From: Payam Chychi <pchychi@gmail.com>
To: Mike Wright <mike.wright@mailinator.com>
Cc: "Gáspár Lajos" <swifty@freemail.hu>,
"netfilter list" <netfilter@vger.kernel.org>
Subject: Re: What is so special about 172.31.254.254
Date: Wed, 04 Apr 2012 09:05:36 -0700 [thread overview]
Message-ID: <4F7C7150.4040401@gmail.com> (raw)
In-Reply-To: <4F7C6EEE.4090305@mailinator.com>
how are they "not" seeing each other? we talking on layer2, 3, 4, or 7 ?
do you have a local arp table on the system showing the neighboring system?
do you have a transparent firewall in between enforcing layer2 policies?
do you have arp-proxy or gratuitous arp setup on your devices?
-P
On 12-04-04 8:55 AM, Mike Wright wrote:
> On 04/04/2012 08:25 AM, Gáspár Lajos wrote:
>> Hi list,
>>
>> I have a strange scenario.
>> For test reasons I had setup two PC-s.
>>
>> 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?
> --
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next prev parent reply other threads:[~2012-04-04 16:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-04 15:25 What is so special about 172.31.254.254 Gáspár Lajos
2012-04-04 15:55 ` Mike Wright
2012-04-04 16:05 ` Payam Chychi [this message]
2012-04-04 18:54 ` Gáspár Lajos
2012-04-04 18:52 ` Gáspár Lajos
2012-04-04 19:30 ` Ethy H. Brito
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