On 10/24/06, Tuc at T-B-O-H.NET <[EMAIL PROTECTED]> wrote:
Hi,

        I was wondering if anyone has used GRE tunnel extensively. I'm trying to
connect a FreeBSD system to a Cisco router. For testing ONLY I'm trying to do
it to two devices on the same subnet. When I bring the gre up, I can't
ping the other side. I have my FreeBSD at 192.168.3.21 and gre0 looks like :

gre0: flags=9051<UP,POINTOPOINT,RUNNING,LINK0,MULTICAST> mtu 1476
        tunnel inet 192.168.3.21 --> 192.168.3.149
        inet6 fe80::212:3fff:fedd:58b2%gre0 prefixlen 64 scopeid 0x7
        inet 192.168.3.21 --> 192.168.3.149 netmask 0xffffffff

        My Cisco is at 192.168.3.149 and looks like :

interface Tunnel0
 ip unnumbered Ethernet0
 tunnel source Ethernet0
 tunnel destination 192.168.3.21
!
interface Ethernet0
 ip address 192.168.3.149 255.255.255.0

        Ideas?

I'm not very experienced with this, but if your routing table
lists 192.168.3.149 as reachable through the tunnel, then
the tunnel itself can't function, naturally.
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