Discussion:
Quick check on PPPoE/A
andy
20 years ago
Permalink
Hey List

Excuse my profound ignorance, but as a resident of the UK I understand
that connecting to my ADSL provider will require the use of the ATM
protocol, hence PPPoA. I scoured the man pages for anything on PPPoA,
but only find PPPoE. The modem I'll be using is an ethernet one, so I
should imagine that configuring PPPoE in /etc/ppp/ppp.conf will work
just fine, but I just want to make sure I'm not about to put my foot in
it!! Also, for oA, will the settings be the same as for oE as per the
example in pppoe(8) ?

Cheers

A
Peter Hessler
20 years ago
Permalink
That isn't true. Here in the States, my DSL is over ATM, and I do not
require PPPoA/E.

If you do have to do PPPoA/E, check to see if the modem they give you will
do that.

On Wed, 09 Mar 2005 21:52:56 +0000
andy <***@onetel.com> wrote:

:Excuse my profound ignorance, but as a resident of the UK I understand
:that connecting to my ADSL provider will require the use of the ATM
:protocol, hence PPPoA.
--
It looks like blind screaming hedonism won out.
andy
20 years ago
Permalink
Post by Peter Hessler
That isn't true. Here in the States, my DSL is over ATM, and I do not
require PPPoA/E.
If you do have to do PPPoA/E, check to see if the modem they give you will
do that.
On Wed, 09 Mar 2005 21:52:56 +0000
:Excuse my profound ignorance, but as a resident of the UK I understand
:that connecting to my ADSL provider will require the use of the ATM
:protocol, hence PPPoA.
Thanks Peter. In the UK as in Belgium, the protocol is ATM, so am just
wanting to establish if - in order to make an ethernet modem work (and
yes, it *does* support probably all protocols) - I am to be following
the pppoe setup because I do not see anything separate for pppoa.

Thanks for any advice
Andy
Justin Krejci
20 years ago
Permalink
I have a DSL (in the USA) which is run over ATM. The DSL modem (technically it
is a router), converts the PPPoA signal into plain old ethernet so I don't
need anything special, just an ethernet network card. You could likely
contact your ADSL provider and ask them to get the most accurate information.
...
--
Public key http://www.krytosvirus.com/public.asc
Rob
20 years ago
Permalink
PPPoE/PPPoA

The Point to Point Protocol over Ethernet (PPPoE) is a method for
sending PPP packets in Ethernet frames. The Point to Point Protocol over
ATM (PPPoA) is typically run on ATM networks, such as those found in the
UK and Belgium.

Typically this means you can establish a connection with your ISP using
just a standard Ethernet card and Ethernet-based DSL modem (as opposed
to a USB-only modem).

If you have a modem which speaks PPPoE/PPPoA, it is possible to
configure the modem to do the connecting. Alternatively, if the modem
has a `bridge' mode, it is possible to enable this and have the modem
"pass through" the packets to a machine running PPPoE software (see below).

The main software interface to PPPoE/PPPoA on OpenBSD is pppoe(8), which
is a userland implementation (in much the same way that we described
ppp(8), above). A kernel PPPoE implementation, pppoe(4), has been
incorporated into OpenBSD -current; however, this will not be available
to non-current users until OpenBSD 3.7.

-openbsd online manual

Rob
--
Ender Tech Corp.
17725 Crenshaw Blvd.
Torrance, CA 90504
310-516-7411
310-491-9969
www.endertechnology.com
...
Craig Skinner
20 years ago
Permalink
Post by Rob
Typically this means you can establish a connection with your ISP using
just a standard Ethernet card and Ethernet-based DSL modem (as opposed
to a USB-only modem).
I work for a UK ISP (Lumison) and constantly talk people through setting
up business ADSL. We only dispatch Zyxel routers as we've trialed most
brands and found them to be the most reliable outside of Cisco. A 623 is
fine, order it with the ADSL line from our website.


Part of our cheat sheet (as taken from the BT docs) show:

* VPI/VCI checked (should be 0/38):
* Protocol (should be PPPoA):
* Encapsulation (should be VC-MUX):
* Modulation (should be G.DMT):
* Authentication (should be CHAP):
* WAN IP address assignment (should be dynamic):

(YES even if you are issued a static IP, the router must obtain its
address automatically, this is not done by DHCP, but by raduis)


When you've setup the router, if the DSL light flashes then goes steady,
try to surf the web. If not, make sure that you get a dial tone on the
phone line and can make normal voice calls (crackling, buzzing?). No
phone calls means a fault to BT for the PTSN (ordinary phone) line, call
150 to log a fault. 1-2 days for this to be fixed.

If you have to dial 9 to get out, you wont get DSL on the line (BT
FeatureLines are the exception, but often don't work so a seperate line
is often installed)

If still no connection, make sure that there is no other equipment on
the line (faxes, phones, extensions) and connect to the master BT socket
in the building.

No luck? replace the filter/splitter.

No luck? alter the user to "***@startup_domain" (no/any password
will do) and view http://www.bt.net/digitaldemo)

If that doesn't work, call your ISP, there is a fault on the
line/exchange and this must be faulted by the ISP through BT's eCo tool
after line checks via BT's Woosh tool. This call to the ISP will take
45mins+ (once you get to a tech support operator....).

Resolution for a BT line fault is measured in days and weeks (eek! make
a noise to the ISP that you need this for business reasons and would
like the call escalated, etc, etc.....).

If that does work there may have been a provisioning issue (eCo order
place on wrong line, etc, etc) or the username/password supplied by ISP
is wrong (check case 0's & O's, I's, l's & 1's etc)

Have fun once all this drama is over.

If you loose your new connection, power off the router for at least 30
secs and then if still no connection, try for progressively longer
periods of time for up to 5 mins, then call the ISP/email their support
via your free included dialup account. (above procedure will be repeated
and expect same response times, BT is a monopoly....)

Cheers,
Craig.
Craig Skinner
20 years ago
Permalink
Post by Craig Skinner
I work for a UK ISP (Lumison) and constantly talk people through setting
up business ADSL. We only dispatch Zyxel routers as we've trialed most
brands and found them to be the most reliable outside of Cisco. A 623 is
fine, order it with the ADSL line from our website.
Forgot to say, I recently found an ISP in the UK that uses OpenBSD:

http://www.bytemark.co.uk/company/network.html

Nice one lads!

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