HP-UX SNAplus2 NOF Programmer's Guide

NOF Indications
LS_INDICATION
Chapter 6 1151
Total number of unsuccessful XID exchanges that have
occurred on this link station since it was started.
tg_num
Transmission group number associated with the LS.
sense_data
If the LS has failed because of an XID protocol error,
this parameter contains the sense data associated with
the error. If indication_cause is set to any value
other than AP_FAILED, this parameter is reserved.