MPLS Connection routing on ASA

Hello Everyone in this finest community :) I have another problem.

I have an ASA 5510 and 5505 in another location
Current Connection information:

Austin Office  ----ASA 5510--- < IPSEC CONNECTION >------ASA 5505  Phoenix Office
            |                                                                                                                  |
 Internet Access                                                                                           Internet Connection

New connection (proposed)
                                  (MPLS only routes between sites, default route on the MPLS is the ASA in each location)
Austin ASA 5510  ------- CISCO 2800 MPLS ------< MPLS > --CISCO 2800-----ASA 5505 Phoenix Office
          |                                                                                                                                     |
   Internet Connection                                                                                                      Internet Connection

The ASA has to still stay as a default gateway and I need to add routing statements on the FW level and not on the workstation level with the ROUTE ADD -P method.

Now I looked around and apparently this config cannot exist where the ASA is a default gateway and you have traffic to another location pushed to another gateway IP. BTW the asa is and the MPLS router is, so they lay within same subnet .

The network details:

Phoenix has / 24
ASA in Phoenix is and the MPLS box is

Austin has / 16
ASA in Phoenix is and the MPLS box is

Can we do such routing ?

Any ideas ?
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You would be better off having the 2800 at each site the default gateway.  You can then simply add a default route on the 2800's at each site pointing to the ASA as well as the appropriate routes on the 2800's to the other sites LAN.

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ditto. Very simple solution to just use the MPLS router as the default gateway for the local LAN. Let it make all the routing decisions. You can take it a step further and have a VPN tunnel between the two firewalls be a backup route for the MPLS. You can enable OSPF routing between the MPLS router and the PIX/ASA
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