From: Pascal Hambourg <pascal.mail@plouf.fr.eu.org>
To: netfilter@lists.netfilter.org
Subject: Re: DNAT for two external NIC
Date: Wed, 30 Aug 2006 00:00:02 +0200 [thread overview]
Message-ID: <44F4B8E2.7030409@plouf.fr.eu.org> (raw)
In-Reply-To: <007301c6cbb4$0aa38c00$4764a8c0@mhsystems.com>
Hello,
Mikhail a écrit :
> Everything works fine if I use IP1 address but I was unable to get to the
> corresponding LAN machine through IP2. Ping requests are also not responded
> if they're made to IP2. They do reach eth2 and I can see them using tcpdump
> but then nothing goes out on any NIC. The same goes for TCP/IP requests -
> I've managed to trace them to the nat table PREROUTING chain but they could
> not be found in either INPUT or FORWARD chain of the mangle table. If I make
> default route through eth2 - everything starts working through that NIC and
> stops through eth1.
Maybe you need to disable rp_filter (reverse path filtering) on the
interface that has not the default route.
sysctl -w net/ipv4/conf/eth2/rp_filter=0
next prev parent reply other threads:[~2006-08-29 22:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-29 21:42 DNAT for two external NIC Mikhail
2006-08-29 22:00 ` Pascal Hambourg [this message]
2006-08-30 7:15 ` Florent Guiliani
-- strict thread matches above, loose matches on Subject: below --
2006-09-01 1:01 Mikhail
2006-09-01 6:32 Ming-Ching Tiew
2006-09-01 8:35 ` longraider
2006-09-01 9:32 ` Ming-Ching Tiew
2006-09-05 2:29 Ming-Ching Tiew
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