase

The distance Education network of Tsinghua University consists of 1 MCU (ZXMVC8800) and 16 terminals (ZXMVC4000). Yunnan University and Yuxi, Yunnan, adopt ZXMVC4030 (V.35 Interface) terminals and connect with Tsinghua University via satellite link.

For the school network, we face most of the situation is the same floor, then if the students on different floors to achieve wireless interconnection, it means that the need for more reasonable networking, more appropriate placement and performance

Nowadays, many operators have a headache for abnormal traffic attack, which is a serious challenge in the telecom field. Telecom operators should construct the prevention system of abnormal flow. The prevention work is an important work within the

Computer network failure is unavoidable. Network fault diagnosis is an important work of network management. Generally when the network occurs information is not available, can not browse the Web, and other connectivity failures, the phenomenon is

The switch is not designed to be used as a security device, and its function is still to improve network performance. If the switch is to be part of the security mechanism, if the switch is to be properly configured first, then the manufacturer of