Screen mirroring across network segments

Screen mirroring across network segments

Before talking about cross-network projection, let’s talk to everyone about what is a local area network and what is a network segment. Only when we connect the relationship between these three can we understand what is called cross-network segment wireless projection.

Screen mirroring across network segments

Screen mirroring across network segments

2. The relationship between LAN and network segment

Local area network: The concept of the data link layer refers to a Layer 2 reachable network (that is, a network that can be reached without Layer 3 equipment, such as routers), which is a small-scale network in general.

Network segment: refers to the part of a computer network that can communicate directly with the same physical layer equipment (transmission medium, repeater, hub, etc.). For example, from 192.168.0.1 to 192.168.255.255 this is a network segment.

Without requiring accuracy, subnet, local area network, and network segment can be understood as the same meaning, but the same local area network, the same subnet, the same network segment, and the same network are not the same concept.

Screen mirroring across network segments

Cross network segment

So after clarifying this problem, we can know that the so-called cross-network segment is still in the same LAN or in the same server. It’s just that when we split the screen IP address, we separate it under different network segments, which causes the normal network transmission to be interrupted.

Screen mirroring across network segments

When we determine the static IP address of each device, under normal circumstances, screen mirroring across network segments cannot be achieved, because data transmission is completed under the same network segment under normal circumstances, so sometimes, What should I do if I want to cast screens across network segments?

AWIND professional wireless sharing and collaboration for 16 years, for business meeting rooms, school classrooms projection screen, has encountered a variety of strange scene needs. Of course, I have also encountered the need for screen mirroring across network segments. With the corporate tenet of “Everything from the user’s point of view”, AWIND solves the problem of screen mirroring across network segments by means of “point-to-point projection”.

One: the common USB key screen mirroring. The screen mirroring process is completed directly through the sending end and receiving end of the wireless screen mirroring device, but under normal circumstances, we involve long-distance screen projection across network segments, so please see the second type: remote screen mirroring across network segments.

Long-distance projection across network segments

1. When we connect the AWIND wireless projector to the big screen through the HDMI cable, and plug the wireless projector into the internet cable, the wireless projector box can be considered as entering the local area network. At this time, we open [Screencasting Code] setting—on (6-digit projection code)—6 dynamic projection codes appear on the display screen.

2. Download the APP sender software on the computer, and there are three options in the setting column: the IP address of the receiving device, the screen code, and the device name [all three options must be filled in] one to one correspondence. Then double-click—start the APP to realize remote screen projection across network segments.

The principle of long-distance cross-network projection: In fact, it is also [point-to-point projection]. First, find the receiving device based on the receiving device’s IP address, and then connect to the device according to the receiving device name and projection code. It avoids the traditional need to cast screens under the same network segment.

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