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What is a node?
In computer networking, a node is any physical or virtual device that is part of a network. This includes hosts like HMIs and PLCs, as well as devices that help manage network traffic, such as…
What is a host?
A host is any device that connects to a network and can send or receive data. This includes computers, servers, PLCs, HMIs, smartphones, tablets, printers, and much more. Each host typically has its own IP…
How do I disable the WAN capabilities of an HMI or cMT?
To disable internet access over the HMI’s ethernet port, set the gateway and DNS addresses of the WAN port you want to disable to 0.0.0.0 in the system settings for your device under the Ethernet…
What is Bridge Mode?
Bridge Mode allows a device to function as a network switch, forwarding traffic between LAN ports without modifying packet data. This creates a seamless connection between devices, enabling communication as if they were on the…
Can I have my LAN ports configured to different networks?
Yes! You can have each LAN port on a cMT or HMI configured for a different network or subnet, in fact, we recommend doing so to keep the ports from conflicting. One thing to keep…
How to test Connection to EasyAccess2.0
TCP Connection Test:To use EasyAccess 2.0 VPN connection, multiple TCP connection would be made from your HMI or PC to our vpn servers. On PC, you can download our analyzer tool ea_connection_test.zip to check connections to those…
What is a Client?
In a Server-Client topology, a client is a device or application that requests and utilizes services or resources provided by a server. The client initiates communication with the server, sending requests for data, processing, or…
What is an APIPA or Local-Link Address?
An APIPA (Automatic Private IP Addressing) or Link-Local Address is a self-assigned IP address automatically generated by a device when it cannot obtain an IP address from a DHCP server. These addresses are in the…