want to route linux trafic from a client

General Discussion
1

hi,
I want to route linux trafic from a client say windows xp. what i have to do. Plz let me know simplest solution i have been struggling with this from very long time. but didnt get a right solution.

Here the details of distribution:
LSB Version: :core-4.0-ia32:core-4.0-noarch:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-ia32:printing-4.0-noarch
Distributor ID: CentOS
Description: CentOS release 5.6 (Final)
Release: 5.6
Codename: Final

I can also consider the vpnc for linux to just enter simpler username,password and domain to for routing traffic.
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2

What do you mean by “routing traffic”? Are you building a firewall running CentOS? Or do you want to access whole CentOS system from Windows? Or access the Windows XP machine from CentOS?