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Cisco H.323 Signaling Interface User Guide
OL-2156-04 Rev. A1
Chapter 5 Troubleshooting Cisco HSI Alarms
Troubleshooting
Cause
The OVERLOAD_LEVEL3 alarm is triggered when the CPU occupancy or the number of active calls
rises above the upper limits set in the overload configuration for level 3. Gapping is then initiated.
Troubleshooting
To clear the OVERLOAD_LEVEL3 alarm, complete the following steps:
Step 1 Wait for the number of calls to drop.
Step 2 If CPU occupancy remains high, request assistance from the system administrator.
VSC_FAILURE
Description
This alarm is derived by the Cisco HSI application from RUDP/SM events. This alarm is reported to the
management interface and can be obtained with SNMP.
Severity Level and Trap Type
The severity level is major. The trap type is 5.
Cause
Links to both (active and standby) Cisco PGW 2200s have gone down.
Troubleshooting
To clear the VSC_FAILURE alarm, complete the following steps:
Step 1 Use the rtrv-dest command to confirm that links to the Cisco PGW 2200s have gone down.
Step 2 Check the network connections, cables, and routers.
Step 3 Refer to the Cisco Media Gateway Controller Software Release 9 Operations, Maintenance, and
Troubleshooting Guide for detailed information about this alarm.
Step 4 Use the clr-alm command to attempt to clear the alarm.
- User Guide 1
- CONTENTS 3
- 4 Managing the Cisco HSI 4-1 5
- Contents 10
- OL-2156-04 Rev. A1 10
- Document Objectives 11
- Audience 11
- Document Organization 12
- Document Conventions 13
- Related Documentation 14
- Obtaining Documentation 15
- Ordering Documentation 16
- Documentation Feedback 16
- Cisco.com 16
- Technical Assistance Center 17
- Cisco TAC Escalation Center 18
- Introduction 19
- Cisco HSI Overview 19
- Cisco HSI System Description 20
- OAM Subsystem 21
- Call Control Subsystem 21
- Operational Environment 23
- Cisco HSI Recovery 23
- Cisco HSI System Limitations 23
- Installing the Cisco HSI 26
- 31
- Starting the Cisco HSI 34
- Stopping the Cisco HSI 34
- Configuring the Cisco HSI 34
- Upgrading the Cisco HSI 34
- Removing the Cisco HSI 35
- Provisioning the Cisco HSI 37
- MML Configuration Commands 38
- System Configuration Data 39
- Cisco HSI Configuration 40
- Dynamic System Data 41
- H.323 Stack Configuration 44
- MML Provisionable Data 45
- RAS Parameters 46
- Table 3-8 RAS Parameters 47
- H.245 Parameters 49
- Table 3-12 H.245 Modes 51
- Asymmetric Codec Treatment 52
- Empty Capability Set 52
- H.323 Hairpin 52
- T.38 Fax 53
- Managing the Cisco HSI 55
- Starting Call Processing 56
- Measurements 56
- Call-Related Measurements 57
- Table 4-2 Q.931 Counter Group 58
- Table 4-3 H.245 Counter Group 59
- Overload 60
- Overload Level 1 61
- Overload Level 2 61
- Overload Level 3 61
- Setting Overload Data 61
- Retrieving Overload Data 62
- Rotating Log Files 62
- Log Messages 63
- Logging Levels 64
- RADVision Logging 65
- Setting Gapping 65
- Retrieving Call Gapping Data 66
- Alarms Overview 67
- SNMP Trap Types 68
- Retrieving Alarm Messages 69
- Alarms List 71
- Troubleshooting 72
- EISUP_PATH_FAILURE 73
- GATEKEEPER_INTERFACE_FAILURE 74
- GENERAL_PROCESS_FAILURE 74
- IP_LINK_FAILURE 74
- LOW_DISK_SPACE 75
- OVERLOAD_LEVEL3 75
- VSC_FAILURE 76
- OVERLOAD_LEVEL2 77
- CONFIG_CHANGE 77
- GAPPED_CALL_NORMAL 79
- GAPPED_CALL_PRIORITY 79
- OVERLOAD_LEVEL1 80
- PROVISIONING_SESSION_TIMEOUT 81
- STOP_CALL_PROCESSING 81
- Detailed Logging 82
- MML Commands 84
- Starting an MML Session 85
- Batch Files 85
- Creating a Batch File 86
- Starting a Batch File 86
- MML Responses 87
- MML Help 88
- Quitting an MML Session 88
- MML Command Reference 88
- • All active MML sessions 110
- • CPU load 111
- • Disk space 111
- • Number of calls in setup 111
- Skeleton Configuration File 121
- APPENDIX 139
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