what is difference between layer2 and layer 3 switch

In today's society, the most commonly used vro is the number of routers, because it is relatively cheap and its functions are no different from those of vswitches. However, layer-3 vswitches are indeed more powerful than vrouters, then we will study the layer-

There are many things worth learning about layer-3 switches. Here we mainly introduce the technical principles of layer-3 switches. In short, layer-3 switching technology is

about yuan. The appearance of these low-price layer-3 switches means that small and medium enterprises can also build high-performance networks. Of course, these tens of thousands of layer-3 switches can be used not only as the core of small and medium-sized enterprise networks, but also as the aggregation

Three-tier switch has become one of the mainstream switch types in the market. Here we mainly introduce the advantages of using three-tier switch. This article will tell you that the three-tier switch has a high technical level, not only does it look beautiful, but it also looks beautiful! So

, network mutual access is not frequent, and the routing is complicated, it is best to use the intermediate node router connection scheme. However, it is best to use a layer-3 Switch Co

What I want to tell you in this article is: the layer-3 switch is very technical, not only "looks beautiful", but also very beautiful to use! So what

How to select a layer-3 SwitchAt present, layer-3 switches are showing a strong growth trend and are replacing routers in Lan. Their huge market potential is attracting a large number of domestic and foreign manufacturers to join the competition. Fortunately, Chinese manufac

act as a route. It is a switch because it is extremely fast, almost reached the second-level switching speed. This is also the topic of this Article. What is layer-

China 3 layer Switch VLAN isolation192.168.1.0---------g1/0/1 S SW g1/0/2-------192.168.2.0192.168.3.0-----------------------|192.168.4.0-----------------------|Prohibition of 1.0, 3.0, 4.0 and 2.0 visits[H3c]acl Num 3000[H3c-acl-adv-3000]rule deny IP source 192.168.1.0 0.0.0.255 destination 192.168.2.0 0.0.0.255//Forbidden 1.0 Access 2.0[H3c-acl-adv-3000]rule de

Experiment on single-arm routing using a layer-3 Switch In the real environment, sometimes the gateway is not necessarily enabled on the router, sometimes the single-arm routing function is not necessarily connected to the interface on the router, you can use a

The wide application of layer-3 switch technology enables dedicated bandwidth between network sites, avoiding unnecessary Collision Detection and error re-transmission, greatly improving work efficiency. What is the difference bet

, the next time based on the last result value; What is the difference between a static function and a normal function: The static function has only one copy in memory, and the normal function maintains a copy in each call 2. How do I reference a global variable that has already been defined?Answer: externYou can refer to the header file, you can also use the e

features of a layer-3 switch, we will detail the above features. Layer-2 switching and layer-3 Intercommunication The basic feature of a layer-3