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Date:      Tue, 27 Mar 2001 12:31:58 -0800 (PST)
From:      Archie Cobbs <archie@dellroad.org>
To:        Dan Larsson <dl@tyfon.net>
Cc:        Martin@McFlySr.Kurgan.Ru, freebsd-net@FreeBSD.ORG
Subject:   Re: mpd-netgraph bandwidth settings
Message-ID:  <200103272031.f2RKVwQ43964@arch20m.dellroad.org>
In-Reply-To: <20010327083539.M75583-100000@hq1.tyfon.net> "from Dan Larsson at Mar 27, 2001 08:42:55 am"

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Dan Larsson writes:
> | > | link.h:  #define LINK_DEFAULT_BANDWIDTH 64000           /* 64k */
> | > | pptp.c:  #define PPTP_CALL_MAX_BPS      64000
> | > | pptp.c:   PPTP_OCR_RESL_OK, 0, 0, 64000 /*XXX*/ );
> | > | pptp_ctrl.c:  con.speed = 64000;                        /* XXX */
> | >
> | > Thanks!
> | >
> | > | ps. but why?
> | >
> | > There's loads of spare bandwidth.
> |
> | It doesnt' matter.. the bandwidth values reported by PPTP are
> | meaninless unless you are doing remote dialin/dialout (mpd doesn't
> | do this, it just uses PPTP for tunneling).
> 
> So changing the hardwired settings actually doesn't bump up the bandwidth?

Correct.. 

There are two bandwidth definitions used by mpd.. one used for
multilink fragmentation computations (and then only if you have
>= 2 links that are not all the same), and the one used during PPTP
call setup. The latter is completely ignored, while the former is
ignored 99% of the time.. the ther 1% being the case mentioned.

-Archie

__________________________________________________________________________
Archie Cobbs     *     Packet Design     *     http://www.packetdesign.com

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