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Re: [v6ops] Flash renumbering

Ted Lemon <mellon@fugue.com> Fri, 18 September 2020 19:52 UTC

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From: Ted Lemon <mellon@fugue.com>
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Date: Fri, 18 Sep 2020 15:51:51 -0400
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Cc: Richard Patterson <richard@helix.net.nz>, "v6ops@ietf.org" <v6ops@ietf.org>
To: Vasilenko Eduard <vasilenko.eduard@huawei.com>
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Subject: Re: [v6ops] Flash renumbering
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On Sep 18, 2020, at 3:47 PM, Vasilenko Eduard <vasilenko.eduard@huawei.com> wrote:
> From standard point of view
> local traffic should not stop after CPE would lose uplink,
> Because internal CPE switch should still switch traffic
> After internal CPE router would stop promoting itself a router for this link

That’s at layer 2. At layer 3, we need a stable prefix so that the traffic continues to flow during the external renumbering event without breaking internal traffic.

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