[pptp-server] Maximum number of users

[Igor Maciel Macaubas]

Hi,
I don't think so...
I've done this modification to the algoritm, and now I get a new error: too
many open files in the system.
This one I know how to solve. Add this to your how-to:

#To increase the open-files limit:
echo 16384 > /proc/sys/fs/file-max
echo 24576 > /proc/sys/fs/inode-max

I think that it should work. Now I'll be looking to my server, and see if
its ok!
Thanks for your help Torge ! :)


Regards,
Igor
--
igor.maciel at mailbr.com.br


----- Original Message -----
From: "Torge Szczepanek" <pptp-server at szczepanek.de>
To: <pptp-server at lists.schulte.org>
Sent: Saturday, April 13, 2002 4:46 AM
Subject: Re: [pptp-server] Maximum number of users


> Am Sam, 2002-04-13 um 03.27 schrieb Igor Maciel Macaubas:
> > But right now I have 100 users connected into my server, and it's
impossible
> > to connect.
> > I get lot's of this error into /var/log/messages:
> > Apr 13 00:29:35 vpn02 kernel: ppp_alloc failed
> > Apr 13 00:29:36 vpn02 kernel: ppp: dev_alloc_name failed (-23)
> > Apr 13 00:29:36 vpn02 kernel: ppp_alloc failed
> > I saw into the linux kernel that ppp_alloc is a function of the kernel
> > (drivers/net/ppp.c). So I suppose that I need to change the kernel
source
> > code to increase the number of connections. Please help me to increase
this
> > limit. I need this hurry.
>
> Take a look at the kernel source at net/core/dev.c
>
> There is a line:
>
> If you need over 100 please also fix the algorithm...
>
> In the for loop below that comment change the number 100 to 2048.
>
> for (i = 0; i < 100; i++) {
>
> to
>
> for (i = 0; i < 2048; i++) {
>
> Also increase the number of Unix PTYs to 2048. Otherwise you are stuck
> with 256 users because of the limited number of Unix-PTYs.
>
> Recompile your kernel and start with your new kernel.
>
> You now have a maximum of 2048 users. ;-)
>
> --
> Torge Szczepanek
>
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