X25AM Configuration and Management Manual

PTrace for the X25AM Subsystem
X25AM Configuration and Management Manual—523424-004
6-19
Sample Trace Reading of Calls Being Cleared
•
The caller requested that the receiver accept the charges (through the facility
field) but the subdevice was configured for reverse charges.
•
The caller requested negotiate packet size but the subdevice was configured
NONEGOTIATE packet size.
•
You are using the QLLC protocol and did not specify a protocol ID of 3 in the
Call User Data (CUD) field.
The diagnostic error 81 shows that the call request packet was in the correct L3
format for call requests, as required by the ITU-T. Level 4 checks the call request
parameters against the configured parameters for each subdevice. If no subdevice
is found to accept all of the previous requirements, a clear packet is returned with
the appropriate diagnostic error. For a list of X25AM SCF errors, see Appendix C,
X25AM Error Messages.
4. Because the local network is the destination of the call request (incoming packet),
check two things: first, that a subdevice is available to accept the call, and, second,
that the subdevice has the correct address configured to answer the call. As the
trace above indicates, subdevice $DATA2.#T1 has been opened and a CONTROL
11 (P4=%13) was posted in sequence #97. Thus, a subdevice is available to
accept the call.
Check the addresses to see whether the subdevice is correctly configured:
-> info line $x25p1, detail
X25AM Detail Info LINE $X25P1
*CallingAddr.. ON *Threshold.. 500 *CharacterSet. EBCDIC
Debug........ OFF *SYNCS...... 3 *DSRTimeout... 0:20.00
*Extformat.... OFF *L3window... 2 *IdleTimeout.. 0:15.00
*Interface.... RS232 *L3mod...... 8 *PVCrange.....
*Netid........ DDN *Retries.... 10 *SVCrange..... ( 1,32 )
*CUG.......... *Framemode.. DCE *T1Timeout.... 0:03.00
*CUGType...... BASIC *BCUG....... *Transitdelay.
*Calls........ TWO WAY PacketSize. 128 Type......... (61,63)
*Clockmode.... DTE *Clockspeed. CLOCK600
*SrcAddr......
*Program...... $SYSTEM.CSS02.C1096AAF
*RPOA..........
*Bpadparms....
*Cpadparms....
*DDNService... BASIC
*DDNPrec...