Re: DLT_ATM_RFC1483 link-layer length ?

[Guy Harris <gharris () sonic net>]

On Wed, Nov 13, 2002 at 12:15:53PM +0100, Hannes Gredler wrote:
> however as shown below tcpdump output insists on a 20-byte linkheader
> for an LLC encapsulated frame [0606 is the LLCSAP_IP]
>
> ./tcpdump -n -e -x -r bootp.tcpdump

Why does the control field byte in the 802.2 LLC header of the BOOTP
packets in that capture have the value 0 rather than 3?  (It's supposed
to be a UI frame, right?)

And what are all the frames *before* the first BOOTP frame?
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