Contents
Part I. Troubleshooting overview
1. NSP troubleshooting overview
NSP and NFM-P troubleshooting tools
Process to troubleshoot a problem in the NSP
2. Obtaining Technical Assistance
Part II. Troubleshooting the system
3. Troubleshooting the NSP platform
Troubleshooting NSP cluster issues
Alarms not appearing for rapidly reoccurring faults
4. Troubleshooting the NFM-P platform
Problem: Poor performance on a RHEL station
Problem: Device discovery fails because of exceeded ARP cache
Troubleshooting using the LogViewer
LogViewer GUI and Quick Links panel
To display logs using the LogViewer GUI
To configure the LogViewer using the GUI
To show or hide buttons from the LogViewer main tool bar
To set highlight colors and fonts for LogViewer components and levels
To automatically show or hide log messages
To manage filters using the GUI Filter Manager
To specify a plug-in using the LogViewer GUI
To display logs using the LogViewer CLI
To configure the LogViewer CLI
To specify plug-ins using the CLI
Troubleshooting the NFM-P database
Database troubleshooting overview
Problem: NFM-P database corruption or failure
Problem: The database is running out of disk space
Problem: Frequent database backups create performance issues
Problem: An NFM-P database restore fails and generates a No backup sets error
Problem: NFM-P database redundancy failure
Problem: Primary or standby NFM-P database is down
Problem: Need to verify that Oracle database and listener services are started
Problem: Need to determine status or version of NFM-P database or Oracle proxy
Troubleshooting NFM-P server issues
NFM-P server troubleshooting overview
Problem: Cannot start an NFM-P server, or unsure of NFM-P server status
Problem: NFM-P server and database not communicating
Problem: An NFM-P server starts up, and then quickly shuts down
Problem: Client not receiving server heartbeat messages
Problem: Main server unreachable from RHEL client station
Problem: Excessive NFM-P server-to-client response time
Problem: Unable to receive alarms on the NFM-P, or alarm performance is degraded
Problem: Cannot discover more than one device, or device resynchronization fails
Problem: Slow or failed resynchronization with network devices
Problem: Statistics are rolling over too quickly
Problem: Cannot start NFM-P client, or error message during client startup
Problem: NFM-P client unable to communicate with NFM-P server
Problem: Delayed server response to client activity
Problem: Cannot place newly discovered device in managed state
Problem: User performs action, such as saving a configuration, but cannot see any results
Problem: Device configuration backup not occurring
Problem: NFM-P client GUI shuts down regularly
Problem: Configuration change not displayed on NFM-P client GUI
Problem: List or search function takes too long to complete
Problem: Cannot select some menu options or save some configurations
Part III. Troubleshooting the network
5. Network troubleshooting using NSP functions
Troubleshooting using NSP assurance functions
Troubleshooting services and connectivity
LSP Throughput with Forecast reporting scenario
SAP Throughput reporting scenario
End-to-end NE troubleshooting scenario
End-to-end service troubleshooting scenario
End-to-end link troubleshooting scenario
End-to-end port troubleshooting scenario
Troubleshooting using Analytics
Analytics troubleshooting overview
Troubleshooting data collection
Troubleshooting Analytics reporting
Troubleshooting using NSP workflows
Evaluating failed or slow workflow executions
6. Network troubleshooting using NFM-P
Troubleshooting services and connectivity
Service and connectivity diagnostics
Workflow to troubleshoot a service or connectivity problem
To identify whether a VPLS is part of an H-VPLS
To verify the operational and administrative states of service components
To verify the FIB configuration
To verify connectivity for all egress points in a service using MAC Ping and MAC Trace
To verify connectivity for all egress points in a service using MEF MAC Ping
To measure frame transmission size on a service using MTU Ping
To verify the end-to-end connectivity of a service using Service Site Ping
To verify the end-to-end connectivity of a service tunnel using Tunnel Ping
To verify end-to-end connectivity of an MPLS LSP using LSP Ping
To review the route for an MPLS LSP using LSP Trace
To review ACL filter properties
To retrieve MIB information from a GNE using the snmpDump utility
Troubleshooting using the NE resync audit function
Workflow for NE resync auditing
To clear a Frame Size Problem (MTU Mismatch) alarm
To view NE resync audit results using the NE audit manager
Troubleshooting network management LAN issues
Problem: All network management domain stations experience performance degradation
Problem: Lost connectivity to one or more network management domain stations
Problem: Another station can be pinged, but some functions are unavailable
Problem: Packet size and fragmentation issues
Troubleshooting using NFM-P client GUI warning messages
Client GUI warning message overview
To respond to a GUI warning message
Troubleshooting with Problems Encountered forms
To view additional problem information
To collect problem information for technical support
Troubleshooting using the NFM-P user activity log
To identify the user activity for a network object
To identify the user activity for an NFM-P object
To navigate to the object of a user action