From owner-freebsd-hackers  Mon Apr 14 23:06:00 1997
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Date: Tue, 15 Apr 1997 16:02:00 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199704150602.QAA13952@godzilla.zeta.org.au>
To: danny@panda.hilink.com.au, yonny@ingenieria.ingsala.unal.edu.co
Subject: Re: Two ppp connections under serial ports...
Cc: hackers@freebsd.org, questions@freebsd.org
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>But I can't to establish on both ports ppp connections at sametime, only 
>in one.

For 2 ppp connections you need at least 2 ppp interfaces.  The commented
out example in GENERIC only gives 1.

Bruce