PPP

PPP does not come with AIX 3.2.x (only SLIP).

PPP support was announced for AIX 4.1.4, see:

David Crow caught the announcement of a non-IBM ppp package that
claims to support AIX 4.x. More information is availible from
or

A comercial PPP for AIX is availible from Morningstar
(sales@morningstar.com or marketing@morningstar.com) (800) 558 7827.