From: Vlad Yasevich <vladislav.yasevich@hp•com>
To: David Stevens <dlstevens@us•ibm.com>
Cc: netdev <netdev@vger•kernel.org>
Subject: Re: Configuring the same IP on multiple addresses
Date: Mon, 29 Oct 2007 15:44:26 -0400 [thread overview]
Message-ID: <4726381A.6050002@hp.com> (raw)
In-Reply-To: <OFF06924F1.9917F90F-ON88257383.006B3289-88257383.006B98D2@us.ibm.com>
David Stevens wrote:
> netdev-owner@vger•kernel.org wrote on 10/29/2007 11:03:37 AM:
>
>> So, I am looking for technical reasons why this is permitted.
>
> Vlad,
> Is there a technical reason to disallow it? Rather than
> anticipate all the possible uses for a machine, it's, of course,
> generally better to restrict only the things you know can't
> work, and allow everything else.
>
> +-DLS
For v4, not really, but it really confuses some people (and thus causes
me headaches ;-)
For v6, there are plenty of operational reasons to not allow this. You really
turn unicast into anycast when you do this and there are special rules to
be followed.
-vlad
next prev parent reply other threads:[~2007-10-29 19:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-29 18:03 Configuring the same IP on multiple addresses Vlad Yasevich
2007-10-29 19:36 ` David Stevens
2007-10-29 19:44 ` Vlad Yasevich [this message]
2007-10-29 20:36 ` David Stevens
2007-10-29 22:25 ` David Miller
2007-10-29 22:42 ` David Miller
2007-10-30 4:23 ` Brian Haley
2007-10-30 13:47 ` Vlad Yasevich
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