From: Chris Friesen <cfriesen@nortelnetworks.com>
To: Frank Louwers <frank@openminds.be>
Cc: linux-kernel@vger.kernel.org
Subject: Re: BUG: 2 NICs on same network
Date: Tue, 23 Apr 2002 09:10:58 -0400 [thread overview]
Message-ID: <3CC55D62.1501C94A@nortelnetworks.com> (raw)
In-Reply-To: <20020423113935.A30329@openminds.be>
Frank Louwers wrote:
>
> Hi,
>
> We recently stummed across a rather annoying bug when 2 nics are on
> the same network.
>
> Our situation is this: we have a server with 2 nics, each with a
> different IP on the same network, connected to the same switch. Let's
> assume eth0 has ip 1.2.3.1 and eth1 has 1.2.3.2, with a both with a
> netmask of 255.255.255.0.
>
> Now the strange thing is that traffic for 1.2.3.2 arrives at eth0 no
> matter what!
This is actually standards compliant behaviour, as silly as it sounds. However,
if you want stricter arp behaviour I *think* that the following will fix it. At
least it used to...
echo 1 > /proc/sys/net/ipv4/conf/all/arp_filter
If this is no longer correct I'd love to hear it.
Chris
Chris Friesen | MailStop: 043/33/F10
Nortel Networks | work: (613) 765-0557
3500 Carling Avenue | fax: (613) 765-2986
Nepean, ON K2H 8E9 Canada | email: cfriesen@nortelnetworks.com
next prev parent reply other threads:[~2002-04-23 14:00 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-23 9:39 BUG: 2 NICs on same network Frank Louwers
2002-04-23 10:53 ` rpm
2002-04-23 10:52 ` Frank Louwers
2002-04-23 11:12 ` rpm
[not found] ` <20020423124756.A3572@auto.ucl.ac.be>
[not found] ` <20020423115710.A31456@openminds.be>
[not found] ` <20020423134135.A7941@auto.ucl.ac.be>
2002-04-23 10:57 ` Frank Louwers
2002-04-23 13:10 ` Chris Friesen [this message]
2002-04-23 15:20 ` Vincent Guffens
2002-04-23 16:38 ` Chris Friesen
2002-04-23 20:54 ` Vincent Guffens
2002-04-23 19:19 ` Chris Friesen
2002-04-23 13:40 ` Jeff Garzik
2002-04-23 13:45 ` J.A. Magallon
2002-04-23 13:51 ` Frank Louwers
2002-04-23 13:58 ` Harley Stenzel
2002-04-23 16:05 ` Denis Vlasenko
2002-04-23 11:11 ` Frank Louwers
2002-04-23 16:21 ` Denis Vlasenko
2002-04-23 13:20 ` Jesse Pollard
2002-04-23 17:04 ` dean gaudet
2002-04-23 22:18 ` Bill Davidsen
2002-04-25 12:09 ` Roland Kuhn
-- strict thread matches above, loose matches on Subject: below --
2002-04-23 14:55 Dag Bakke
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