netdev - Re: network namespaces usage in routing appplications with VRF-like features

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Message-ID: <CAKoUArm6tjjSkLuno-5ZoCJ+mA8bLdoFExHXNFSpb6OXKz=_Bg@mail.gmail.com>
Date:	Thu, 14 Nov 2013 13:18:00 +0200
From:	Rami Rosen <roszenrami@...il.com>
To:	Jacob Avraham <Jacob.Avraham@...pass-eos.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: network namespaces usage in routing appplications with VRF-like features

Hi,
>  Does RTNETLINK API support adding routes to a particular namespace routing table?
No, at least not directly (though there are cases where you can
specify a network device the  RTNETLINK API requests. And in network
namespaces, a network device can belong only to one network namespace
at a given moment. But I am not sure if it is enough for your needs)

Regards,
Rami Rosen
http://ramirose.wix.com/ramirosen



On Wed, Nov 13, 2013 at 2:56 PM, Jacob Avraham
<Jacob.Avraham@...pass-eos.com> wrote:
> Hi,
> I'm trying to evaluate the use of network namespaces in some routing applications, which are currently based on the VFR patchset.
> I was thinking about distributing several interfaces among a few namespaces, whereby each namespace has its own routing table(s), ala VRF.
> The questions that I have are:
> 1. Can I open a listening socket that accepts traffic from all interfaces in all namespaces? That's the current behavior of my routing protocol daemons.
> 2.   Does RTNETLINK API support adding routes to a particular namespace routing table?
>
> Thanks,
> Jacob
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