Date: Tue, 24 Oct 2006 10:34:53 -0400 (EDT) From: "Tuc at T-B-O-H.NET" <ml@t-b-o-h.net> To: infofarmer@freebsd.org (Andrew Pantyukhin) Cc: "Tuc at T-B-O-H.NET" <ml@t-b-o-h.net>, freebsd-questions@freebsd.org Subject: Re: GRE to Cisco Message-ID: <200610241434.k9OEYrYu068758@himinbjorg.tucs-beachin-obx-house.com> In-Reply-To: <cb5206420610232337g531ae996hdbff05b71f7a6e5a@mail.gmail.com>
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>
> On 10/24/06, Tuc at T-B-O-H.NET <ml@t-b-o-h.net> 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.
>
It looks like the man page and lack of sleep made this a
disaster... I've changed things around :
FREEBSD:
ifconfig wi0 192.168.3.21 netmask 255.255.255.0 up
ifconfig gre0 unplumb
ifconfig gre0 create
ifconfig gre0 192.168.4.1 192.168.4.2 netmask 0xffffff00 link0 up
ifconfig gre0 tunnel 192.168.3.21 192.168.3.149
Cisco:
interface Tunnel0
ip address 192.168.4.2 255.255.255.0
tunnel source Ethernet0
tunnel destination 192.168.3.21
!
interface Ethernet0
ip address 192.168.3.149 255.255.255.0
But still can't ping 192.168.4.2 .
Thanks, Tuc
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