[pptp-server] Lots of Concurrent PPP interfaces

[knup]

i forget where it is, but early on there was a bit of discussinon about what
was needed to run poptop with ~2048 connections.. search the first few
months of the archives.

the pppd numbering thing is just another #define i think

Kevin

----- Original Message -----
From: Stan A. Rogge <stan at rogge.net>
To: poptop <pptp-server at lists.schulte.org>
Sent: Tuesday, March 07, 2000 2:56 PM
Subject: [pptp-server] Lots of Concurrent PPP interfaces


> Anyone out there ever configured a server for quite a lot of concurrent
> VPNs?
>
> I have managed to get 100 concurrent connections, but pppd will not build
an
> interface beyond ppp99.
>
> I get this error:
>
> kernel: ppp: dev_alloc_name failed (-23)
> kernel: ppp: ppp_alloc failed
> pppd[1722]: ioctl(TIOCSETD): Too many open files in system(23)
>
>
> I have already adjusted a few things in the kernel, like:
>
> netlink.h    MAX_LINKS    2048
> limits.h    NR_OPEN    2048
> limits.h    OPEN_MAx    1024
> tty.h    MAX_NR_CONSOLES    2047
>
> In the kernel's .config I have:
>
> CONFIG_UNIX98_PTYS=y
> CONFIG_UNIX98_PTY_COUNT=2048
>
> I am using linux-2.2.13 with ppp-2.3.8 with the microsoft patches for
their
> gay encryption.  My setup works ok.  Been using it all for quite a while
for
> both PPTP and SSH VPNs, at least thats my story.
>
> My last assigned device to pppd was pts/100.  I have 235 processes on the
> box.
>
> My target is to see how many concurrent PPP interfaces can be achieved
> concurrently.  I want around 1300 or so, but am stuck with PPP0 - PPP99.
>
> If anyone has been here before, please share your wisdom.  I really have
not
> seen any info on this in the traditional documentation.  I have look
around
> at some of the code for PPP, but do not see this particular limit.  I fear
> it may be ioctl stuff.
>
> Thanks in advance.
>
>
>
>
>
>
> _______________________________________________
> pptp-server maillist  -  pptp-server at lists.schulte.org
> http://lists.schulte.org/mailman/listinfo/pptp-server
> List services provided by www.schulte.org!
>