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From: David Miller <davem@davemloft.net>
To: lk-netdev@lk-netdev.nosense.org
Cc: opurdila@ixiacom.com, ja@ssi.bg, chavey@google.com,
	netdev@vger.kernel.org
Subject: Re: [net-next PATCH v3] ipv4: allow warming up the ARP cache with request type gratuitous ARP
Date: Tue, 19 Jan 2010 02:11:38 -0800 (PST)	[thread overview]
Message-ID: <20100119.021138.172154379.davem@davemloft.net> (raw)
In-Reply-To: <20100119100913.65177497@opy.nosense.org>

From: Mark Smith <lk-netdev@lk-netdev.nosense.org>
Date: Tue, 19 Jan 2010 10:09:13 +1030

> I don't think this complies with the ARP RFC (RFC826). Walking through
> the validation steps, Gratuitous ARP seems to only pass if there is an
> existing entry in the table, otherwise they'd fail, as the target
> address in the GA packet doesn't match that of the receiving host.

It's fine if it's guarded by the per-device ARP_ACCEPT sysctl which
defaults to off, and that's what he's doing.

  reply	other threads:[~2010-01-19 10:11 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-18 22:58 [net-next PATCH v3] ipv4: allow warming up the ARP cache with request type gratuitous ARP Octavian Purdila
2010-01-18 23:39 ` Mark Smith
2010-01-19 10:11   ` David Miller [this message]
2010-01-19 10:48     ` Mark Smith
2010-01-19 11:13       ` David Miller
2010-01-19 10:12 ` David Miller

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