All Questions
54
questions
9
votes
4
answers
60k
views
"Ethernet" doesn't have a valid IP configuration
I'm using an ethernet cord to connect to my internet and it has been working well until Thursday morning when I turned on my laptop (Windows 8) to see a yellow triangle sign in the bottom right hand ...
- 91
-2
votes
1
answer
261
views
Configure the Ethernet Interface from the Command Line
I have connected to a Virtual Server with an SSH client using IP address: 172.xx.xx.154/22
I have been asked to configure eth1 to 172.xx.xx.155/24 with gateway IP Address of: 172.xx.xx.1
Any help ...
2
votes
1
answer
5k
views
Unplugging ethernet cable without disabling NIC
Is it possible to configure the OS (Windows XP or Linux) or the NIC itself so that the NIC/interface remains enabled when the ethernet cable is unplugged?
Often, especially when I'm tinkering, it's ...
- 335
1
vote
2
answers
8k
views
In Windows 7, how do I find the IP of a device (Raspberry Pi) attached via Ethernet?
I want to determine the IP of my Raspberry Pi which is attached to my PC via Ethernet and has a dynamic IP.
- 113
1
vote
1
answer
1k
views
Can a broken ethernet cable give link but no ip?
I'm just wondering what the structure is here. Can an ethernet cable give link and seemingly work fine, but cause problems with DHCP traffic between two nodes? One part of me is thinking that link ...
- 1,033
2
votes
3
answers
252
views
How is it possible to detect whether or not a device is "routing"?
The building I'm in provides ethernet ports through the walls in each room, but it is stated in their policy that they "do not allow wireless routers."
They have been known to deactivate certain ...
- 1,121
7
votes
2
answers
62k
views
What is the difference between Layer 2 and Layer 3 broadcasts?
As written in the title my first question is, what's the difference between Layer 2 and Layer 3 broadcasts?
If a host sends a layer 2 broadcast, the switch sends it to all of his ports, but not to ...
- 4,988
6
votes
2
answers
22k
views
Find IP address from a IP-Camera (Ubuntu)
I am using an IP camera which I don't know its IP. I'm unable to connect to it, and all I know it's MAC address. My questions are:
If I didn't know it's MAC address, would I be able to discover its ...
- 209
30
votes
5
answers
32k
views
Ethernet vs TCP vs IP?
What is the difference between Ethernet, TCP, and IP in simple (simple abstract) terms?
Please do not copy from Wikipedia...
- 1,247