ACC X.25/ISDN Data Analyzer User's Guide

Appendix C 75
Typical X.25 and ISDN Data Analyzer Sessions
4-Channel T1/E1 Multiplexer Sessions
Diagnostic code 241
Undefined
event 0020 Subch:23 11:43:00.344
LAPB:RR R Addr01 Nr5
event 0021 Subch:23 11:43:00.344
LAPB:INFO C Addr03 Nr5 Ns4
X.25:CLEAR CONFIRM
mod8 LCI 5
event 0022 Subch:23 11:43:00.345
LAPB:RR R Addr03 Nr5
event 0023 Subch:23 11:43:00.345
LAPB:RNR R Addr01 Nr5
event 0024 Subch:23 11:43:00.345
LAPB:DISC C Addr03 P
event 0025 Subch:23 11:43:00.345
LAPB:UA R Addr03 FBreak detected - end of display
Analyzer on ZLUs 7 and 8 stopped
Display>
The ISDN Traffic Analysis
For ISDN the protocol command in the pdisplay program is used to
specify the D channel for level 2 and the ISDN link for level 3. The log of
terminal activity for this session appears as follows (new actions are in
boldface):
Script started on Fri Mar 7 11:37:59 1997
# pdisplay
Display> show
ZLU.# MX P Sub Typ AZLU# Mode Stat LC.M Size Filename...........
Display> protocol l2 lapd l3 q931
Display> runc2024-f
Analyzer on ZLUs 5 and 6 started OK
event 0001 Subch:24 11:39:15.788
LAPD:RR C SAPI00 TEI00 P Nr15
event 0002 Subch:24 11:39:15.791
LAPD:RR R SAPI00 TEI00 F Nr9
event 0003 Subch:24 11:40:35.790
LAPD:RR C SAPI00 TEI00 P Nr15
event 0004 Subch:24 11:40:35.793
LAPD:RR R SAPI00 TEI00 F Nr9