i HP-UX Secure Shell hung with NFSv4 tunnel on HP-UX systems by Dusan Baljevic

HP-UX Secure Shell hung with NFSv4 tunnel

While working on a solution for an overseas government client to implement Ignite-UX disaster recovery backups via NFSv4 and SSH tunnel, came across a bug with HP-UX version of SSH.

After about 1 GB of data transfer, the tunnel would become hung in all cases.

A bug report for HP-UX Secure Shell was raised in GR8 Call 4000252191.

We were able to prove that the bug did not exist with native SSH clients on Solaris and Linux.

Eventually, decided to install open-source version of Secure Shell (OpenSSH) and the problem was gone.

The results of the completed project work: