Dest/Source Address of an Ethernet Frame

November 16, 2011 at 20:27:20
Specs: Windows 7
Would the destination and source address in an ethernet frame remains permanently throughout its routing? In other words, would it change as the frame is being routed?

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November 17, 2011 at 01:10:35
Is there a particular reason that you ask?

I'd recommend reading a good book on networking if you want to study it in this detail.

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November 17, 2011 at 01:51:42
I just suddenly got confused because after seeing that the 802.11 frames have 4 address fields that swap between the MAC addresses of the routers and computers, I start to wonder if the destination and source MAC addresses in the 802.3 Ethernet frame gets changes too.

Actually, I already have a book on networking and this question pop up in my mind after a while.

I remember that the source and destination MAC addresses in an Ethernet frame will never change from its original addresses but I just wanted to be sure that I am right.

So, would the MAC addresses in the Ethernet frame change?

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November 17, 2011 at 03:25:15
I think you are misunderstanding Ethernet and routing. Ethernet is a Local Area Network protocol. Ethernet frames are not directly routed. And why would the MAC address matter once the packet has left the LAN?

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