From owner-freebsd-stable  Fri Apr 27 17:30:33 2001
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From: Archie Cobbs <archie@dellroad.org>
Message-Id: <200104280029.f3S0TMj07579@arch20m.dellroad.org>
Subject: Re: NETGRAPH_PPTPGRE....gre-tun  ..help ??
In-Reply-To: <002601c0cd7d$0140bd80$3ab4a8c0@kronos> "from Brent at Apr 25, 2001
 07:43:53 am"
To: Brent <brentb@loa.com>
Date: Fri, 27 Apr 2001 17:29:22 -0700 (PDT)
Cc: freebsd-questions@FreeBSD.ORG, freebsd-stable@FreeBSD.ORG
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Brent writes:
> I work for an ISP and Im running a 4.1 FBSD w/ 2 nic cards w/ nat and ipfw
> as  a gateway machine (also known as a duel home host)  for my internal
> network w 70 nodes...im trying to
> setup a gre-tunnel between my 192.168.0.1/24  network and our parent
> companies  192.168.150.1/24 in another state.
> on MY end on the BSD box:
> 
> x10   =  my PUBLIC interface is 208.130.62.10    <-------outside to internet
> also NAT runs on this
> de0  =  my PRIVATE interface is 192.168.0.1   <------my internal network
> goes thru this
> 
> On the REMOTE end they are running a Cisco PIX router..w/ ip 204.122.73.34
> 
> once i compiled my kernel options in ( netgraph, netgraph_PPTPGRE, iptunnel)
> ...i did
> 
> #gre-tun -local 208.130.62.10 -remote 204.122.73.34  -source
> 192.168.150.1 -key xxxxxxxxxxx
> 
> the tunnel interface is up ..when i do "ifconfig" tun0 shows as UP  like
> below
> 
> tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500
> inet 192.168.0.1 --> 204.122.73.34 netmask 0xfffffff8
> inet6 fe80::260:8ff:fe93:a8e5%tun0 --> :: prefixlen 64 scopeid 0xc
> Opened by PID 8691
> 
> the way i understand this ...once everything is running...we should be able
> ping each others private IP space....although i cant...If theres anything
> anyone has to add to this...hints, tips...suggestions ..it would be most
> appreciated...TIA....help  please ???

NETGRAPH_PPTPGRE is only useful for PPTP tunnelling. If you are
not doing PPTP then don't bother with it.

This is why it's called NETGRAPH_PPTPGRE not NETGRAPH_GRE.

If you ARE doing PPTP, then you need to be running a PPP daemon
such as mpd.

-Archie

__________________________________________________________________________
Archie Cobbs     *     Packet Design     *     http://www.packetdesign.com

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