different switches

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Routers and switches

) has the function of bridge and router; A relay system above the network layer, which is the gateway . When a relay system is a forwarder, it is generally not called a network interconnection, because it is just a network expansion, and this is still a network. High-level gateways are more complex and are currently used less. Therefore, the general discussion of network interconnection refers to the use of switches and routers to interconnec

VLAN Technology Used in LAN switches

will be more widely used in network construction, this will play a greater role in improving network efficiency. In fact, a VLAN (Virtual LAN) is a broadcast domain. To avoid broadcast storms caused by broadcasting on large switches, you can divide the networks connected to large switches into multiple VLANs (Virtual LAN ). In a VLAN (Virtual LAN), Information sent from a workstation can only be sent to ot

Overview of LAN switches and switched Ethernet Technology

only communicate with one user at a time, in case of a collision, you have to try again, while the switched Ethernet allows transmission between different users. For example, a 16-port ethernet switch allows 16 sites to communicate between eight links. Particularly in terms of time response, LAN switches are favored. It provides a higher bandwidth and a higher speed than the router at a lower cost than the

Solution for 300 or less Internet cafes with Gigabit Optical Fiber Switches

The solution for handling 300 or less Ge Fiber switches in Internet cafes is analyzed. The solution for Internet cafes with 150 computers is different from that for Internet cafes with 200 computers. The solution for medium-scale Internet cafes is provided below. Internet cafe owners can check their seats and find their own methods. About 150 Internet cafes The network center uses the RHS4616GMS fully-manag

Configuring Telnet logins for routers/switches

[Experiment name]Configuring Telnet logins for routers/switches[Experimental purpose]Learn how to enable Telnet on the switch, enabling remote access to the switch via Telnet.[Background description]Enterprise Campus Network coverage is large, the switch will be placed in different locations, if each configuration switch to the location of the switch site configuration, the administrator's workload will be

Introduction and selection of Cisco 4500 series and Huawei 9300 Series Switches

The Cisco 4500 series with Huawei's 9300 series switches is positioned in the product line of the entire switch product. All belong to the enterprise core-level switch equipment, today the Cisco 4500 series and Huawei 9300 Series as an article, one is that these 2 products are currently in the enterprise application of a very wide range of equipment, whether it is a party (enterprise management) or party B (System integrators) are not unfamiliar. Seco

How to protect the heat of summer programmable Switches

, similar to the "scattered grounding" wiring method, that is, the working ground and the protective ground are all drawn from the ground line, the two switches are not directly connected to the nearest ground, 2. The advantage is that when the lightning current flows through the grounding network, the lightning current flows only vertically. Even if there is a bad contact, it will not cause horizontal interference. Grounding treatment of the switch:

The difference between routers and switches

cured to the network card, which is generally non-changing. The IP address is usually assigned automatically by the network administrator or the system.3, the traditional switch can only split the conflict domain, cannot split the broadcast domain, and the router can split the broadcast domainNetwork segments connected by switches still belong to the same broadcast domain, and broadcast packets propagate across all network segments connected to the s

Main Structure and Application Scope of application layer Switches

transport layer to the application layer is becoming very important. This is the most fundamental reason for the development of the application layer exchange technology. The application layer switch identifies the content by unbinding each layer encapsulation of each data packet and identifying the information of the application layer switch. To solve the problem of distinguishing applications, it is a good way to identify devices by network and forward the corresponding traffic based on

The difference between routers and switches

Bridge (brouter) has the function of Network bridge and router. 5. In the network layer above the relay system, that is, gateways (Gateway). When a relay system is a forwarder, it is generally not called a network interconnect, because it is simply a network extension, and this is still a network. High-level gateways are less used because they are more complex. Therefore, the general discussion of network interconnection refers to the use of switches

Summary of test layer-3 switches

Generally, each port of a layer-3 switch is used to connect to an independent CIDR block. However, to provide faster access speed, you cannot directly connect the input/output ports with different rates, it is also prone to packet loss. We have jointly discussed and developed a test scheme for horizontal evaluation of layer-3 switches, which includes six aspects: physical characteristics, functional feature

Solutions for Gigabit Optical Fiber switches with 500 computers

With 500 computers, the Gigabit Optical Fiber switch solution is required. Internet cafes need to support port mirroring, port aggregation, QOS, and other functions of the Gigabit Optical Fiber switch, to meet different network application requirements. Internet cafes with a large number of computers should also have other solutions. 300-about 500 Internet cafes The network center uses two RHS4624GMS fully Gigabit managed Ge Optical Fiber

Guard against typical spoofing and layer-2 attacks on CISCO switches

the above technologies on CISCO switches to address typical Layer 2 attacks and spoofing, to prevent man-in-the-middle attacks, MAC/CAM attacks, DHCP attacks, and address spoofing in the exchange environment, more importantly, address management can be simplified through the deployment of the above technologies, track user IP addresses and corresponding switch ports directly to prevent IP address conflicts. At the same time, it can effectively trigge

Gigabit L3 switches will be the core of the LAN in the future

Many may not have a special understanding of GE L3 switches. Here we will mainly introduce the future development direction of GE L3 switches. Now, the Internet industry is no stranger to the term "Gigabit Layer 3 Switch". In the construction of medium and large scale networks, mainstream network models with gigabit Layer 3 switch as the core are numerous. As a matter of fact, the emergence of GE L3

Comprehensive Performance Management of wireless switches is king

of Wireless AP. Centralized wireless network management includes configuring and controlling all connected access points, centralized management of user authentication and security policies, and tracking and maintenance during roaming. In addition to the AP quantity management parameter, you should pay special attention to AP management functions such as automatic AP discovery, remote AP restart, illegal AP interception and location. In particular, the identification and positioning of illegal

Comprehensive Performance Analysis of mainstream L3 Switches

There are many things worth learning about layer-3 switches. Here we mainly introduce the performance of mainstream products, the popularity of networks, and the development of enterprises, which make the traditional exchange system more and more overwhelmed, the enterprise's network environment is also subject to certain restrictions. How can we effectively protect the enterprise's network security measures so that enterprise information can be effec

Differences between layer-4 switching technology and other layer Switches

As technology continues to develop and networks naturally become technology leaders, we have to consider layer-4 switches to meet the needs of policy-based scheduling, QoS, and security services, the following articles describe in detail. With the popularization of broadband and the deepening of various network applications, our local network is undertaking heavy business traffic. The amount of transmitted audio, video, data, and other information in

Introduction advantages of fiber channel switches

Fiber Channel switches and all ports will use the same shared bandwidth, resulting in a significant reduction in the bandwidth of all ports when the data volume is large, and there is a high cost effectiveness, more suitable for today's network needs. Mr. Chen Zhihong, channel manager of Brocade Communications Greater China, introduced the SilkWorm205E product and technology to the participants and explained the SAN system applicable to small and medi

Security issues for Ethernet Switches

they receive an ARP request, they immediately send an ARP response, in this way, the data sent by other users will also be sent to the MAC address of the malicious user. These users naturally cannot access the Internet normally. Therefore, the switch should bind the port to the IP address, that is, if the received ARP request, ARP response, and port data are different from the bound IP address, the data can be discarded, otherwise, the network will b

MSTP communication between Cisco and H3C Switches

switches and CISCO switches that are connected do not think that their respective summary information is different even if their domain configurations are the same. MSTP cannot be implemented. H3C MSTP implements intercommunication using the following method: When the H3C and CISCO domain configurations are completely consistent. The configuration digest snoopin

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