too long Calling Station Ids

Alan DeKok aland at
Fri Dec 3 21:41:07 CET 2010

Bjørn Mork wrote:
> I fail to see how that is wrong.  It *is* the NASes Calling Station
> identificator.  What do you suggest a PPPoE concentrator should use?

  Something better.  VSAs, even.

  Using random fields in random "printable" formats is a bad idea.
RADIUS has the concept of "attributes".  These attributes have names,
specific meanings, and well-defined formats.  I have no idea why many
vendors are unable to use them.

> Yes, I know RFC 2865 says "phone number". But if fails to say anything
> about the situation where there is no originating phone number.  So
> vendors use what they have.  And port/vlan/mac is the best they can do
> unless they have some PPPoE intermediate agent information.

  So define VSAs.  Other vendors have.  It's not hard.

  Alan DeKok.

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