Re: Forwarding Packets With Link Local Destination Addresses

Fred Baker <fredbaker.ietf@gmail.com> Thu, 07 January 2021 18:29 UTC

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From: Fred Baker <fredbaker.ietf@gmail.com>
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Subject: Re: Forwarding Packets With Link Local Destination Addresses
Date: Thu, 7 Jan 2021 10:29:13 -0800
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To: Ron Bonica <rbonica=40juniper.net@dmarc.ietf.org>
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I would think the RFC is pretty clear on the topic.

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> On Jan 7, 2021, at 9:54 AM, Ron Bonica <rbonica=40juniper.net@dmarc.ietf.org> wrote:
> 
> 
> Folks,
>  
> According to RFC 4291, “routers must not forward any packets with Link-Local source or destination addresses to other links”.
>  
> I interpret this statement to include packets that contain routing headers. For example, it forbids an SRv6 packet whose final segment has a locator that begins with FE80.
>  
> Does everyone share this interpretation? If so, do RFC 4291 or RFC 8200 make this sufficiently clear?
>  
>                                                                                                    Ron
> 
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