vpnc connects, but does not work

[Garrett Cooper]

On Wed, Dec 24, 2008 at 3:13 AM,  <perryh at pluto.rain.com> wrote:
> I have installed vpnc to connect to an employer's Cisco VPN
> system, and it seems to make the connection, but after connecting
> I can't ping the gateway nor anything beyond it.  The symptom
> seems to resemble what is described in the Routing section of
> http://www.cs.rpi.edu/~flemej/fbsd-cisco-vpn.pdf, but since that
> is using a completely different setup on the FreeBSD side I have
> no idea whether the remedy described there is applicable (nor,
> if it is, how to determine the addresses to use in this case).
>
> Does this look at all familiar to anyone?  I didn't find anything
> that seemed applicable in recent ports@ or questions@ archives.
> (I have XX'd out potentially-sensitive material in the following.)

    I have no idea since I haven't used vpnc, yet, but have you tried
tracerouting a connection and/or using tcpdump?
Cheers,
-Garrett