switches

Three-layer switch compared to routers in a large LAN, this function is perfect, to master the three-layer switch is very helpful, but now some manufacturers of switches can also directly connect the Internet to provide router capabilities.

In this article, small knitting and readers to talk about Rspan technology, this technology small series like Ah, for a network management personnel, in order to ensure intranet server security, you can not keep a bunch of servers every day, Rspan

Although global network security experts are investing in the fight against Dos attacks, they have little effect because Dos attacks exploit the weaknesses of the TCP protocol itself. Set up on the switch and install specialized DOS identification

Link Aggregation (linkaggregation) is the "bundle" of physical link sections with the same transport media type, the same transmission rate, logically looking like a link. Link aggregation, also known as a relay (trunking), allows peer-to-peer

Recently opened the route for a new internet café, the Internet Café administrators ran to ask me, Internet cafes in the computer interconnection of the selected cable (hub) Good or switch good, Cisco's switch is not the best. People often say that

Along with the rapid popularization of the network, the "figure" of the switch is also beginning to appear in many ordinary personal user families. However, many home users in the selection of switches, tend to focus on the expansion of the switch

The expansion of enterprise scale has created the continuous expansion of enterprise network scale, many enterprises in the expansion of the network scale used in the original network directly to increase the computer method to achieve, followed by

Large home computers can be heard, switches and routers, routers have been seen and used, the switch does not know what kind of thing, this article mainly explain the difference between the two. Limited home routers, corporate routers you can not

Switch buttons are often used in app development. The display effect is as follows: It is also simple to implement in Jqmobi. To implement the effect code above: Remember password

The architecture of the router From the view of architecture, routers can be divided into first generation single-bus single CPU router, second generation single bus CPU router, third generation single bus symmetric multi CPU structure router,

As we all know, through the "Ctrl+space (space bar)" key combination can be in the Chinese and English input method State of conversion, which than through the mouse pointer to the input indicator to choose more convenient. In the process of working

On the issue of protocol converters we have said a lot, but also to promote the development of routing technology, now, network construction has been in-depth to the various branches of the industry, such as the power industry, such as rural power

A. About stacking technology: How does the 1.Catalyst 3500XL/2900XL stack be implemented? A. Special tiered cabling is required, 1 m long or 50 cm long (cab-gs-1m or cab-gs-50cm) and a dedicated gigabit stacked card Gigastack GBIC (WS-X3500-XL)

1. VLAN: Virtual LAN, is the logical combination of switch ports, VLAN work in the second layer of OSI, a VLAN is a broadcast domain, the communication between the VLAN is through the 3rd layer of routers to complete. 2. VLAN Advantages: Broadcast

1. Ethernet is initially based on coaxial cable. 1972 Invention, 1979 Xeroxinter and Dec presented Dix edition. 2. In 1983, the IEEE802.3 standard was presented. 3. CSMA/CD communication process, transmission-monitoring-jamming-random

Internet café Industry competition intensifies, there are some large scale of internet cafes. At present in the Internet café industry, more than hundred of Internet cafes have been everywhere. As Internet cafes in the network construction, the lack

css| Tips | web | Style sheet styles and data separation bring more than just the standard, and since the style is separated from the data, the style switch is taken for granted! But there are so few Chinese tutorials on the internet! So I collected

How the ICMP ping test works Ping is a dedicated IP network tool that Ping sends an ICMP echo request message to the destination and reports whether it receives the expected ICMP echo response. Each operating system has the Ping tool installed, and

Password Recovery for Cisco switches 1, hold the modem key, power, to enter the console after release: switch: 2, loading flash_init file initialization: Switch:flash_init 3, view the files in Flash: Switch:dir Flash: 4, rename the configuration

Today, a colleague asked, the home computer can not surf the internet, look at the local connection where there is an exclamation point, prompted local connection restrictions how to do . Because I don't know how his family's Internet access,