Re: [v6ops] A common problem with SLAAC in "renumbering" scenarios

Fernando Gont <fgont@si6networks.com> Thu, 21 February 2019 02:28 UTC

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From: Fernando Gont <fgont@si6networks.com>
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Date: Wed, 20 Feb 2019 23:26:29 -0300
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Subject: Re: [v6ops] A common problem with SLAAC in "renumbering" scenarios
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On 20/2/19 23:01, Erik Kline wrote:
[....]
>     >
>     >
>     > Not receiving multicast RAs is not a condition you can really take any
>     > action on.
> 
>     Agreed.
> 
>     The main issue I see with incorporating an explicit rule in RFC6724
>     about "freshness" is that in multi-prefix scenarios, it's guaranteed
>     that the default SA will oscillate among the different prefixes, and
>     that if you only implement this workaround, you wouldn't be able to
>     communicate with hosts actively employing your stale prefix.
> 
> 
> that's where rule 5.5 would help (wherever it is actually implemented;
> alas...)

Not sure what you mean. How would rule 5.5. prevent SA oscillation or
allow communication with the new "owner" of the stale prefix?


-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
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