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Date:      Tue, 30 Dec 2008 19:15:18 -0800
From:      "Kip Macy" <kmacy@freebsd.org>
To:        "Bruce M. Simpson" <bms@freebsd.org>
Cc:        src-committers@freebsd.org, svn-src-user@freebsd.org
Subject:   Re: svn commit: r186585 - user/kmacy/HEAD_fast_net/sys/netinet
Message-ID:  <3c1674c90812301915y5c42b01al445667b244cb0633@mail.gmail.com>
In-Reply-To: <495A4F27.1050502@FreeBSD.org>
References:  <200812300438.mBU4ceDK076135@svn.freebsd.org> <495A4F27.1050502@FreeBSD.org>

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On Tue, Dec 30, 2008 at 8:41 AM, Bruce M. Simpson <bms@freebsd.org> wrote:
> Kip Macy wrote:
>>
>> Author: kmacy
>> Date: Tue Dec 30 04:38:39 2008
>> New Revision: 186585
>> URL: http://svn.freebsd.org/changeset/base/186585
>>
>> Log:
>>  make ipv4 forwarding flowtable aware
>>
>
> This is so that we continue to use the same IPv4 next-hop consistently in an
> ECMP enabled kernel for sockets, right?


Caching the rtentry in the inpcb (an earlier commit) already does that
for connected sockets. This allows ip_forward to consistently forward
packets to the same host so that ECMP can be used for server load
balancing.

Cheers,
Kip



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