9.1 Originator and Reason Tables

The following tables list the OSI error codes defined in <netx25/x25_proto.h>.

To identify the originator in N_RI and N_DI messages:

NS_USER 1

NS_PROVIDER 2

To specify the reason when the originator is the Network Service provider in N_DI messages:

Table 9-1 Reason when Originator is NS Provider

Code	Value
NS_GENERIC	0xE0
NS_DTRANSIENT	0xE1
NS_DPERMANENT	0xE2
NS_TUNSPECIFIED	0xE3
NS_PUNSPECIFIED	0xE4
NS_QOSNATRANSIENT	0xE5
NS_QOSNAPERMANENT	0xE6
NS_NSAPTUNREACHABLE	0xE7
NS_NSAPPUNREACHABLE	0xE8
NS_NSAPPUNKNOWN	0xEB

To specify the reason when the originator is the Network Service user in N_DI messages:

Table 9-2 Reason when Originator is NS User

Code	Value
NU_GENERIC	0xF0
NU_DNORMAL	0xF1
NU_DABNORMAL	0xF2
NU_DINCOMPUSERDATA	0xF3
NU_TRANSIENT	0xF4
NU_PERMANENT	0xF5
NU_QOSNATRANSIENT	0xF6
NU_QOSNAPERMANENT	0xF7
NU_INCOMPUSERDATA	0xF8
NU_BADPROTID	0xF9

To specify the reason when the originator is the Network Service provider in N_RI messages:

NS_RUNSPECIFIED 0xE9

NS_RCONGESTION 0xEA

To specify the reason when the originator is the Network Service user in N_RI messages:

NU_RESYNC 0xFA

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Note -

These codes are defined in ISO 8208 and are mapped from X.25 cause and diagnostic codes as described in ISO 8878.

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