OSI Troubleshooting Guide, May 1997

Chapter 1 47
Interoperability Testing
Reason and Refuse Codes
(0x1a) Network Reset from NS User (Resynch)
Network connection was reset.
X.25 diagnostic indicates
resynchronization was
requested.
(0x20) Undefined reason, unknown origin Indicates
some X.25 problem.
Check for down card on local
or remote, switch, or facilities
negotiation.
(0x21) Invalid Parameter (OTS Kernel)
An encoded parameter is invalid.
Check for NSAPs that are too
large or missing.
(0x22) External Protocol Error (OTS Kernel)
Failure decoding facility information.
An error should be logged
describing the protocol error.
(0x23) Invalid Internal State (OTS Kernel)
A network primitive was received or is to be
sent in an unexpected state.
An error should be logged
describing the protocol error.
(0x24) Facility or Data Field Overflow (OTS Kernel)
Processing of the facility fields indicated
failure
An error should be logged
describing the protocol error.
(0x41) X.25 Facility Requested not Allowed
The configured X.25 facilities do not match
those of the provider.
Determine the facilities
available and reconfigure
OTS and X.25 to use the
appropriate set.
(0x42) Could not Access X.121 Address of Remote
The X.121 address mapped to the NSAP you
specified is incorrect or the remote system is
down.
Reset the remote system or
reconfigure the OTS routing
table appropriately.
(0x81) Remote Transport Entity Congestion at
Connect Time
Indicates that no problems were detected
with the Transport layer, but user of service
may have sent an abort or other higher level
error.
Code Meaning Action