linux-kernel - Re: [PATCH] net/ipv4/arp.c: Fix arp reply when sender ip 0

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Message-ID:  <m3r6iqffde.fsf@ursa.amorsen.dk>
Date:	Fri, 16 Nov 2007 15:13:01 +0100
From:	Benny Amorsen <benny+usenet@...rsen.dk>
To:	linux-kernel@...r.kernel.org
Cc:	netdev@...r.kernel.org
Subject:  Re: [PATCH] net/ipv4/arp.c: Fix arp reply when sender ip 0

>>>>> "DM" == David Miller <davem@...emloft.net> writes:

>> Reply:
>> Opcode: reply (0x0002)
>> Sender HW: 00:AA.00:AA:00:AA
>> Sender IP:   192.168.0.1
>> Target HW:  00:AA:00:AA:00:AA
>> Target IP:    192.168.0.1

DM> And this is exactly a sensible response in my opinion.

Why send the reply at all? Sending a unicast packet with yourself as
destination MAC seems a bit useless. Do switches propagate it?


/Benny


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