Troubleshooting Examples for Tracing and Troubleshooting

Annotations for any Ingress MTP3 Message.

Figure 2-24 Ingress MTP3 Message

Annotations for Egress MTP3 Routed Message

Figure 2-25 Egress MTP3 Routed Message

Annotations for Egress SCCP Routed Message

RECV-AT-MTP3-ON-LINKSET:lsp1m2pa LINK:link1m2pa
DPC-IS-SELFPC
SCCP-MSG
MSU_RECEIVED_AT_SCCP
GTT MODE=D,MSGTYPE=UDT,CDNP=1,CDNAI=4,CDSELID=NONE
LS NAME=lsp1m2pa
dGT=1234527907,gGT=91958020
SET=CD-GTT_SET1
xlatPC=2-005-2, GTMODID=-, CGPCACT=DFLT, ACTSN=-
SCCP -MSU Encoded:GTT perfd
GTT complete
RECVD-TO-ROUT
ROUTING-TO-LINKSET:lsp1m3ua:2-005-2(ITUI)
SELECTED-OUTGOING-LINKNAME:link1m3ua
SEND-TO-L2

Annotations for SCCP Routed Message, No Translation Found, Send UDTs On OPC option is OFF.

RECV-AT-MTP3-ON-LINKSET:lsp1m2pa LINK:link1m2pa
DPC-IS-SELFPC
SCCP-MSG
MSU_RECEIVED_AT_SCCP
GTT MODE=D,MSGTYPE=UDT,CDNP=1,CDNAI=4,CDSELID=NONE
LS NAME=lsp1m2pa
dGT=1234527917,gGT=91958020
SET=CD-gtt_set1
GTT FAILED: TRANS_ENTRY_NOT_FOUND
SCRC ERROR REASON:No translation found
SCRC_ERR_NO_TRANS_FOUND
DISCARDING PACKET

Annotations for SCCP Routed Message, No Translation Found, Send UDTs On OPC option is OFF – Contd.

Figure 2-26 SCCP Routed Message

Annotations for SCCP Routed Message, No Translation Found, Send UDTs On OPC option is ON.

RECV-AT-MTP3-ON-LINKSET:lsp1m2pa LINK:link1m2pa
DPC-IS-SELFPC
SCCP-MSG
MSU_RECEIVED_AT_SCCP
GTT MODE=D,MSGTYPE=UDT,CDNP=1,CDNAI=4,CDSELID=NONE
LS NAME=lsp1m2pa
dGT=1234527917,gGT=91958020
SET=CD-gtt_set1
GTT FAILED: TRANS_ENTRY_NOT_FOUND
SCRC ERROR REASON:No translation found
SCRC_ERR_NO_TRANS_FOUND
SCRC_UDTS_SENT
RECVD-TO-ROUT
ROUTING-TO-LINKSET:lsp1m2pa:2-006-2(ITUI)
SELECTED-OUTGOING-LINKNAME:link1m2pa
SEND-TO-L2

Annotations for SCCP Routed Message, No Translation Found, Send UDTs On OPC option is ON- Contd.

Figure 2-27 SCCP Routed Message

Annotations for MTP3 Routed Message, RSP not configured so DUNA generated.

RECV-AT-MTP3-ON-LINKSET:lsp1m3ua LINK:link1m3ua
DPC-NOT-SELFPC
RECVD-TO-ROUT
DISCARD-DPC-NOT-CONFRD
SEND-RESPONSE-TFP
SEND-TO-L2

Figure 2-28 MTP3 Routed Message

Annotations for SNM - RST From Peer , Processed At VSTP for unavailable DPC.

RECV-AT-MTP3-ON-LINKSET:lsp1m2pa LINK:link1m2pa
DPC-IS-SELFPC
SSNM-MSG
M3-NETMGMT-PROCSNG
RSM-R
RST-PROCESSED-DPC-UNAVAILABLE

Annotations for SNM - RST From Peer, Processed At vSTP for unavailable DPC - Contd.

Figure 2-29 SNM

Annotations for SNM -TFP From Peer, Processed At vSTP.

RECV-AT-MTP3-ON-LINKSET:lsp1m2pa LINK:link1m2pa
DPC-IS-SELFPC
SSNM-MSG
M3-NETMGMT-PROCSNG
TRAFFIC-MGMT-RECV
TFP-PROCESSED

Figure 2-30 SNM -TFP

Annotations for SNM - TFA From Peer, Processed At vSTP.

RECV-AT-MTP3-ON-LINKSET:lsp1m2pa LINK:link1m2pa
DPC-IS-SELFPC
SSNM-MSG
M3-NETMGMT-PROCSNG
TRAFFIC-MGMT-RECV
TFA-PROCESSED

Figure 2-31 SNM - TFA

Annotations for Link Management Messages - Incoming SLTM responded with SLTA message

RECV-AT-MTP3-ON-LINKSET:lsp1m2pa LINK:link1m2pa
DPC-IS-SELFPC
SNTM-MSG
SLT-PROCESSING
HANDLE-SLTM
SENDING-RESP-SLTA

Figure 2-32 Link Management Message

Annotations for Link Management Messages - Incoming SLTA processed at vSTP.

RECV-AT-MTP3-ON-LINKSET:lsp1m2pa LINK:link1m2pa
DPC-IS-SELFPC
SNTM-MSG
SLT-PROCESSING
M3-SLTA-R
PATTERN-MATCH

Figure 2-33 Link Management Message

Annotations for

MTP3 Screened Message - OPC-  DPC -
            STOP

RECV-AT-MTP3-ON-LINKSET:lsp1m3ua LINK:link1m3ua
ScrSetName:mtpst1 NSFI:OPC NxtScnRulGrpId:2
ScrOPCRuleFound::RuleName:mtpscrn1 NSFI:DPC NxtScnRulGrpId:1
ScrDPCRuleFound::RuleName:mtpscrn2 NSFI:STOP NxtScnRulGrpId:-1
SCR-RESULT-CONTINUE
DPC-NOT-SELFPC
RECVD-TO-ROUT
ROUTING-TO-LINKSET:lsp1m2pa:2-006-2(ITUI)
SELECTED-OUTGOING-LINKNAME:link1m2pa
SEND-TO-L2

Annotations for MTP3 Screened Message - OPC DPC - STOP - Contd.

Figure 2-34 MTP3 Screened Message

Annotations for MTP3 Routed Message, RSP not available so DUNA generated.

RECV-AT-MTP3-ON-LINKSET:lsp1m3ua LINK:link1m3ua
DPC-NOT-SELFPC
RECVD-TO-ROUT
DISCARD-DPC-UNAVAILABLE
SEND-RESPONSE-TFP
SEND-TO-L2

Figure 2-35 MTP3 Routed Message