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Diagnostic Messages

X.25 Diagnostic Messages

Appendix C 245

25 (CLEAR) Packet type

invalid for state

P6.

Invalid packet received on VC in state P6 (DTE

Clear Request).

27 (RESET) Packet type

invalid for state

D1.

Invalid packet received on VC in state D1 (Flow

Control Ready).

29 (RESET) Packet type

invalid for state

Invalid packet received on VC in state D3 (DCE

Reset Indication).

Table C-3 Packet Not Allowed

Diagnostic

ISO

Description

Explanation

33 (RESTART,

CLEAR,

RESET)

Unidentifiable

packet.

Packet that cannot be identified (3rd byte of the

level 2 information field not defined in CCITT

X.25 Recommendation received).

REJECT or REGISTRATION packet received.

34 (CLEAR) Call on one way

logical channel.

If configured as DTE, CALL INDICATION

received with logical channel identifier (LCI)

corresponding to one-way logical channel

outgoing.

If configured as DCE (DXE), CALL

INDICATION received with logical channel

identifier (LCI) corresponding to one way logical

channel incoming.

38 (RESTART,

CLEAR,

RESET)

Packet too

short.

Received packet is less than minimum length. It

may be a CALL INDICATION packet without

address length or facility length fields, CLEAR

or RESET INDICATION without cause field, or

the packet length may be insufficient to hold

address or facility fields.

Table C-2 Packet Type Invalid (Continued)

1 2 ... 240 241 242 243 244 245 246 247 248 249 250 ... 260 261

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