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Hi,
On Tue, May 05, 2020 at 08:47:04PM +0200, Francois-Xavier Le Bail wrote:
> > So, given that the first 16 bits are "4 bit always 0, and 12 bits
> > reserved-must-be-set-to-0", using these as heuristics for "if two 0-bytes
> > are following the MPLS headers, it's a control word, so we skip 4 bytes
> > and the rest is a regular Ethernet packet" should work.
>
> We should print "PW Ethernet Control Word" and the "Sequence Number", 2 last
> 2 octets of the 4.
> Like:
> PW Ethernet Control Word, Sequence Number xxx
I think we should only print this if "-v" is given. Most of the time,
both control word and sequence number are of little interest.
I really like tcpdump's very compact "only the most relevant info" output
format (by default).
gert
--
"If was one thing all people took for granted, was conviction that if you
feed honest figures into a computer, honest figures come out. Never doubted
it myself till I met a computer with a sense of humor."
Robert A. Heinlein, The Moon is a Harsh Mistress
Gert Doering - Munich, Germany g...@greenie.muc.de
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