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Date:      Tue, 28 May 1996 17:47:58 -0700
From:      Doug White <dwhite@riley-net170-164.uoregon.edu>
To:        Robert Nicholson <robert@elastica.com>
Cc:        questions@FreeBSD.ORG
Subject:   Re: PPP... how does it work? 
Message-ID:  <199605290047.RAA25266@riley-net170-164.uoregon.edu>
In-Reply-To: Your message of "Tue, 28 May 1996 08:01:00 EDT." <199605281201.IAA03445@justine.elastica.com> 

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> Hi, is there any body on this list that has a good understanding as to
> how PPP works?

I do somewhat.  Mainly with user PPP.

> I ask because of all the times I've setup PPP I've only ever got it
> going properly this way...

> I've always have to configure my en0 regardless that I don't use
> it. I've find that relying on just the PPP interface and lo0 never
> works.

PPP doesn't use the ethernet interface.  It uses the 'tun0' tunnel device for 
it's magic.  

When PPP makes the connection it will handle configuring the tun0 interface; 
all you have to do is add a couple of routes.  


> Now, I've always had to configure en0 because I need to refer to
> justine, justine.elastica.com when the interface is offline
> . ie. sendmail, inn etc.

Routing should take care of this.


> So, if you aren't using your NIC I'd be interested in hearing how
> you've configured PPP.

Like normal, just adding appropriate routes.  If you don't even configure the 
device then even better.


> also, I ask all of this because I'm having a bitch of a time getting
> dp-4.0 and Solaris 2.5 working under Solaris x86.

I don't do slowaris.


Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major




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