46
votes
Accepted
Does the Pi 4 resolve the Ethernet+USB bottleneck issue of past versions?
Yes, it resolves it.
“While Raspberry Pi 3 Model B+ added Gigabit Ethernet connectivity, throughput on Raspberry Pi 4 is free from the single shared USB 2.0 channel to the SoC.” (https://www....
- 446
29
votes
Raspberry Pi 3 - eth0 wrongfully named 'enx...'
raspi-config is easiest method.
If you are on Raspbian then it's installed by default.
But if you are on Ubuntu, Mint or Mate then you can install it with command below:
sudo apt-get install raspi-...
- 491
26
votes
Raspberry Pi 3 - eth0 wrongfully named 'enx...'
This solution only works if you're seeing an odd network interface device like env{hwdaddress} when running $ ifconfig -a instead of eth0. I tried all the common answers about adding rules but only ...
- 404
14
votes
What are the possible OUIs for the Ethernet MAC address?
To elaborate the answer from @cachius: the OUI has changed from
B8-27-EB (hex) Raspberry Pi Foundation
B827EB (base 16) Raspberry Pi Foundation
Mitchell Wood ...
- 42.6k
13
votes
Connect raspberry pi to pc (ubuntu) with ethernet
simple way:
connect raspberry pi to laptop with Ethernet.
Go the edit connection setting.
Navigate to ipv4 option. Select method : shared to other computer.
Then open command prompt and type command ...
7
votes
Accepted
What are the possible OUIs for the Ethernet MAC address?
"Current" data for Raspberry Pi devices:
MA-L/OUI MAC address prefixes: 6
28:CD:C1
2C:CF:67
B8:27:EB
D8:3A:DD
DC:A6:32
E4:5F:01
MA-L: Mac Address Block Large (previously named OUI). Number ...
- 186
6
votes
Accepted
Official "securing your pi" guide recommends blocking port 30 from 192.168.2.1 - why?
In the preface of Securing your Raspberry Pi the author says:
This documentation will describe some ways of improving the security of your Raspberry Pi.
This is followed by a conglomeration of ...
- 1,278
6
votes
Accepted
Building a 'Packet squirrel" using Raspberry Pi
To make a man in the middle attacker with a Raspberry Pi 3B(+) or 4B is very simple. You will use an additional USB/ethernet dongle so you have a second wired interface eth1 available. Now just bridge ...
- 42.6k
5
votes
Pi Headless: How to confirm that the Pi is shut down
In Raspberry Pi 3 you can trun off the PWR LED with
echo 0 | sudo tee /sys/class/leds/led0/brightness
If the Pi is shut down, the LED will turn on again.
- 259
5
votes
Connect raspberry pi to pc (ubuntu) with ethernet
The comment of @goldilocks points out the solution! +1 for that (as soon as I have enough reputation). Raspbian has the SSH server disabled by default, since November 2016, so you'll have to turn it ...
- 161
5
votes
Accepted
Manually change MAC address on USB to ethernet module Pi Zero
based in information found here
sudo tee /etc/systemd/network/00-default.link <<EOF
[Match]
MACAddress=00:00:00:00:00:00
[Link]
MACAddress=00:00:00:00:00:01
EOF
replace 00:00:00:00:00:00 with ...
- 2,471
4
votes
Accepted
Connecting two Raspberry Pi's via Ethernet
The simplest way to hook up the two Pi's is to
have a cat5e/cat6 cross over cable of sufficient length
configure each Pi to have a unique static IP within the same network by editing the /etc/...
- 2,446
4
votes
What are the possible OUIs for the Ethernet MAC address?
The below script can be used to find any vendor by Mac: Raspberry Pi or otherwise.
Just supply the vendor's name as it's specified in the IEEE's MAC DB:
"http://standards-oui.ieee.org/oui.txt"
in ...
- 1,667
4
votes
Accepted
Force RPi3B Ethernet to connect gigabit
Raspberry Pi 3 Model B does NOT support gigabit ethernet. Only Raspberry Pi 3 Model B+ does.
- 2,702
4
votes
Static IP Issues For wlan0 and eth0
I wanted to update this with what I found to work in case any lost and weary Googlers are running into this issue.
Thanks to @Ingo for the link references metrics. I had no luck in adjusting the ...
- 89
4
votes
Accepted
Why did Pi-4's port layout change?
According to the launch announcement it was to simplify routing:
Our Gigabit Ethernet magjack has moved to the top right of the board, from the bottom right, greatly simplifying PCB routing.
https://...
- 7,018
3
votes
What are the possible OUIs for the Ethernet MAC address?
It is worth noting that the MAC-48 number applies to the Network Interface and not the Host device and thus the B8:27:EB applies only to the wired EtherNet interface on older Raspberry Pi devices that ...
- 3,621
3
votes
What are the possible OUIs for the Ethernet MAC address?
To add to what @Ingo said, they actually have a third OUI now: E4-5F-01
Not sure why that happened either, but I have hardware with a MAC with that OUI.
I'd have commented that, but don't have enough ...
- 31
3
votes
Accepted
Automatically add hotplug network interface to bridge
So it occured to me that telling /etc/network/interfaces to "manually" add the network interface eth0 to my br0 bridge may answer my question: yes, indeed, this works. So my /etc/network/interfaces ...
- 1,591
3
votes
Accepted
Extra gigabit ethernet to raspberry PI B+
The question is why you need 5 Gb ports on a 1.5 GHz machine. No way a r-pi can handle or generate that much data.
If the 5 port ethernet switch Ingo proposed to you isn't what you need, your best ...
- 181
3
votes
Accepted
What's the difference using RS485 or tcp/ip connection?
(guessing from info in link) The "BU unit" appears to connect to the "CU units" (which actually control the locks) through RS 485, which sounds a like a interface which could be using a proprietary ...
- 2,533
3
votes
Connecting to RPi from Linux with the ethernet cable without touching RPi
Connect your pi to your network with the Ethernet cable and power up.
Next, find the Pis IP address
Then connect with a terminal:ssh pi@ADDRESS
It will ask you about the new ECDSA key, accept and ...
- 606
3
votes
Connecting to RPi from Linux with the ethernet cable without touching RPi
You can connect a computer via a direct Ethernet connection and ssh using a Link-local address with ssh [email protected] (assuming user Pi and unchanged hostname).
This connection has some ...
- 61.4k
3
votes
Where does the Raspberry Pi Ethernet MAC get generated?
Here's something I came up with that probably does what you want
What this does is get the serial number of the pi (32 bit number from /proc/cpuinfo or OTP location 28) - the last 24 bits of which ...
- 2,471
3
votes
Raspberry Pi 3 with Chromebook offline over Ethernet Cable
There is no need to do much configuration when using an ethernet cable. With default Raspbian Stretch everything works out of the box. Just flash the image, and boot it on your RasPi. If there is a ...
- 42.6k
3
votes
Accepted
When socket programming on raspberry pi, getting ConnectionRefusedError
Your host code is
host = `192.168.0.1`
while the client code is
host = '192.168.0.10'
As you say connecting with telnet works, the address of the host must be 192.168.0.1, so the client should ...
- 2,180
3
votes
SSH - Not able to ssh from my laptop to raspberry after rebooting the pi
Anything that stops the connection process is a possible cause.
No physical Ethernet connection (bad cable, lose connector, switch off, etc.)
Not connecting to the actual IP of the Pi (static vs DHCP)...
- 121
3
votes
Accepted
Is it possible to make a WIFI to LAN Bridge with the RaspberryPi3b and Bridge Utils?
For a Raspberry Pi you will never find an explanation how you can bridge a wired interface with a WiFi interface used for a client connection to another hotspot. Also Bridge Utils cannot do it. Please ...
- 42.6k
3
votes
Accepted
Is it possible to enable 1 Gbit ethernet on RPi 2, 3, 4?
Only the Pi4 can do 1 Gbit over the built in ethernet.
- 7,018
2
votes
What are the possible OUIs for the Ethernet MAC address?
The Raspberry Pi 4 has
DC:A6:32:xx:xx:xx (Raspberry Pi Trading)
according to the Raspberry Pi Forums.
- 121
Only top scored, non community-wiki answers of a minimum length are eligible