On 13 Sep 2016, at 15:39, Hannes Mehnert wrote:
hello,
(sorry in case this is the wrong mailing list)
freebsd-net might be better; which I put on CC:.
while doing some network testing, I discovered that my FreeBSD
(r304285,
but likely earlier + released ones as well) sends out two
(bytewise-)identical ICMP echo requests shortly after each other when
I
ping the broadcast (IPv4) address on an interface [tested with:
tap,em,iwm].
This behaviour does not meet my expectations - is there any specific
reason for this behaviour; it behaves well (sending out a single ICMP
echo request) if I ping a unicast host.
Asking for a command line seems strange; but given I am replying, is
there any delay between the two packets? If you ktrace ping, do you see
multiple send calls for the same data?
/bz
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