Re: PPTP Tunnel
Seamus,
Firstly, for this application, you should be using FreeS/WAN (see
www.freeswan.org). While PoPToP is indeed useful for allowing MS clients
to connect to linux servers, it is far from ideal in this application. I
have several IPSec WAN tunnels that have been up without error for over
8 months.
Good Luck,
Christopher
On Tue, 2003-04-22 at 01:06, seamus none wrote:
> I am trying to figure out a problem between 2 Debian 3.0 boxes being
> used to create a PPTP tunnel between two offices. There are two
> tunnels set up; one going over the primary 5Mb RF connection and the
> second over a 128Kb DSL connection. The problem is intermittent but
> is more frequent over the RF connection. The kernel (2.4.20) has been
> patched for mppe. I am not sure what causes the problem but the RF
> connection is not stable. Bandwidth comes and goes bringing down the
> primary tunnel and the tunnel sometimes does not come back up when the
> connection returns. I read something in a list that said it may be
> cause by header compression so I removed that with the 'noccp' option
> and that seemed to fix the problem for a few days but it's happening
> again. Here is some of the stuff I see in my syslog:
>
>
>
> Apr 21 14:25:22 host1 pptpd[4560]: CTRL: PTY read or GRE write failed
> (pty,gre)=(-1,-1)
> Apr 21 14:25:22 host1 pptpd[4560]: CTRL: Client 172.16.0.1 control co
> nnection finished
> Apr 21 14:25:22 host1 pptpd[4557]: MGR: No free connection slots or I
> Ps - no more clients can connect!
> Apr 21 14:25:22 host1 pptpd[4565]: CTRL: Client 172.16.0.1 control co
> nnection started
> Apr 21 14:25:22 host1 pptpd[4565]: CTRL: EOF or bad error reading ctr
> l packet length.
> Apr 21 14:25:22 host1 pptpd[4565]: CTRL: couldn't read packet header
> (exit)
> Apr 21 14:25:22 host1 pptpd[4565]: CTRL: CTRL read failed
>
> The tunnel is set to persist so it will go down and come back up by
> itself...go figure. I am no Linux guru but I would be obliged to
> anyone who could help me. I am good with Cisco stuff if anyone would
> like a favor in return.
>
> Seamus
>
>
>
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