On 10/15/05, Erik Anderson <erikerik at gmail dot com> wrote:
> I have successfully established an IPsec tunnel between my mono box
> and a Cisco VPN concentrator, however it's not passing any traffic.
> When I try and ping from the mono box through the tunnel, I'm getting
> an "icmp unreach/admin_prohibit" error message in my syslog on the
> mono box.
>

Coming from that Cisco router.  It's dropping your traffic for some
reason, and sending back a message that the traffic is prohibited by
that router.  Problem is on the router.

-Chris