[pptp-server] CTRL: PTY read or GRE write failed (pty,gre)=(5,6)
Murali K. Vemuri
muralivemuri at multitech.co.in
Thu Nov 22 01:01:43 CST 2001
hi,
the best i can help you is :
delete the line : proxyarp
from /etc/ppp/options.pptp
and for localip, put only one ip address and put range only for remote
ip.
and be sure that remote range excludes the local ip .
typically, localip 192.168.1.1
and remoteip 192.168.1.2-254
or some thing like this should work.
and this worked for me.
regds
murali
Mark Burring wrote:
> No problem1) 2 NIC'seth0 - internaleth1 - external2) done so, I always
> compile pty support into the kernel and its definitely there (my ssh
> logins are producing pty's as we speak)3) pptpd.conf {debug
> option /etc/ppp/options.pptp
> localip 192.168.xxx.xxx-xxx
> remoteip 192.168.xxx.xxx-xxx
> }options {asyncmap 0
> crtscts
> proxyarp
> lock
> ttyS1}ioptions {}options.pptp {lock
> debug
> proxyarp
> +chap
> +chapms
> +chapms-v2
> mppe-40
> mppe-128
> mppe-stateless
> auth
> require-chap
> +chap
> ms-dns 192.168.xxx.xxx
> ms-wins 192.168.xxx.xxx
> name xxxxxx
> }/proc/modules {mppe 21696 0 (unused)
> ppp 20336 0 [mppe]
> slhc 4544 0 [ppp]
> }4)typically the setup is this
> |---------eth1<->internet linux
> |---------eth0<->intranet --Regards, Mark Burring
> Internetworking Engineer Deeptech - Intelligent Networking
> Deepcare - Caring for Your IT Investment
> web: www.deeptech.com.au ; www.deepcareonline.com
> phone: 1300 361 954
> fax: +61 8 9201 2312
> postal: PO BOX 1324, West Perth WA 6872
>
> -----Original Message-----
> From: Murali K. Vemuri [mailto:muralivemuri at multitech.co.in]
>
> Sent: Thursday, November 22, 2001 2:14 PM
> To: Mark Burring
> Cc: pptp-server at lists.schulte.org
> Subject: Re: [pptp-server] CTRL: PTY read or GRE write
> failed (pty,gre)=(5,6)
> hi,
> can you give this info?
> 1. how many ether net cards do you have?
> 2. double-- literally double ensure that when you compiled
> the kernel, you enable unix pty support.
> 3. this error could also be because of different network
> addresses. check your settings.
> if you still get the problem, it would be convenient if you
> can provide the following files:
> /etc/ppp/options
> /etc/ppp/ioptions
> /etc/pptpd.conf
> /etc/modules.conf
> /var/log/pptpd.log
> and a typical diagram of your setup( along with ip
> addresses)
> regards
> murali
> Mark Burring wrote:
>
> > I have deplyed PopTop so several servers to replace M$ vpn
> > capability (mainly because W2K cannot multihome without
> > dying) and one machine I get these errors:Nov 22 13:52:22
> > perth pptpd[16100]: CTRL: Client ***.***.***.*** control
> > connection started
> > Nov 22 13:52:22 perth pptpd[16100]: CTRL: Starting call
> > (launching pppd, opening GRE)
> > Nov 22 13:52:22 perth pptpd[16100]: GRE:
> > read(fd=5,buffer=804d8a0,len=8196) from PTY failed: status
> > = -1 error = Input/output error
> > Nov 22 13:52:22 perth pptpd[16100]: CTRL: PTY read or GRE
> > write failed (pty,gre)=(5,6)
> > Nov 22 13:52:22 perth pptpd[16100]: CTRL: Client
> > ***.***.***.*** control connection finishedThis problem is
> > listed in the FAQ and is caused by it being behind a
> > firewall. However in this case, the machine is not behind
> > a firewall, it is the firewall.I have1) added entries to
> > the box's firewall to let 1723 and proto 47 through (not
> > that they were being blocked in the first place)2) tried
> > flushing the box's firewall rules3) tried binding poptop
> > to the external interfaceThe only thing of note is that
> > the kernel is patched to Masq pptp however its not being
> > used in this case.--Regards, Mark Burring
> > Internetworking EngineerDeeptech - Intelligent Networking
> > Deepcare - Caring for Your IT Investment
> > web: www.deeptech.com.au ; www.deepcareonline.com
> > phone: 1300 361 954
> > fax: +61 8 9201 2312
> > postal: PO BOX 1324, West Perth WA 6872
>
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