Diagnostic Messages

 

 

 

 

X.25 Diagnostic Messages

Table C-8

DTE-Specific Signals (Continued)

 

 

 

 

 

 

164 (CLEAR)

 

Fast select not

CALL INDICATION requiring fast select facility

 

 

 

subscribed.

has been received and fast select is not

 

 

 

 

configured. Results in error when detected on

 

 

 

 

CALL REQUEST.

 

 

 

 

 

 

225 (CLEAR)

 

Disconnection

X.25 subsystem is down when X.25/9000 to IP

 

 

 

(transient

subsystem is servicing CALL CONFIRMATION

 

 

 

condition).

or incoming DATA.

 

 

 

 

 

Table C-9

OSI Network Service Problem

 

 

 

 

 

 

Diagnostic

 

ISO

Explanation

 

 

Description

 

 

 

 

 

 

 

 

 

 

227 (CLEAR)

 

Connection

Due to internal constraints at high levels other

 

 

 

rejection.

than lack of network memory, CALL

 

 

 

Cause

INDICATION cannot be serviced.

 

 

 

unspecified

 

 

 

 

(transient

 

 

 

 

condition).

 

 

 

 

 

 

 

224 (CLEAR,

 

OSI Network

OSI network service not operational.

 

RESET)

 

Service

 

 

 

 

problem.

 

 

 

 

 

 

 

228 (CLEAR)

 

Connection

X.25 to IP subsystem clears incoming CALL

 

 

 

rejection.

INDICATION which has calling address not

 

 

 

Reason

present in IP to X.121 mapping table. If call were

 

 

 

unspecified.

accepted, circuit would be half-duplex enabling

 

 

 

(Permanent

remote node to send and receive while local host

 

 

 

condition)

would only be able to receive. When X.25/IP

 

 

 

(Transient

output routine has data addressed to remote

 

 

 

condition).

node it must be able to map the IP address to the

 

 

 

 

X.121 address. If it cannot do so, the IP packet is

 

 

 

 

discarded. Clearing the INCOMING CALL when

 

 

 

 

the remote's X.121 address is not in the map

 

 

 

 

table prevents a half-duplex circuit from being

 

 

 

 

established.

 

 

 

 

 

Appendix C

253

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HP CommonIO Products manual Table C-9 OSI Network Service Problem Diagnostic

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