0
votes
1answer
90 views

Address Resolution on WiFi with TP-LINK router

I have a TP-LINK WiFi router which shows lan IP addresses and computer mac addresses under Device Info > ARP. I am interested to read this info from my computer (Ubuntu 12.04) connected to the same ...
0
votes
0answers
290 views

Linux ARP source address wrong, when pinging from different interface

I'm seeing some weird behavior, and was hoping someone could explain to me why this is happening: I have a linux box with two physical interfaces: arnout@arnout-VirtualBox ~ $ ifconfig eth0 ...
1
vote
1answer
731 views

Window 8 machine cannot ping devices on same subnet

After returning from vacation during which several Windows updates were applied and my router suffered a hard power cycle, my Windows 8 Desktop can no longer ping other devices on the same subnet. ...
4
votes
1answer
3k views

Why does a PING reply require an ARP request for the originating hosts MAC?

I have a scenario as depicted below. Here two host machines are connected via a hub: Ok, so host-1 wants to ping host-2 and i have setup wireshark on a 3rd host connected to the same hub. Now ...
2
votes
2answers
2k views

target IP address is same as source IP address in ping ARP request

I am working on wireless driver. But I feel this question is just a general network question. I saw strange content of the first ping packt, which is an arp request, where the target IP address is ...
10
votes
5answers
27k views

how does 'ping' command really work?

How does the ping command really work? Specifically where does the ARP (Address Resolution Protocol) come into picture? I was asked this question in an interview and I was not able to come up with ...