RE: Capabilities negotiation problem statement

[Bernard Aboba <aboba@internaut.com>]

> Yes, but mandatory attributes were included in Diameter from day-one.
> What happens to the "extended" RADIUS attribute format including the
> Mandatory bit when the RADIUS PDU passes through a proxy server that
> hasn't implemented the "extended" attribute format?
>
> I suppose this is the same as what happens to any other unrecognized
> attributes at proxy servers...  which is what, exactly?

In general, most proxies I've seen can be set either to pass along unknown 
attributes, to only allow a defined set of attributes to pass, or to 
completely replace some or all existing attributes with new ones. 

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