Replication to Mainframe Db2 OSZ

What would I need in order to setup replication between SQL2000 SP3 and MVS Subsystem running Db2 database . I mean, does it need any 3rd party tool or regular replication setup between SQL and Db2 is enoughAsk IBM for the DB2 Federated Server. If you have DB2 license, they should let you use that software free. It comes with a Replicator which allows you to replicate data from a different platform.