Re: [v6ops] RFC6459 "IPv6 in 3GPP" - the IID in the LL address and GUA

Alexandre Petrescu <alexandre.petrescu@gmail.com> Wed, 12 July 2017 12:03 UTC

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To: Lorenzo Colitti <lorenzo@google.com>
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From: Alexandre Petrescu <alexandre.petrescu@gmail.com>
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Subject: Re: [v6ops] RFC6459 "IPv6 in 3GPP" - the IID in the LL address and GUA
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Le 12/07/2017 à 13:43, Lorenzo Colitti a écrit :
> On Wed, Jul 12, 2017 at 8:41 PM, Alexandre Petrescu 
> <alexandre.petrescu@gmail.com <mailto:alexandre.petrescu@gmail.com>>
> wrote:
> 
> Because, in practice some operator on some APN puts a GUA (not an 
> LLA) on its router's interface towards the UE.  It uses that GUA in 
> the src of the RA sent to the UE.  Packet dump available upon
> request.
> 
> 
> Just because you see it on a USB dongle does not mean the operator is
>  doing it.

I dont know what you mean precisely by USB dongle, but I dont see it on
an USB dongle.

I see it with tcpdump on a Sierra IoT module running a form of embedded
linux, gnueabi is the target of the cross compiler.  It uses /dev/ttyAT
device.

Alex