On Thu, May 21, 2009 at 1:45 PM, N Parr <[email protected]> wrote:
> So the remote gateway of the ASA has to be the ISP's gateway in
> order to find the main office.

  The ASA itself will need to have its default route by the ISP, yes.
But not the VPN tunnel.  I've never used an ASA, but I assume you can
configure the VPN such that it provides a point-to-point link between
the ASA's LAN interface at the remote site, and whatever you have at
HQ.  Configure the firewall or routing tables or whatever so that the
LAN interface doesn't forward traffic between the LAN and the public
interface.  Just give it routes to the local site networks, and a
default route to gateway to HQ.  Then configure everything on the LAN
to use the ASA as the default gateway.  Now all traffic from the LAN
to anywhere goes to the ASA, which forwards it through the VPN to HQ.

-- Ben

~ Finally, powerful endpoint security that ISN'T a resource hog! ~
~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/>  ~

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