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 > . >
