HP e3000/iX Network Planning and Configuration Guide (36922-90037)

230 AppendixD
NS X.25 Migration: NS 3000/V and NS 3000/XL Release 1.X to iX Release 2.0 or later
To Delete Secondary NIs (NS/XL Release 2.2 or later)
To Delete Secondary NIs (NS/XL Release 2.2
or later)
If you are migrating from NS X.25 3000/V (release V delta 7 or later) to
NS 3000/iX release 2.2 or later, make a backup copy of your NS 3000/V
NSCONF file. To migrate to NS 3000/iX release 2.2 or later, you must
delete the secondary NIs in the NS 3000/V NSCONF file before you use
NMMGRVER to convert it.