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From: http://www.juniperbbs.net/viewthread.php? Tid = 5859 extra = Page % 3d1% 26amp % 3 bfilter % 3 ddigest The layer-2 switching technology is mature. The layer-2 switch is a data link layer device that can identify the MAC address information in the data packet and forward it according to the MAC address, the MAC addresses and corresponding ports are recorde

Layer-2, layer-3, and layer-4 switches have different characteristics. layer-2 switching is a mature technology. A layer-2 switch is a data link layer device that can identify MAC address information in data packets, forward based

1) layer-2 Exchange Technology The layer-2 switching technology is relatively mature. The layer-2 switch is a data link layer device that can identify MAC locations in data packets.Address information, which is forwarded based on the MAC address, and the corresponding MAC addresses and ports are recorded in a local loc

The layer-2 switching technology is mature. The layer-2 switch is a data link layer device that can identify the MAC address information in the data packet and forward it according to the MAC address, the MAC addresses and corresponding ports are recorded in an internal address table. The specific workflow is as follows: (1) When the switch receives a packet from

L2 exchange technology:The layer-2 switching technology is mature. The layer-2 switch is a data link layer device that can identify the MAC address information in the data packet and forward it according to the MAC address, the MAC addresses and corresponding ports are recorded in an internal address table. The specific workflow is as follows: 1) when the switch

Comparison Between Layer-2, layer-3, and layer-4 switches (1) layer-2 switches, layer-3 switches, and layer-4 switches: layer-2 switches are relatively mature and belong to data link

PrefaceBy adding layers, we can precisely position elements such as text, pictures, tables, graphics, and so on in a page-specific position, stacking the elements together and forming the final effect of the page. In addition, we can set layer visibility, delete layers, and more for layers already on the page. So, in this article, we'll show you how to do the PDF layer in C #.Summary of Points1. Adding laye

the function of the session layer The main function of the session layer is to establish, maintain and release the user-oriented connection among two nodes, manage and control the session, and ensure the reliable transmission of the session data. We all mention connections at the session and transport levels, so what's the difference between a session connection and a transport connection?If you say to your

(1) Differences Between Layer 2 switches, Layer 3 switches, and Layer 4 switches The layer-2 switching technology is mature. The layer-2 switch is a data link layer device that can identify the MAC address information in the data

Two-layer switching technology is a mature development, two-layer switch is a data link layer device, can identify the Mac in the packet Address information, forwarding based on MAC addresses, and recording these MAC addresses with corresponding ports in one of their own. Address table. The specific work flow is as follows: (1) When the switch receives a packet

with the SSH architecture. The model layer is the entity class for the corresponding database table. The DAO layer uses Hibernate to connect to the database, to manipulate the database (add and revise). Service layer: references the corresponding DAO database operation. Action layer: reference to the corresponding ser

Simply put: Layer-1 switchOnly physical layer protocols are supported (one phone-controlled switch can be called ???)L2 SwitchSupports physical layer and data link layer protocols, such as Ethernet switches.L3 SwitchSupports physical layer, data link

kinds of information that must be used for network communication: the protocol that the connection uses, the IP address of the local host, the protocol port of the local process, the IP address of the remote host, and the protocol port of the remote process.When the application layer communicates data through the transport layer, TCP encounters a problem that provides concurrent services for multiple appli

1,layer is the classification of all objects in the game, such as Uilayer, Waterlayer, 3DModelLayer, Smallassetslayer, Effectlayer, etc. Different classes of objects are divided into different layers for easy camera picking, which layers can be rendered in the camera's cullmask, and the layers not selected will not be rendered. It can also be used for the selection of Ray detection objects, which can be specified only for radiographic detection of obj

: Generally, websites with certain complexity can be divided into the following three layers: 　　(1) data access layer (DAL ):Interacts with the database for calling at the business logic layer. 　　(2) Business logic layer (BLL ):Call the data access layer to obtain data and provide support for specific business needs. 　

A layer-3 network is a layered layer-3 network. The three-tier network architecture adopts a hierarchical model design, which divides the complex network design into several layers. Each layer focuses on some specific functions, in this way, a complex big problem can become many simple small problems. The three-tier network architecture has three layers: the core