pptpd problem (re-post)

[Lokadamus]

Am 15.05.2011 20:03, schrieb Mario Lobo:
> Sorry for the re-post but I am really lost here.
> Any hints, clues, pointers, opinions would be appreciated.
>
> I have a VPN server on FBSD 8.1. The vpn closes fine. But as soon as I start
> doing something with an inside LAN machine i.e. an RDP session, I get this:
>
> May 14 12:46:06 suporte pptpd[1958]: GRE: xmit failed from decaps_hdlc: No
> buffer space available
> and the VPN tunnel drops.
>
> I googled a lot for it but I didn't find any thing that could help.
> The system WAS working OK before. I tried everything I could think of.
>
> Could anyone help?
> Thanks,
Help this? http://forums.freebsd.org/showthread.php?t=1528
Your values are:

net.inet.tcp.recvbuf_inc=16384
net.inet.tcp.recvbuf_max=16777216
net.inet.tcp.sendbuf_inc=8192
net.inet.tcp.sendbuf_max=16777216

Is ping working?
Have you upgrade to FreeBSD 8.2?

Sorry for my bad english :(