switches

In the switched Ethernet environment, the communication between the two workstations is not heard by the third party. In some cases, we may need to do such listening, such as protocol analysis, traffic analysis, intrusion detection. For this we can

6509 version Information: Version 12.2 (SXH8A) View device version information, including system run time, Show version View Device Current Time Show Clock View Device module or board information, including module model specification, serial

With the rapid development of the Internet, in the WAN range, people increasingly use N-ISDN remote access, but the early N-ISDN protocol design did not expect to use it for Internet access, this access to the Internet and in the way of modem use

As a professional network administrator not only to ensure the stability of the network, but also to ensure a normal network speed. At this point, I would like to analyze the causes of the slow speed of computer surfing: One is the user's computer,

NET Framework contains many tools that can be used to write the correct program faster and easier. But we have to face this situation: the emergence of bugs. No matter how simple the program is, programmers can make mistakes. In my experience, the

Review Status of this memo This article is a draft of the Internet. The draft Internet is the working document for the Internet Engineering task Force (IETF) and the areas and workgroups it covers. Note that other workgroups can also publish

The filtering service function is used to set boundaries to restrict the forwarding of frames between members of different VLANs and different protocols using a single MAC address and a group MAC address. Frame filtering relies on certain rules that

"Gold-Finance Project" is a "gold", "Gold Guan", "gold tax" and other "gold" word Series project after another large "golden" word project. The construction of the "Financial Management Information Integration System" of a city is to follow the

Do you know the DOS command parameters? For example, the dos dir command parameters, using dir/p will display a screen of directory information after the pause. These parameters are also called switches. Parameters or switches to users with a lot of

On seeing this topic, perhaps readers are dismissive: What are the networking options for the switch? It's all about connecting it to the user's computer. Of course, that is for switches in the entire network location, some high-level switches such

Ethernet switches are expanding their applications to the network core. This is mainly from two aspects: one is that Ethernet switches have the function of routers, not even, there are more than three layers of switches; the second is the maturity

1. Connect the switch console port with the computer serial port 1 with the control line, and connect with the Super Terminal software with Xmodem function; 2. Set the connection mode for the serial port 1 (if the connection is another serial port

The most characteristic of the access layer switch is that it has the flow control function, but it can only carry on the simple speed limit to each kind of flow through the port, the function is not quite complete. Using the grasping Bag tool, the

Along with the technology renewal, the business development, the communication network also must unceasingly carry on the consummation and the development. China Unicom's CDMA network began construction in 2001, opened in early 2002, although the

1 IP Technology Introduction IP storage involves a range of technologies that enable block-level storage data to be transmitted over an ip-based network, which has two technologies to clarify: the use of IP technology and block-level storage. Block-

Now many units have installed the program-controlled switchboard, and the most important part of the program-controlled switchboard is integrated circuit (IC). IC anti-interference ability is low, even if from the line induction Lightning

Win8 can not find the wireless signal solution is as follows: Wireless Internet access requires three levels of Setup to open: physical switches, software switches and wireless services. The wireless LED will not light until the switch is turned on.

Article Introduction: a popular front-end development framework that supports responsive design. A few years ago, there was no real sense of front-end development. With the development of network technology, Web sites and Web applications

Multi-Layer Exchange When I first heard the word third exchange, there was some confusion, followed by the fourth-tier exchange, the seventh-tier exchange concepts are more people to consider. In fact strictly speaking, the exchange means that the

A netizen does not know the cat and the router, the hub, the switch difference between them what is different? Computer knowledge Network for everyone to answer: A cat has at least two ports: one to the telephone line and one to the RJ-45 port