I am using a BeagleBone Black and try to connect it to the internet. The problem is that I am using Xenomai/RTnet on my BBB. Now when I connect my Ethernet port of BBB to Ethernet port of my Laptop my BBB says that it is getting frames with the Internet Protocol Version 6 and cannot handle that.
Output Putty:
no one cared for packet with layer 3 protocol type 0x86dd
I do not understand why my laptop send frames with IPv6. Does anyone has an answer for me?
Related
I have been trying STM32 Over the Air upgrade using Ethernet connection. I have used sockets to connect my Ethernet Wiznet W5500 to the internet successfully.
The problem that I am not getting how to read the file content from any website after being connected.
Anyone have done that before?
I'm trying to send UDP packets over the t-mobile NB-IoT network using AT-commands on a SIM7020E chip. I used the product wiki as reference. The starter version of the sim card I have doesn't support TCP, but I'm planning on using that later if I can succesfully communicate using UDP.
I created a UDP-socket on a Raspberry Pi using "nc -u -l 9999". I set an A-record on my hosting provider to refer dev.mydomain.com to the IP address of the Raspberry Pi. I verified the portforward and A-record settings by sending UDP packets from my laptop on another network using "nc -u dev.mydomain.com 9999" and typing some teststrings, so this all works.
On the 4G chip I use the following AT-commands:
// Check network
AT+CSQ
+CSQ: 21,0
AT+CGREG?
+CGREG: 0,5
AT+COPS?
+COPS: 0,2,"20416",9
AT+CGCONTRDP
+CGCONTRDP: 1,5,"iot.t-mobile.nl","x.x.x.x.255.255.255.0" <-- crossed out my ip
// Create UDP socket
AT+CSOC=1,2,1
+CSOC: 0
// Connect socket 0 to the listening port on the Raspberry Pi
AT+CSOCON=0,9999,"dev.mydomain.com"
OK
// Send "test"
AT+CSOSEND=0,0,"test"
At this point I expect to see "test" appear in the command line on the Raspberry Pi, but nothing happens. In the T-mobile portal it shows a PDP-context is successfully activated.
Also, setting the APN manually with AT*MCGDEFCONT="IP","iot.t-mobile.nl","username","password" doesn't work.
Did you work this out Hans? I was plodding along with a SIM7020E following https://www.waveshare.com/wiki/Pico-SIM7020E-NB-IoT code examples. Was successfully sending HTTP GETS to a server (without having to use micropython's wretched urequests lib) via the CHTTPCREATE/CHTTPCON/CHTTPSEND AT cmds, that seem to be be able to send packets over LTE to a server without specifying TCP/UDP etc or using a socket. Maybe give it a try?
Sadly I got the bright idea of trying an 'AT+POWD=1' cmd over the uart (was supposed to power the 7020E down) & now the module now does nothing but echo AT cmds (still auto connects to the LTE network & slow flashes the network led, just won't do anything else.) Real shame, nice little module otherwise.
I have the following connection in Ubuntu
Linux PC -> Switch (PoE) -> DUT
with the following ip configurations:
Ethernet adaptor Statically assigned
BASE IP (ipv4): 10.0.0.1
subnet : 255.255.255.0
gateway : 10.0.0.0
eth0 network address : 10.0.0.3
This setup enables me to send and receive UDP packets.Works perfectly fine in Ubuntu.
Now in Windows, I have made relevant changes to the python code of the codebase, but the code gets stuck waiting for UDP packets from the Hardware. I have statically assigned the same values as in Ubuntu. I am very new to networking..
(1) I have ensured Firewall is allowing UDP packets
(2) I have made the same IP address,subnet,gateway settings configurations.
Where am I going wrong?
It's impossible to say exactly what goes wrong based on this information.
I'd suggest trying Wireshark from https://www.wireshark.org/.
With that running on your windows PC, you can see if your packets are being sent out or not, and you can also see if the device responds or not. That way you can determine if the problem is in sending or receiving the packets.
I'm trying to setup a HPE ProLiant DL380 Gen10 Server. The monitor I'm using goes black after early initialization, after saying 'Switching console output to Primary Video. Please wait...'. To resolve it, I tried to connect to the PC with a USB to Ethernet adapter but when it's connected, the IP address returns wampserver.
Are you using an supported Ethernet to Ethernet Adapter?
Upon connecting you will be able to connect using the default IP 169.254.1.2
Type the same IP in your PC browser and try to login
Can I plug a cisco SPA303 ip phone directly into the ethernet port of a raspberry pi running raspbx?
I have got raspbx setup and running using a wifi dongle to connect to the router. The system works with the Cisco phone plugged into the router. However, the router is on the other-side of my house and ideally, as the raspbx is wifi, I would like to plug the phone directly into the pi and have it as one unit I can have anywhere in the house.
I have spent a painful amount of hours trying to set this up and I am sure there is a simple fix I am overlooking. Any ideas would be greatly appreciated.
Yes, you can. But you should setup static ip on phone or setup dhcpd server on RPi
Also some cisco phones have double ports(internal simpler switch inside). If so, you can connect one-by-one upto 8 phones.
There are several layers to take into consideration:
Link layer MDI/MDI-X detection of crossover/patch ethernet cable detection.
Static IP address for Raspberry Pi and a DHCP server for the IP phone
TFTP server to provisionize the IP phone
A peer in asterisk for the IP phone