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Vswitches play an important role in the enterprise network, usually the core of the entire network. In the network era where hackers are intruding into the cloud and the virus is raging, the core switch also takes responsibility for network security.

Find the root cause: Solve the Problem of switch blocking. Recently, the switch blocking has been favored by many friends. Let's take a deeper look at the problem of switch blocking today! We are surprised that the Network Worm rate switch is

This configuration only requires that IPv6 be installed on at least two nodes in the same CIDR Block (that is, a link or subnet) without an intermediate router. Displays the configurations of two nodes on a single subnet that uses the local link

OSPF currently uses version 2, which can adapt to large-scale networks. Because OSPF does not have the limit on the number of RIP hops, and the concept of regions is introduced to be larger than the network size supported by VPN. OSPF has been

The processing speed of the switch itself can reach a very high level. Users are often superstitious about the Gbps-level high-speed backplane. In fact, this is a misunderstanding. The network used by workstations or servers connected to the access

Dynamic Routing varies with the network operation. The router automatically calculates the optimal data transmission path based on the functions provided by the routing protocol, and obtains the dynamic route table. Based on the Routing algorithm,

The soft decision does not make a decision. It only provides information on speculation and credibility, so that subsequent algorithms (such as the Viterbi algorithm) can be further processed and comprehensively determined based on other information.

UDP is a non-connection-oriented, unreliable, unordered, and traffic-free transport layer protocol. Each datagram sent by UDP is a record-type datagram, the so-called record-type datagram is the record boundary that the receiving process can

1. Introduction To make protocol software generic and portable, protocol software writers will not fix all the details in the source code. Instead, they parameterized the protocol software. In this way, the same compiled binary code can be used on

OSPFUse5Different packet types. Each type is used to support different, dedicated network functions. This5Type: · HELLOPackets(Type1).·Database description message(Type2).·Link-Status Request Message(Type3).·Link-Status update

The current network structure is quite complex, and more mobile terminals are added to the network. Then, the wireless wlan ap can be upgraded in time to meet new requirements. Previously, 802.11a/B/g WLAN was only used for basic connections: to

WMNThere are two main methods to study networking technology. One is to carry out the research work by using the simulation method, for example, based on the NS-2 and OPNET simulation software, establish the WMN network protocol model and service

Today, more and more products are joining the wireless family. Laptops, mobile phones, cameras, projectors, and other devices have become one of the indispensable office and communication devices, it is precisely because of its high mobility that

Wireless Network CardAndWireless Network AdapterThese two concepts are often confused by many novice users, and some sellers sometimes cannot figure out these two devices during sales promotion, when introducing such devices, we often confuse the

Immunity SILICA wireless kit is a lightweight, hand-held wireless penetration testing product produced by ImmunitySec. it tests the network with a unique test tool, supports 802.11a/B/g/n networks and Bluetooth-based Ethernet networks. I was lucky

Editor's note: Lisa Phifer is vice president of Core Competence, a consulting company focusing on leading network technologies. She has been designing, implementing, and evaluating network and security products for up to 25 years. During her work at

We all know that the amount of information is determined by the frequency of electromagnetic waves. The narrower the frequency, the longer the transmission distance, the smaller the loaded data. The wider the frequency, the shorter the transmission

In general, the 802.11 series of wireless network products have good compatibility, and most wireless network adapters and wireless routers do not have compatibility issues. But for the sake of stability, we recommend that you use the same brand of

Wi-Fi signals are invisible in reality. Therefore, it is difficult for people to use their senses to determine which signal is strong or weak. Recently, an Australian art architect created a Wi-Fi signal model in the form of art, which roughly

WLAN operation has multiple authentication methods, but the most common method is to pop up the Portal logon page. That is, the user searches for the AP of the carrier, connects to it to obtain the IP address, opens the browser, and enters the