A tiered switch is a type of switch. According to the design, the switch can be stacked on top of the other. This switch is different from a rack switch and can be placed in a network cabinet or separately. The functionality of a tiered
The maximum rate of Ethernet switch stack is faster, Which is multiple times faster than the port rate of the switch. Not all switches support Ethernet switch stack, when the number of ports that a single switch can provide is insufficient to meet the requirements of the network computer, more than two switches must pr
The layer-4 switch inherits the features of the layer-3 Switch and adds other features. Here we analyze the basic knowledge and Principles of the layer-4 switch, and the development of the Internet is always changing. In recent years, with the popularization of Mbit/s, Gbit/s, and even Mbit/s LAN, the wide application of Broadband LAN and even Bandwidth WAN has l
In such an information society, the role of the soft switch technology is gradually emerging, mainly in three technology-integrated network architecture, not only the next generation network needs to include the soft switch technology, not necessarily all require the use of soft switch technology.
Obviously, the true meaning of the next generation network require
This article introduces several representative products recommended by the layer-4 switch technology. This article is divided into three parts: What is the layer-4 switch? The technical principle of the layer-4 switch is recommended.
The development of the Internet is always changing with each passing day. In recent years, with the popularization of Mbit/s, Mbit/
Asp tutorial. net switch statement usage (C, C #)A switch statement is a control statement that processes multiple choices and enumerations by passing a case statement to the body.Int caseSwitch = 1;Switch (caseSwitch){Case 1:Console. WriteLine ("Case 1 ");Break;Case 2:Console. WriteLine ("Case 2 ");Break;Default:Console. WriteLine ("Default case ");Break;}
One:I
DescriptionThe Zabbix monitoring server is already configured, and the switch is now monitored using Zabbix.Specific operation:The following operations are performed on the monitored switch, where Cisco switches are the example.First, log on to the Cisco switch and turn on the SNMP serviceNote: Log in to switch privile
ASP tutorial. NET switch Statement usage (c,c#)A switch statement is a control statement that handles multiple selections and enumerations by passing control to a case statement within its bodyint caseswitch = 1;Switch (Caseswitch){Case 1:Console.WriteLine ("Case 1");BreakCase 2:Console.WriteLine ("Case 2");BreakDefaultConsole.WriteLine ("Default case");Break}
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Switches and routers need to have certain security, that is, to timely configure a reasonable password, then if the password forgotten how to do? I have encountered this time, due to job transfer, the former network administrator left the department, but the switch set up a password, and did not tell me the successor of the network administrator. What do we do? It's too much trouble to send it back to the vendor. So I personally experienced a password
As one of the core devices in the LAN, the performance of the switch directly determines the data transmission performance of the network. However, after a long period of work, the switch will inevitably encounter such or such a fault phenomenon, in order to solve the problem in time, network administrators often take a remote approach to manage the switching system.
However, sometimes, we will encounter t
As the saying goes, the body is the capital of revolution, a person only strong physique can live better, in order to create greater wealth for society. Enterprise network is like a person, only security measures to do in place, the enterprise in all aspects of the operation of a better. In today's information age enterprises, information for the enterprise is undoubtedly the greatest wealth. With the spread of virus and the rampant hackers, enterprise network security protection has been greatl
What is a layer-2 switch? The operating skills and operating methods of L2 switches are found on some technical forums and blogs for your reference only.
In order to adapt to the challenges brought by the deepening of network applications, the scale and speed of the network are rapidly developing. The speed of the LAN has increased from 10 Mbit/s to 100 Mbit/s, at present, the Gigabit Ethernet technology has been widely used. In terms of network struc
Fast switch troubleshootingNetwork administrators often deal with switches during their work. Because switches are widely used in enterprise networks, from low-end to high-end, they involve almost every level of products, therefore, vswitches are more likely to fail than routers and hardware firewalls. So how can we quickly and accurately locate and eliminate faults? Switch faults can be divided into two ca
The security switch mainly uses the access control list to implement the security function of the packet filtering firewall. It enhances the security protection capability and is the first choice for small and medium-sized enterprises. 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 security
Configuration ideas1. Configure the ETHERNET0/0/20 interface as an observation port (monitoring port ) 2. Configure the ETHERNET0/0/1----ETHERNET0/0/10 interface as a mirrored portConfiguration steps1. Configure the observation portSystem-view[Switch] Observe-port 1 Interface gigabitethernet 0/0/20Command format:Observe-port index interface interface-type interface-number [ VLAN Vlan-id ]Parameter description:
Parameters
Paramet
Take the Cisco 2950 vswitch as an example. log on to the vswitch and enter the management password to enter the configuration mode. Then, run the following command:
Switch # config Terminal
# Enter the Configuration Mode
Switch (config) # interface fastethernet 0/1
# Enter the specific port configuration mode
Switch (config-If) # switchport port-secruity
# Config
The monitoring switch is the transmission device between the Network Camera (IPC) and the hard disk recorder (NVR), and the switch gathers and transmits the monitoring data stream to the NVR, which is the important role of the monitoring network. Security Monitoring Network Camera video streaming bandwidth is large, access to more than a few, real-time and stability requirements higher. In combination with
Mac layer Attack rumor address floodA common two-layer attack or switch attack is a Mac flood, with an intruder using a large number of invalid source MAC addresses, which can cause the switch's cam table to overflow, because the switch cannot find the port corresponding to the destination MAC address in the MAC address table, causing the switch to periodically f
Cisco's VLAN implementations are typically port-centric. The port connected to the node will determine the VLAN on which it resides. There are two ways to assign a port to a VLAN, which is static and dynamic, respectively. The process of forming a static VLAN is the process of assigning a port to a VLAN in a mandatory manner. That is, we first set up the VLAN on the VTP (VLAN trunking Protocol) server, and then assign each port to the corresponding VLAN process. This is the most common method we
The large-scale application of equipment, the cost of a substantial decline in competition more rational, these show that the broadband business has passed the life cycle of the entry period, into the business into a long-term. The user's demand for the broadband network is finally to achieve "three nets in one", that is, data, voice, video business of the three-network unity. In order to be able to guarantee the key business of the user, different levels of users to treat, it is necessary for b
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