Andrew Yourtchenko ayourtch at
Wed Feb 16 11:55:55 CET 2011

On Wed, Feb 16, 2011 at 3:52 AM, Brian E Carpenter
<brian.e.carpenter at> wrote:
> Has anybody here seen garbage IPv6 packets whose source address is
> like dead:beef::, where the 32 bits are a reasonable IPv4 address?
> That is to say, it's like an IPv4-mapped address but with the
> bits at the wrong end, followed by 96 zeros.
> We seem to get some of those arriving here, with valid IPv6
> destination addresses.

(no, but...)

Any more details on the contents of these packets that may be willing
to share ? Might be interesting to see how close to garbage they
really are, as well as to examine e.g. hop count of them - this may
give some hints...

Would be very curious to peek at the pcap with series of these...


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