From: Oleg <lego12239@yandex.ru>
To: Christoph Pleger <Christoph.Pleger@cs.tu-dortmund.de>
Cc: linux-admin@vger.kernel.org
Subject: Re: Policy routing problem
Date: Tue, 23 Oct 2012 15:27:19 +0400 [thread overview]
Message-ID: <20121023112719.GB21445@localhost> (raw)
In-Reply-To: <56295.129.217.4.64.1350990304.squirrel@postamt.cs.uni-dortmund.de>
On Tue, Oct 23, 2012 at 01:05:04PM +0200, Christoph Pleger wrote:
> Hello,
Hi.
>
> I am running a DHCP-Server that serves multiple subnets. The server has
> an IP address in all of these subnets, and its primary IP address in a
> subnet that is not served by DHCP. Every IP address has its own VLAN
> Ethernet interface, eth0.102, eth0.104, etc. In this setup, the DHCP
> server often does not send its unicast replies on the interface where it
> received the corresponding request, but on the interface of its primary
> IP address, and with that IP. My first thought how to change this was by
> setting routes depending on destination addresses, but this would cause
> big problems with other services running on the same machine, so I tried
> to combine iproute2 and iptables, like this:
If you have a separate IP for an each interface, everything should be
ok, because of device routes.
Show ip rou output for your vlans.
next prev parent reply other threads:[~2012-10-23 11:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-23 11:05 Policy routing problem Christoph Pleger
2012-10-23 11:27 ` Oleg [this message]
2012-10-23 13:23 ` Christoph Pleger
2012-10-23 14:47 ` Oleg
2012-10-23 12:16 ` Jimmy Thrasibule
2012-10-23 14:14 ` Christoph Pleger
2012-10-24 14:27 ` Giles Coochey
-- strict thread matches above, loose matches on Subject: below --
2012-10-23 15:14 Christoph Pleger
2012-10-24 13:40 ` Oleg
2012-10-25 9:23 Christoph Pleger
2012-10-25 9:25 Christoph Pleger
2012-10-25 10:38 ` Giles Coochey
2012-10-25 12:57 Christoph Pleger
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