What is GRE tunneling?

What is GRE? Generic Routing Encapsulation, or GRE, is a protocol for encapsulating data packets that use one routing protocol inside the packets of another protocol. “Encapsulating” means wrapping one data packet within another data packet, like putting a box inside another box. GRE is one way to set up a direct point-to-point connection across a network, for the purpose […]

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Port Forwarding

What is Port Forwarding? A port is a communication endpoint in a networking system. You can recognize a port by its 16-bit unsigned number, and each of them specifies a particular process for a different network service. It is always associated with an IP address and a communication protocol. Each of the port sends its data through a networking device […]

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What Are The Advantages And Benefits Of A VPN?

What Is a VPN? In simple terms a VPN (Virtual Private Network), refers to a group of computers, operating together over a public network—i.e., connected to the Internet. When connected to a VPN, what usually happens is that you launch a VPN client, then you log in, the computer then exchanges trusted keys with a server that is quite far […]

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What Is An IP Address?

An IP address, also known as an Internet Protocol address, is your link to the internet world. It is used as a network address for your system, making it easier for the internet to locate you, send you your data emails, etc. 98% of Internet users do not know what an IP address is because even though it is like […]

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How To Choose The Right Cellular Modem/Router For Your IoT/M2M Solution?

Cellular router market analysis and industrial grade cellular router With the rapid development of Internet technology, more and more people and devices need to access Internet. In many application scenarios, fixed broadband access is difficult and expensive, which call for cellular router. Market analysis shows that global cellular router market in 2019 is around 1000 millions US dollars, and the […]

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OpenVPN

What is OpenVPN? OpenVPN is a virtual private network (VPN) system that implements techniques to create secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It implements both client and server applications. OpenVPN allows a single point of participation in the establishment of a VPN to use a shared key, electronic certificate, or username/password for […]

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Transparent Transmission And Serial Configuration Mode

What is Transparent Transmission? Transparent transmission means that no matter what bit combination the transmitted data is, it should be able to be transmitted on the link. When the bit combination in the transmitted data happens to be exactly the same as a certain piece of control information, appropriate measures must be taken so that the receiver will not mistake […]

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