Lan exchange technology can also be called layer-2 Switch Exchange Technology, the content mainly includes the working principle of Layer 2 switching, network loops, and how to use the Spanning-Tree Protocol to solve Network loops, VLANs, and VTP technologies, this article mainly introduces the working principle of L2 switches and the dangers of
Virtual switches in Hyper-V if you have studied VMware virtualization, the virtual switches in them are fundamentally different, so let's briefly talk about the three virtual switches for Hyper-V network virtualization.For child shoes that are just touching hyper-V, a virtual switch may make you feel a bit more headache, first of all, Hyper-V will not bring any created virtual switches and virtual
to divide the campus network into two parts, so as to avoid violations of core servers on the Intranet. Considering the large number of network devices, the structure is more complex, the same vendor's network management can perform more detailed management of devices, enhancing the reliability of network applications
The rapid development of wireless networks brings about more expanded network space. In a wireless network, a large wireless network will certainly have a wireless switch, so let's analyze the outstanding advantages of the wireless switch function. See what skills it has.
Th
.) legitimate users can reasonably use network resources, prevent legal users from unintentional, intentional, or malicious attacks on the network (such as malicious download of BT), prevent a large amount of consumption and possession of network bandwidth resources, Block network outlets, and make normal office teachi
Broadband Network switches are quite common, So I studied how to correctly select a broadband network switch. Here I will share it with you, hoping it will be useful to you. The storage and forwarding technology requires the broadband network switch to decide how to forward
White Box switch: three methods for network programmability (1)
Even the most demanding IT professional, one word will attract his attention: cost saving. When there is a white box switch in the market-that is, a kind of consumer switch hardware that is pre-installed with a third-party
function of circuitous routing and avoid the circuitous routing dead loop, the node switch in the network should have the function of fixed stepless route selection and traffic control. At the same time, in order to further improve the utilization and the rate of the circuit, the dynamic and DC1 routing function should be introduced in the main plane. But in the DC2 plane, the
In addition to connecting to the same network type, the network management switch can support switching between ports at different speeds to ensure the collaboration between high-speed ports and low-speed ports, the following is a study.
Vswitches are the most important network connectivity devices in Lan. Most LAN man
whether a network loop occurs on the specified communication port. Once the loop monitoring function is enabled on the specified Ethernet communication port, the switch device can automatically and periodically scan and monitor all communication ports to determine whether the communication port has a network loop. If a switc
The core switch is currently the most commonly used networking device, and its security performance is also good. However, improper use may also cause some problems. There are blue sky and white clouds on the Internet, there is also a hidden underflow, if you do not pay attention to it, a variety of network viruses may be "not please come ". In the event of a network
Three switch congestion factors that cause slow network speeds. Many switch congestion problems are related to terminal computers, therefore, you must first understand the basic knowledge of terminal computer factors to prepare for future switch congestion.
Eliminate terminal computer Factors
At first, my friends suspe
Program-controlled switches are quite commonly used. So I studied the different features of the virtual network service and program-controlled switches. I would like to share them with you here and hope they will be useful to you. The virtual network service can be provided, and the programmable User Switch or group phone number can be provided. The Programmable
After the switch system is restarted successfully and the VRP platform software has been updated, it is necessary to carefully and carefully maintain the updated software, next, let's give some comments and opinions on the switch system.
As a core network terminal in a LAN, maintaining the switch system becomes very im
with the concept of session hijacking, it was still 2, that was 2001 ~ 2002. At that time, hubs were still quite common ).
Another serious problem is that if a large local area network, such as 500 machines, is connected to all the HUB machines, what will happen ?? Very slow, with poor network efficiency! Why? If 500 machines send a packet, each machine needs to receive about 499 useless packets... and if
The competition in the internet cafe industry has intensified and some large Internet cafes have emerged. At present, more than Internet cafes are everywhere in the internet cafe industry. Due to the lack of professional network technical support during the network construction of Internet cafes, the network faults of Internet cafes occur frequently. Among the
In a switched network, how do you decide where to start looking for problems? It is very difficult to delve into the "perspective" of a switched network. First of all, in the 2-tier exchange or bridge forwarding, but to the 3-tier exchange has more advanced features and forwarding rules, such as VLANs.
To the 4-tier exchange, it is more complex, there are more advanced forwarding and load balancing technol
We all know that the rich and advanced features of the Gigabit stackable smart Network Management Switch bring more robust security, higher QoS and high availability, and bring more convenience to users. Stackable smart network management switches enable small enterprises to have advanced functions available on more expensive and complex fully-managed stack switc
for remote connection in a wide area network. In fact, frame relay technology is still a network connection technology. As long as the network administrator master the key points of its management, he can still easily face it. Specifically, you need to master the following four key points when managing frame relay.
1. Master the management and configuration of l
The switch occupies an important position in the enterprise network, which is usually the core of the whole network. In this era of hacker intrusion and virus-ridden network, as the core of the switch is also taken for granted a part of the responsibility of
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