Troubleshooting guide

Contents
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Cisco PGW 2200 Softswitch Release 9.8 Operations, Maintenance, and Troubleshooting Guide
OL-0800-14
PDU Verb Types B-2
Backhaul Message IDs B-3
Connection Management B-3
Backhaul Statistics B-4
Backhaul Congestion B-4
Link Status B-5
Troubleshooting SS7 Link Problems B-5
Checking Link Configuration Files B-5
Checking UDP Traffic Flows B-6
Checking Connection between Cisco PGW 2200 Softswitch and Cisco ITP-L B-6
Checking the T1/E1 Link State B-6
Verifying the Link Alignment Status B-6
Verifying Exchanged Point Codes B-7
Cross-Checking Configuration Files B-9
Troubleshooting Cisco ITP-L-to-STP Signaling Links B-11
MTP1 Communication Problems B-12
Identifying MTP1 Communication Problems B-12
Resolving MTP1 Communication Problems B-12
MTP2 Communication Problems B-13
Identifying MTP2 Communication Problems B-13
Resolving MTP2 Communication Problems B-13
Troubleshooting Cisco ITP-L to Cisco PGW 2200 Softswitch Communications B-14
Identifying MTP3 and Higher Layer Problems B-14
Resolving MTP3 and Higher Layer SS7 Communication Problems B-15
Identifying Ethernet Connectivity Problems B-15
Identifying IP Communication Problems B-16
Identifying RUDP Communications Problems B-16
Cisco ITP-L Error Messages B-17
APPENDIX C Troubleshooting Cisco Switch Signaling C-1
VLANs C-1
Command Line Interface C-1
Command Line Interface Local Access C-2
Command Line Interface Remote Access C-3
Troubleshooting Virtual Pathways and ISLs C-3
APPENDIX D Cisco PGW 2200 Softswitch Measurements D-1
ANSI ISUP Measurements D-32