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Why do most ISP's use PPPOE? Anyway to get them to stop?

option 61?

Don't need anything on the CPE. OLT can insert GEM port details / ONT serial to identify punter. Traffic in a CVLAN in turn encapsulated in an SVLAN for delivery to the ISP.

Can do similar on VDSL or ADSL, and indeed BT Wholesale documentation gives details of the DHCP options they insert with their IPoE offering.

YouFibre know which connection is mine without any kind of authentication from me. They know the ONT I have, which port it's on on which chassis and line card, the GEM port that's produced at connection time.

Have a looksie at https://www.openreach.co.uk/cpporta...e/help-and-support/sins/documents/SIN_506.pdf section 2.1.8 - Openreach put all the relevant cool stuff into option 82 including a comprehensive circuit ID.
 
PeGV9Ff.png

Anyway to reveal that PW?
Just ask them! Box allow you to use your own router and will provide you a bridge ONT if you ask them.

Also see DM

:)
 
If your broadband router can't process PPPoE efficiently, then you have a rubbish router.
especially those who use the ISP-supplied router (which is most of them).
For now though. It's not the case in the UK market, but in Italy where to push adoption the marketing strategy has always been to offer unrestricted bandwidth only based on which technology was available at the address is actually putting ISPs under pressure due to hardware hitting limitations with PPP, even accelerated.
It's common to have 2.5G/500M or 2.5G/1G on GPON and the overhead starts to be quite noticeable. On XGS-PON it's even worse, as the profile sold is 10G/2G the router that is included is now sold in instalments together with the connectivity contract (unless you opt for "free modem" which is a law in Italy).
As commercial speeds increase in the UK too someone will have to think about it.
And nowadays you can absolutely do IPoE without wasting too much v4 addresses, there's various techniques, such as tunnel/incapsulate on the ISP side each customer in an isolated C-VLAN as @XGS_Is_On rightly said and the wholesaler can send you all the parameters needed to identify each circuit.
 
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