How to capture Packets from Specific Interface in Linux

Question

Hi Guys,

I want to capture some packets from a specific interface so that I can examine the packets internally. How can I do that in the Linux system?

Answer 1

Hi@akhtar,

You can use tcpdump command in your system. When you execute tcpdump command it will capture from all the interfaces, however with -i switch only capture from the desired interface as shown below.

$ tcpdump -i eth0