HP-UX 11i Version 1.5 Release Notes, September 2001

Networking
Troubleshooting Commands
Chapter 576
Troubleshooting Commands
On IPF-based systems, user-space core dump analysis can not be
performed by running arp, lanscan or netstat commands. Unlike PA
versions, these commands do not support the functionality of reading or
analyzing a core file. For more information, see Changed arp, lanscan,
and netstat Commands in Chapter 6.