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Questions tagged [ethernet]

Ethernet is a set of networking technologies widely used to interconnect computers.

Ethernet is a set of networking technologies widely used to interconnect computers at the physical (layer 1) and link (layer 2) levels. The capability of Ethernet has matured to the point where it is used for both basic desktop computer networking and for carrier-grade networks where operators must guarantee quality of service.

More information at http://en.wikipedia.org/wiki/Ethernet

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Ubuntu desktop 22.04 LTS - ethernet connection not working

I have been installed ubuntu desktop 22.04 LTS with ethernet connetion on my Dell Inc. Latitude E7240 computer, it worked properly, but today in time of work, the ethernet connection is not working In windows 10 it works properly, wirless connection…
Daniel AC
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How to connect wired Ethernet in terminal?

As we all know, we can connect wired Ethernet by this way. When there is no Ubuntu desktop GUI, however, i have found no way to connect or disconnect that wired Ethernet. Moreover, i am using campus network. That means what should i do is click…
Lucien Xhh
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Raspberry PI Zero with USB/Ethernet dongle

I have looked and looked and looked, I can't find an answer to this problem anywhere! I want to connect my PI zero to an ethernet cable. I have a USB/Ethernet dongle. I have 3 zero's, all have USB-HUB hats. I plug in the dongle and reboot (which is…
MattR
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GUI extremly slow when ethernet_ip connection is established

I have a GUI (tkinter) where i monitor data from a few sensors. The monitoring is realized as a realtime plot, which gets redrawn every 100 ms. The data from sensors is acquired via ethernet/ip connection. Therefore i use the get_attribute_single…
RobertRondo
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Is this network an example of a tree topology?

I have an ethernet network that is connected like the following. Only switches and the central computer are depicted. There are more devices connected to the individual switches within the buildings, but it's not what this question is about. What is…
Zciurus
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what is this kind of frames, vlan, SMLT?

i've coded a sniffer with libpcap dealing with data link layer. but i've implemented only the ethernet part. Since this morning, i receive this kind of frame all day long. Could you help me to find the protocol used there and the layer ? Thx FF FF…
Etienne Armangau
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400 Bad Request while posting to InfluxDB with NativeEthernet

For a project we are trying to monitor a status protocol sent on local network over TCP and post these status messages over HTTPS to a InfluxDB instance on AWS at https://www.influxdata.com/products/influxdb-cloud/. We are using a teensy 4.1 with a…
bvanpoortvliet
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How do 2 devices communicate over an ethernet switch

Before I proceed, I'd like to mention that I did try to research this topic on the internet, but I still need clarification. Let's say I have two Linux machines connected to a switch (and only to a switch). Machine A has an IP address of 10.0.0.1…
Proto Ukr
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How to connect two ABB plcs with cp635 HMI?

I want to connect two PLCs ABB PM592 with HMI CP635 via ethernet? I will assign the same ip addresses to both plcs and will connect the ethernet port of each plc with ethernet port of HMI. Will it work? Will the both ethernet ports of CP635 HMI can…
Mar_60
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Sniff Ethernet UDP traffic using libtins c++

I want to sniff one ethernet UDP packet coming from my raspberry using the c++ tins library, I can receive the packet and save it to vector but I can't access the payload to print it, which I acculay need to check. I'm so thankful for any help. int…
Mouadh dahech
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Add Arp entry for specific interface [Windows]

I know that we can add arp entry in windows using arp -s IP MAC I need a command to add such entry for a specific interface if I have many While I have those two interfaces Interface: 10.243.16.11 --- 0xe Interface: 192.168.1.179 --- 0x17
ahmed saber
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Max message length for different transmission mediums

I have three interfaces: RS422 SPI Ethernet I’m looking to generate and transmit a variable length message over the interfaces at rates up to 2KHz. I want to code checks to make sure that my output message length can be transmitted at the selected…
Joe
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Arduino parses UDP packets through Ethernet with gibberish in it

Arduino Yun (with built-in Ethernet) is connected to a PC (through Ethernet) which is connected (through WiFi) to my router. Is set to receive UDP packets from another PC (on the same network). That PC uses netcat to send those packets. Arduino Yun…
BrainTrance
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Arduino Ethernet Server

I have a small issue with ethernet server. I'd like to make Arduino server listening on port and catch connected devices but the problem is thats devices don't send anything first. just connecting and waiting for "welcome message" from the…
Andrzej Hijewski
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How to get the details of Instance using particular Elastic IP (EIP)

How to get the details of Instance using particular Elastic IP (EIP). For example , I have an EIP with me and I don't know where its located?
DINESH RATHEE
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