Date: Mon, 12 Jan 1998 18:54:45 -0800 (PST) From: Doug White <dwhite@gdi.uoregon.edu> To: Brian McGovern <bmcgover@cisco.com> Cc: questions@FreeBSD.ORG, dtd-miele-staff@cisco.com Subject: Re: PPP degrades with file type on NULL modem? Message-ID: <Pine.BSF.3.96.980112185132.22079Q-100000@gdi.uoregon.edu> In-Reply-To: <199801061504.KAA00368@bmcgover-pc.cisco.com>
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On Tue, 6 Jan 1998, Brian McGovern wrote:
> I was just running some tests on pppd here, between two Pentium Pro 200s
> connected via NULL-modem cable (via 16550).
>
> I ran pppd with -bsdcomp, crtscts, at 115200 baud.
[...]
> Anyone care explain to me why, when compression should not be involved, that
^^^^^^^^^^^
> I can't get throughput that collates with bps rate (ie - if I can get 10.72
> at 115200, why can't the other two files even come close?)? I just find
> it an oddity I'd like to have an explanation for :)
Did you disable *ALL* compression, including pred1 & VJ header?
Were both machines completely unloaded?
Were they both running FreeBSD?
> -Brian "Gotta Be in the Protocol" McGovern
Nobody said ppp was perfect ;-) Did you try usermode ppp for comparison?
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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