Remote Access configuration for hybrid Hub-and-Spoke networks

Need some help in configuring remote access VPN via PIX.
Some background.
1. Local network, say network A: 10.10.x.x. With connection to Internet and other site via MPLS.
2. Other site1, say network C: 10.15.x.x.
3. 'spoke' sites from network A, say network B: 10.11.x.x. Appliance used for Site-to-site VPN between B and A is Cisco PIX 515 with PIX 7.2.

So far, all is well between the 3 networks. Traffic is allowed between A, B and C with A as the 'hub' between B and C. Users on network A and B are accessing an application server in network C just fine. Users on B are accessing network C via network A's MPLS.

I now want remote access users from home, to VPN into site A, and still able to access applications hosted in site C. VPN address pool allocated is 192.168.x.x.Packet Tracer on ASDM is used to trace packet from 192.168.x.x to 10.11.x.x to be successful, but the testing revealed otherwise.

What else can I look into to ensure connectivity for Remote Access to network C via tunneling into A?
Who is Participating?
minitazConnect With a Mentor Author Commented:
have solved this by putting vpn pool to dhcp.
Pete LongTechnical ConsultantCommented:
>>I now want remote access users from home, to VPN into site A, and still able to access applications hosted in site C.

This is called "Hairpinning" you need to be at PIX version 7 at least or this will not work
minitazAuthor Commented:
Thanks PeteLong. As stated, the PIX in network A is on PIX version 7.
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minitazAuthor Commented:
What I have tried so far, is by following this guide:

However, it is not really working, as the destination I need is not through the same interface as it came in.
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