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From: Rick Jones <rick.jones2@hp.com>
To: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Cc: netdev@vger.kernel.org
Subject: Re: Weak host model vs .interface down
Date: Fri, 11 Jun 2010 10:13:42 -0700	[thread overview]
Message-ID: <4C126EC6.9000506@hp.com> (raw)
In-Reply-To: <OFE6F71D1A.A94BE06C-ONC125773F.005C80CF-C125773F.005DF884@transmode.se>

> The weak model doesn't go into such detail, it is assumption/impl. detail
> to assume that the ip address still is part of the system even when the interface
> is down. One could just as well define interface down as temporarly removing
> the IP address from the system too. This makes make much more sense to me and
> if you always want the system to answer on a IP adress you make it an IP alias.
> 
> Since the current behaviour is a problem to me and routers in general, can
> we change this? What is the current usage model which needs it to stay as is?

Router != end-system  so I wouldn't think the weak or strong end-system model 
would apply to a router.  I think Stephen already posted a patch to allow that 
for when one's box was a router rather than an end-system.

rick jones
It's a router!
No, it's an end-system!
...
http://snltranscripts.jt.org/75/75ishimmer.phtml

  reply	other threads:[~2010-06-11 17:13 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-11 12:24 Weak host model vs .interface down Joakim Tjernlund
2010-06-11 15:48 ` [PATCH net-next-2.6] ipv4: sysctl to block responding on down interface Stephen Hemminger
2010-06-22 17:15   ` David Miller
2010-06-30 20:55     ` Stephen Hemminger
2010-06-30 20:58       ` David Miller
2010-06-28 19:03   ` Joakim Tjernlund
2010-06-28 19:42     ` Eric Dumazet
2010-06-28 21:09       ` Joakim Tjernlund
2010-06-28 21:28         ` Mitchell Erblich
2010-06-28 21:58           ` Joakim Tjernlund
2010-06-28 21:57         ` David Miller
2010-06-28 23:30           ` Joakim Tjernlund
2010-06-29  3:01             ` David Miller
2010-07-01 11:23     ` Andi Kleen
2010-07-01 11:48       ` Joakim Tjernlund
2010-06-11 16:32 ` Weak host model vs .interface down Rick Jones
2010-06-11 17:06   ` Joakim Tjernlund
2010-06-11 17:13     ` Rick Jones [this message]
2010-06-11 19:41       ` Joakim Tjernlund
2010-06-11 23:57         ` Mark Smith
2010-06-12  9:34           ` Joakim Tjernlund
2010-06-11 19:50     ` Mitchell Erblich
2010-06-11 20:46       ` Joakim Tjernlund

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