Re: [homenet] biggest L2 domain

Michael Richardson <mcr@sandelman.ca> Fri, 13 December 2019 20:11 UTC

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From: Michael Richardson <mcr@sandelman.ca>
To: Gert Doering <gert@space.net>
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Date: Fri, 13 Dec 2019 15:11:21 -0500
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Subject: Re: [homenet] biggest L2 domain
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Gert Doering <gert@space.net> wrote:
    > On Fri, Dec 13, 2019 at 09:54:08AM -0500, Michael Richardson wrote:
    >> I thought that we wrote somewhere in RFC7368 that the Homenet router should
    >> collect as many ports as possible together into a single L2 zone.
    >> I can't find that text right now. Did it go away?
    >>
    >> In testing, we have found a device that does not put it's 5-"LAN" ports into
    >> a bridge.  That's probably a missing configuration, but in the meantime, we
    >> have an interesting HNCP and naming setup!

    > My understanding of "homenet" and "HNCP" devices has always been "every
    > single hole in the box is a routed port".  Now that's my understanding and
    > not necessarily written down somewhere.

It wasn't intended to be automatic, but rather based upon provisioned
knowledge that a device had.

The intent was to avoid routing-at-layer-two (i.e. spanning tree, etc.), but
not to replace switches.

--
]               Never tell me the odds!                 | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works        |    IoT architect   [
]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on rails    [