HP zl - Manual (Page 78)

hp toptools for openview nnm user guide
Page 78 Version 5.6
For HP-UX or Solaris systems use the following K-shell script:
$IPMAP_FILTER_FROM_OVWDB=1
$export
IPMAP_FILTER_FROM_OVWDB
Once the environment variable is set, all attributes added by the bridge will be available for inclusion when building
filters.