[lug] Anyone with PPP multilink experience?

[Harris, James]

Really great info! Thanks!  That helps clear up most of my questions.  I did
see the reference to the "multilink" lines that you have to add to the
script.  I'll read the manpage a few more times.  There are also some good
looking examples on Google Groups that I found, so now I feel a bit more
confident.  I think this is the way to go.  I'm looking at the mangpage for
wvdial right now and think I'll give it a try.

Thanks for all the feedback,
Jim Harris

-----Original Message-----
From: Charles Morrison [mailto:cmorrison at greeleynet.com] 
Sent: Thursday, March 21, 2002 12:13
To: lug at lug.boulder.co.us
Subject: Re: [lug] Anyone with PPP multilink experience?


Harris, James wrote:

>Thanks!  Did the kernel tweaks that you're referring to come as a 
>result of trying to use Multilink, or was it more from the hand rebuild 
>of the kernel (I'll also be doing NAT)?  I assume it was probably just 
>selecting the right options like forwarding and firewalling etc.
>
As I recall it was both. The PPP option to use multilink is in the 
developmental part of the kernel mods as is the NAT, forwarding stuff. 
If you do a "make menuconfig" or "make Xconfig" in /usr/src/linux (as 
root) in the first selection you'll find the choice to "prompt for 
developmental options" or some such wording. This is what you have to 
have enabled to get to the options you need. Otherwi
You'll want to do a "make bzImage" most likely. On X86 machines that old 
640k limit bites.se, they just aren't there.

>
>About the second leg going down.  Can you manually down it, or does it 
>just survive when a death occurs?
>
I use wvdial to start each modem. I'm using frii and I have two modems 
set up with different IDs. The options file needs to have multilink on 
(mm?) and the kernel PPP mod has to be complied to support multilink. 
Starting the first connection starts the bundle and starting the second 
one adds the second bundle. Sometimes the second actually slows things 
down, so I simply ^c out of it and start it (just the second connection) 
again.

>
>Thanks again for the info!
>
>-----Original Message-----
>From: Charles Morrison [mailto:cmorrison at greeleynet.com]
>Sent: Thursday, March 21, 2002 10:47
>To: lug at lug.boulder.co.us
>Subject: Re: [lug] Anyone with PPP multilink experience?
>
>I'm doing this with a SUSE distro. It works pretty well most of the
>time. I'm in an area where 21k is a really fast connection. using 
>multilink gets me up to ~56k speeds sometimes. At less ideal times it at 
>least keeps a slower connection up instead of dropping regularly.
>
>Let's see, setup. Make sure this is supported in your kernel, which is
>to say you have to rebuild it. Make sure you select the 
>incomplete/development option or you'll never find it. I'm using NAT so 
>I had to do a bunch of ther kernel tweaks too.
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>



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