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Re: I-D Action: draft-linkova-6man-default-addr-selection-update-00.txt

Brian E Carpenter <brian.e.carpenter@gmail.com> Tue, 04 April 2017 22:18 UTC

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Subject: Re: I-D Action: draft-linkova-6man-default-addr-selection-update-00.txt
To: 6man <ipv6@ietf.org>
References: <149093611351.8864.5121956820429281359@ietfa.amsl.com>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
Message-ID: <1f8d497b-3286-2074-7c2e-f224ceda55a8@gmail.com>
Date: Wed, 05 Apr 2017 10:18:31 +1200
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As far as I can see this proposal makes sense and should work. But:

>    1.  The link-local address of the router in the new layer 2 domain
>        might be the same as the link-local address of the "old" router
>        (it's quite common to have link-local address on routers to be
>        explicitly configured, especially in VRRP-enabled environments)

Wow. Shouldn't there also be an operational recommendation to configure
non-clashing or at least highly-unlikely-to-clash addresses for
such routers?

   Brian

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