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From: David Miller <davem@davemloft.net>
To: sowmini.varadhan@oracle.com
Cc: stsp@list.ru, netdev@vger.kernel.org, alexander.duyck@gmail.com
Subject: Re: Q: bad routing table cache entries
Date: Tue, 12 Jan 2016 15:33:35 -0500 (EST)	[thread overview]
Message-ID: <20160112.153335.213439668062764562.davem@davemloft.net> (raw)
In-Reply-To: <20160112144725.GA30240@oracle.com>

From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Date: Tue, 12 Jan 2016 09:47:25 -0500

> On (01/12/16 17:40), Stas Sergeev wrote:
>> Updated testing results:
>> After I disabled shared_media not only for "all", but
>> also for _all_ interfaces individually, the problem seem to
>> have stopped. So thanks for these hints.
>> Now, as the media is actually really shared (same NIC/cable),
>> I just wonder what's going on here.
> 
> I dont know the history of the shared_media tunable (or
> the rationale behind the default) - I was just reading out the
> code - perhaps someone on the list who has the history can share 
> the motivation behind this tunable.

Most of the choices for defaults for ipv4 routing and ARP behavior
are motivated by two things:

1) host based addressing model

2) increasing the chance of successful communication with peers

  reply	other threads:[~2016-01-12 20:33 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-29 10:54 Q: bad routing table cache entries Stas Sergeev
2015-12-29 11:58 ` Sowmini Varadhan
2015-12-29 12:06   ` Stas Sergeev
2015-12-29 12:32     ` Sowmini Varadhan
2015-12-29 12:43       ` Stas Sergeev
2015-12-29 13:19 ` Stas Sergeev
2015-12-29 15:22 ` Sowmini Varadhan
2015-12-29 15:38   ` Stas Sergeev
2015-12-29 17:40     ` Stas Sergeev
2015-12-30 12:42   ` Stas Sergeev
2015-12-30 14:17     ` Eric Dumazet
2015-12-30 17:56       ` David Miller
2016-01-04  1:05     ` Sowmini Varadhan
2016-01-04  1:32       ` Stas Sergeev
2016-01-04 17:23       ` Stas Sergeev
2016-01-12 14:40   ` Stas Sergeev
2016-01-12 14:47     ` Sowmini Varadhan
2016-01-12 20:33       ` David Miller [this message]
2016-01-12 15:34 ` Hannes Frederic Sowa
2016-01-12 15:52   ` Hannes Frederic Sowa
2016-01-12 16:03     ` Stas Sergeev
2016-01-12 16:10       ` Hannes Frederic Sowa
2016-01-12 16:42         ` Stas Sergeev
2016-01-12 16:56           ` Stas Sergeev
2016-01-12 17:06             ` Hannes Frederic Sowa
2016-01-12 17:18               ` Stas Sergeev
2016-01-12 17:26                 ` Hannes Frederic Sowa
2016-01-12 17:33                   ` Stas Sergeev
2016-01-12 17:47                     ` Hannes Frederic Sowa
2016-01-12 20:43                       ` Stas Sergeev
2016-01-12 22:26                         ` Hannes Frederic Sowa
2016-01-12 22:57                           ` Stas Sergeev
2016-01-12 23:07                             ` Hannes Frederic Sowa
2016-01-13 12:59                               ` Stas Sergeev
2016-01-12 17:41                   ` Stas Sergeev
2016-01-12 15:57   ` Stas Sergeev

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