Slow sftp on one node of RAC cluster

I have a three node Oracle RAC cluster on RHEL4u7. User is using sftp to move files and the process works well on 2 of the three nodes. The other remaining node takes forever. I have gone through the /etc/sysconfig/network-scripts/ifcfg files and everything seems to be configured correctly.

Has anyone seen a similar problem and I wouuld appreciate help in solving this.
Thanks

---------- Post updated at 02:53 PM ---------- Previous update was at 02:48 PM ----------

sftp not dftp - Sorry for the confusion. I will learn to type and proof read.