Re: [LARTC] Gre Tunneling Problem

["glynn" <glynn@itextron.com>]

Hi Joe, I tried it and it wont work, same result, I could ping both but it
wont result the internal ip addresses, it seems that it only resolves the in
the interfaces but it wont allow to forward. can you figure out again pls.
Thanks.

Glynn


----- Original Message -----
From: "Joe Patterson" <jpatterson@asgardgroup.com>
To: "glynn" <glynn@itextron.com>; "Christoph Simon" <ciccio@kiosknet.com.br>
Cc: <lartc@mailman.ds9a.nl>
Sent: Tuesday, January 08, 2002 9:01 AM
Subject: RE: [LARTC] Gre Tunneling Problem


> I would suggest using a different network for the gre tunnel, like:
>
> Linux A
> ip tunnel add netb mode gre remote 205.198.x.1 local 203.189.x.1 ttl 255
> ip link set netb up
> ip addr add 192.168.3.1/30 dev netb
> ip route add 192.168.2.0/24 dev netb via 192.168.3.2
>
> Linux B
> ip tunnel add neta mode gre remote 203.189.x.1 local 205.198.x.1 ttl 255
> ip link set neta up
> ip addr add 192.168.3.2/30 dev neta
> ip route add 192.168.1.0/24 dev neta via 192.168.3.1
>
> Otherwise, it's just wierd.  Not that that's bad, it just sometimes
doesn't
> work...
>
> -Joe
>
>
> > -----Original Message-----
> > From: lartc-admin@mailman.ds9a.nl [mailto:lartc-admin@mailman.ds9a.nl]On
> > Behalf Of glynn
> > Sent: Sunday, January 06, 2002 7:59 PM
> > To: Christoph Simon
> > Cc: lartc@mailman.ds9a.nl
> > Subject: Re: [LARTC] Gre Tunneling Problem
> >
> >
> > Hello Christoph, actually I havent done with netfilter rules and
> > i dont have
> > any restrictions applied for the linux, its a normal configuration, I
also
> > enable the forwarding under the /proc/sys/net/ipv4/ip_forward
> > with the value
> > of 1. can you figure out whats the problem? thanks
> >
> > Glynn
> >
> > ----- Original Message -----
> > From: "Christoph Simon" <ciccio@kiosknet.com.br>
> > To: "glynn" <glynn@itextron.com>
> > Cc: <lartc@mailman.ds9a.nl>
> > Sent: Monday, January 07, 2002 7:41 PM
> > Subject: Re: [LARTC] Gre Tunneling Problem
> >
> >
> > > On Sun, 6 Jan 2002 17:39:46 +0800
> > > "glynn" <glynn@itextron.com> wrote:
> > >
> > > > Hello everyone, I have a problem regarding gre tunneling, I have two
> > > > linux box both of them has a private network and the linux A is
> > > > connected to the internet via wireless radio and the other linux B
is
> > > > connected to the internet via lease line. Here is the setup of my
two
> > > > linux box
> > > >
> > > > Linux A
> > > > eth0 = 203.189.x.1 (internet)
> > > > eth1 = 192.168.1.1 (going to hub private network)
> > > >
> > > > Linux B
> > > > eth0 = 205.198.x.1 (internet)
> > > > eth1 = 192.168.2.1 (going to hub private network)
> > > >
> > > > here is my configuration in Linux A and B. I also load the modules
> > > > needed (insmod ip_gre)
> > > >
> > > > Linux A
> > > > ip tunnel add netb mode gre remote 205.198.x.1 local
> > 203.189.x.1 ttl 255
> > > > ip link set netb up
> > > > ip addr add 192.168.1.1 dev netb
> > > > ip route add 192.168.2.0/24 dev netb
> > > >
> > > > Linux B
> > > > ip tunnel add neta mode gre remote 203.189.x.1 local
> > 205.198.x.1 ttl 255
> > > > ip link set neta up
> > > > ip addr add 192.168.2.1 dev neta
> > > > ip route add 192.168.1.0/24 dev neta
> > > >
> > > > I could ping both sides the eth0 and also the eth1 with is for the
> > > > private network, here is my problem i couldnt ping the other
> > private ip
> > > > addresses which my eth1 is connected to the hub, anyone can help me,
> > > > whats my error. pls reply asap. thanks
> > >
> > > Do you have any netfilter rules not letting pass proto 47? You'll also
> > > have to allow forwarding.
> > >
> > > --
> > > Christoph Simon
> > > ciccio@kiosknet.com.br
> > > ---
> > > ^X^C
> > > q
> > > quit
> > > :q
> > > ^C
> > > end
> > > x
> > > exit
> > > ZZ
> > > ^D
> > > ?
> > > help
> > > .
> > >
> >
> >
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> >
>
>
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