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[homenet] auto-passthrough from ISP routers

Michael Richardson <mcr+ietf@sandelman.ca> Wed, 22 July 2020 01:52 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: "STARK, BARBARA H" <bs7652@att.com>, homenet@ietf.org
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Date: Tue, 21 Jul 2020 21:52:36 -0400
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Subject: [homenet] auto-passthrough from ISP routers
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In the ADD WG, Barbara STARK, BARBARA H <bs7652@att.com> wrote:
    > [BHS] While my ISP requires me to use the CE router they supply, I’ve
    > never had an issue connecting that to my own router and then running my
    > home network from my router. The CE router from my particular ISP
    > (YMMV) even automatically passes on the public IPv4 address it acquires
    > and a /64 IPv6 prefix to my router (so IPv4 just has the single NAT and
    > IPv6 works great). I have total ability to choose any router I want and
    > configure that router as much as that router vendor’s GUI allows (e.g.,

1) Does your ISP provides router auto-detect that there is another router behind
   it, and turn itself into a modem only?  or did you have configure that?

2) I can imagine how a cable modem/router could become a bridge, and all
   would be well.
   But, I think that AT&T is more in the DSL space with PPPoE.
   Does this work for PPPoE, and if so, do you have to put the PPPoE
   password, into your "own" router?
   The ppp password is among those things that ISPs like to provision automatically.

I'm really hoping that there is some technology out there that I'm ignorant of.
(but, I'm cynically thinking that the technology involves sending Barbara out
in a GPS equipped truck)

--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-

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