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Re: A common problem with SLAAC in "renumbering" scenarios

Fernando Gont <fgont@si6networks.com> Tue, 05 February 2019 04:07 UTC

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Subject: Re: A common problem with SLAAC in "renumbering" scenarios
To: Mikael Abrahamsson <swmike@swm.pp.se>, Ole Troan <otroan@employees.org>
Cc: 6man WG <ipv6@ietf.org>
References: <60fabe4b-fd76-4b35-08d3-09adce43dd71@si6networks.com> <alpine.DEB.2.20.1901311236320.5601@uplift.swm.pp.se> <m1gpCcz-0000FlC@stereo.hq.phicoh.net> <ddd28787-8905-bafd-3546-2ceef436c8b0@si6networks.com> <m1gptWx-0000G3C@stereo.hq.phicoh.net> <69609C58-7205-4519-B17A-4FBC8AE2EA16@employees.org> <d40b41c3-ff1b-cab4-a8de-16692a78e8fd@go6.si> <D1E45CAD-08D0-43D4-90F7-C4DD44CB32C0@employees.org> <alpine.DEB.2.20.1902041330531.23912@uplift.swm.pp.se>
From: Fernando Gont <fgont@si6networks.com>
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Date: Tue, 05 Feb 2019 00:51:03 -0300
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On 4/2/19 09:34, Mikael Abrahamsson wrote:
> On Mon, 4 Feb 2019, Ole Troan wrote:
> 
>> Now, I know there are cases where huge swats of users are moved from
>> one aggregation point in the network to another, where routing would
>> end up very messed up if customer weren’t renumbered, and also that in
>> those cases that flash renumbering is a lot easier to do, but those
>> are typically known events.
> 
> My current ISP has stated that their intention is to make sure people
> keep the same prefix as long as their HGW is alive,

So.. what happens when the CPE crashes and reboots?


-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492

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