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85 posts

Master Geek
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  Reply # 641661 15-Jun-2012 22:14 Send private message

It gets added transparently. The UFB is Layer 2 so there is no changing IP segements etc. so I don't expect that there is any relaying to be done.

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Uber Geek
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Orcon
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  Reply # 641666 15-Jun-2012 22:19 Send private message

wired: It gets added transparently. The UFB is Layer 2 so there is no changing IP segements etc. so I don't expect that there is any relaying to be done.


Kinda true

The OLT/ONT (can;t remember which) intercepts the DHCP packet, adds its option 82 stuff and sends it on. Its technically doing a DHCP Relay.





85 posts

Master Geek
+1 received by user: 17


  Reply # 641671 15-Jun-2012 22:34 Send private message

Ok I accept that, especially when reading Ray's link :)

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Ultimate Geek
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  Reply # 641673 15-Jun-2012 22:40 Send private message

ONT.
CircuitID isnt provided by chorus in any communications so an RSp cannot populate anything with the details. RemoteID on the other hand is simple enough as its the string CHORUS with the customers ASID appended. (for UFB).

This changes a lot less than the circuitID would, potentially.

So in an IPoE setup you can auth the connection based on the remoteID which is passed to you in DHCP Option82. Which as discussed is inserted by the ONT.

Mapping back to customers and making sense of accounting is an exercise for the reader:)





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