Trying to use data pump to move 2TB schema from one database to another...getting slow performance.

I am trying to move a schema from one database (on HPUX) to another database (on LINUX x86-64).  The method I am trying to use is data pump impdp via the network_link option in which I have the two servers connected directly to each other via a crossover cable.  The schema is very large(~2TB in size) in which the biggest table has 1.4 billion rows.  I am using the parallel option with degree 6 in impdp.  It does the largest tables first, and by looking at longops in the source database, it is going to take 17 hours just for