
Diagnostic Messages
X.25 Diagnostic Messages
Appendix C254
231 (CLEAR) Connection
rejection.
NSAP
unreachable
(transient
condition).
No listen socket capable of servicing CALL
INDICATION. X.25 subsystem is down when
X.25-to-IP subsystem is servicing CALL
INDICATION.
232 (CLEAR) Connection
rejection.
NSAP
unreachable
(permanent
condition).
CALL INDICATION with first byte of call user
data other than CC (hex) received on system
which does not have X.25/9000 programmatic
access configured in kernel.
233 (RESET) Reset. Cause
unspecified.
Message (sequence of packets with the M bit set
followed by packet with M bit not set) received,
and size exceeds maximum size allowed by
application for inbound data message.
Corresponds to specific out-of-band event
delivered to user. Data was received on VC
without a user, that is, an IP or programmatic
access application. X.25 subsystem was down
when X.25 to IP subsystem serviced incoming
DATA on permanent VC.
234 (RESET) Reset.
Congestion.
Error returned to the application due to network
congestion condition.
235 (CLEAR) NSAP address
unknown.
CALL INDICATION was received with unknown
NSAP address (first byte of call user data).
251 (RESET) Reset. Cause
unspecified.
System failed to synchronize data transfer to
interface.
Table C-10 Higher Level Initiated
Diagnostic
ISO
Description
Explanation
Table C-9 OSI Network Service Problem (Continued)
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