Re: What is so special about 172.31.254.254

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On Wed, 04 Apr 2012 20:52:02 +0200
Gáspár Lajos <swifty@xxxxxxxxxxx> wrote:

> Hi Mike,
> 
> >> 1. 172.31.254.1
> >> 2. 172.31.254.254
> >>
> >> Netmask 255.255.255.0
> >>
> >> They do not see each other...
> >> But if I change the second IP (for example to 172.31.254.253) then it
> >> all good...
> >>
> >> What am I missing?
> >
> > Hi Swifty.
> >
> > Could it be that x.x.x.254 is somewhere defined as a default gateway?
> The default gateway for the first PC (172.31.254.1) is 172.31.254.254...

ping 254.254 from 254.1 and run "tcpdump -ni SOME_IFACE icmp" on *both* PC´s where SOME_IFACE are the interfaces where they talk to each other. Let us know the results.

Ethy

> 
> Swifty
> 
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