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SubjectRe: why broadcast on *.0 (network) addresses ?
Date
From
Harald Koenig <koenig@tat.physik.uni-tuebingen.de> asks:
( Is this really Harald, or an Imposter ? )

> why do I get
> 64 bytes from 134.2.170.66: icmp_seq=1 ttl=64 time=2.4 ms (DUP!)
> when I run
> ping 134.2.170.0
>
> on another PC in the same network ? please not the broadcast setup below!
> ping to `134.2.170.255' are broadcasts, but what about packages sent
> to `134.2.170.0' ?

All ones, and all zeroes in the subnet address is a sign
of a broadcast. Original broadcast was "all zeroes".
Why this change has been made some 10 years ago, I don't know.
(Propably it has been told in some RFC...)

> this happens with both 2.0 and 2.2 kernel.
...
> thanks for any pointer,
> Harald Koenig, \/\/\/\/\/\/\/\/\/
> Inst.f.Theoret.Astrophysik // / \\ \
> koenig@tat.physik.uni-tuebingen.de ^^^^^ ^^^^^

/Matti Aarnio <matti.aarnio@sonera.fi>

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