There's a really long--but excellent--thread on this topic from a few
months ago. Start searching through the archives beginning in January
and see if you can find it. Actually, there were two different threads
around then but one of them is really good. I believe it's called
"Another 802.3 Ethernet question" or something close to that. The short
answer is that everyone uses what Cisco calls the Arpa frame but you
should read those threads to understand why.
Regards,
John
>>> "Ken Chipps" 5/28/01 10:36:22 PM >>>
I am confused about which Ethernet frame type everyone uses with
TCP/IP
today. I understand that there are four different types. I see from
the
Cisco website that they talk about only two of these four. The two
they
discuss are called Ethernet and IEEE 802.3. The one Cisco calls
Ethernet has
the following fields
Preamble
Destination Address
Source Address
Type
Data
CRC
The one Cisco calls IEEE 802.3 has
Preamble
Start Frame Delimiter
Destination Address
Source Address
Length
Data and 802.2 Header inside the data area as best I can tell
CRC
Why do they mention these two only? Who uses what?
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