[Scottish] PPPoE vs PPPoA

Andrew Back andy at smokebelch.org
Tue Jun 17 21:44:56 BST 2008

On Tue, 17 Jun 2008, William Anderson wrote:

> Matt Causey wrote:
>> [snip]
>> This is when I learned that Tiscali does -not- support PPPoE, but rather 
>> PPPoA.  O'course, my Cisco PIX only supports the more flexible PPPoE 
>> method.  Grr.
>> Is this the case with all ISPs here in the UK?  Anyone have an old Cisco 
>> ATM device sitting around? :)
> Welcome to the UK, and Scotland in particular :)
> Sorry, pretty much all UK ADSL uses PPPoA, and the ATM part is for the actual 
> backhaul out of the exchanges.  You won't need any ATM CPE gear to connect.

That's what I thought, I.e. that you might only get PPPoE when an ISP has 
say taken advantage of LLU. But I have now been told by two different 
people that PPPoE can work, and a quick Google seems to reinforce this:



You would of course need an ADSL presentation (E.g. G.DMT) and I'm 
guessing PPPoE might not work on all exchanges.


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