Dear all,the firewall finally has been done though its just now one-one mapping.The problem may be caused by the uplink........need to clarify with the provider on tmr.sorry !!mw.
Hi Arsen,Now I only setup as simple as it is. adsl <-- cisco asa <-- 2 pc.I can ping and browse the web between the 2 pc.the outside subnet is 10.50.10.192/27. thxmw.