Nortel Networks BM450 manual Using the Maintenance CLI

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82 Chapter 8 Troubleshooting Tools

2—Shutdown.The system shuts down. You need physical access to the BCM450 hardware to restart the system.

3—Safe OS. The system reboots to the Safe OS and waits 1 minute for you to login. When you login within 1 minute, the Maintenance CLI displays. If you do not login within 1 minute, the system changes to the Main OS. For more information about the Safe OS, see Using the Maintenance CLI on page 82.

4—Configuration Reset. A Level 1 reset occurs. The system resets all configuration data to the factory defaults.

5—Software Reset. A Level 2 reset occurs. The system resets all configuration data and software to the factory defaults.

6—IP Configuration. You can configure the following basic IP settings:

0—Return to Previous Menu. The system returns to the main menu.

1—Hostname. Provision the hostname of the system.

2—IP Address. Provision the IP address of the system.

3—Subnet Mask. Provision the subnet mask for the IP address.

4—Default Gateway. Provision the default gateway for the system.

5—DHCP Client Mode. Enable or disable the DHCP client.

6—Commit Changes. Save changes to the IP settings.

7—Reload Settings. Reload the existing IP settings.

Using the Maintenance CLI

The Maintenance CLI displays when the system is in Safe OS mode. The Safe OS is a diagnostic mode that you can use if the Main OS is experiencing problems. No applications or telephony services are running when the BCM450 is in Safe OS mode. The options available on the Maintenance CLI are:

0—Exit.The system exits to the Safe OS login prompt.

1—Reboot into Main OS. The system reboots to the Main OS.

2—Shutdown.The system shuts down. You need physical access to the BCM450 hardware to restart the system.

3—Reboot into Safe OS. The system reboots to the Safe OS and waits 1 minute for you to login. If you do not login within 1 minute, the system changes to the Main OS.

4—Transition to Main OS. The system changes from the Safe OS to the Main OS without restarting.

5—Configuration Reset. A Level 1 reset occurs. The system resets all configuration data to the factory defaults.

6—Software Reset. A Level 2 reset occurs. The system resets all configuration data and software to the factory defaults.

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Contents BCM450 Troubleshooting Guide Copyright 2008 Nortel Networks, All Rights Reserved BCM450 Troubleshooting Guide Task ListTask List NN40160-700Contents Chapter Advanced Troubleshooting ContentsChapter Understanding system messages Chapter Contacting Technical Support Audience IntroductionPurpose OrganizationList of acronyms AcronymsIntroduction Acronym DescriptionIntroduction List of acronyms Symbols and conventions used in this guide Related publications Introduction NN40160-700 Network configuration Initial TroubleshootingProper installation and routine maintenance NavigationNormal behavior on your network Device configuration informationInitial Troubleshooting Logical connectionsInitial Troubleshooting Initial Troubleshooting NN40160-700 Check the power source Hardware TroubleshootingTroubleshooting the BCM450 hardware Check LED indicatorsHardware Troubleshooting System status LEDs states and descriptionsLAN port LED locations Status DescriptionPower Status Description MBM LED descriptionsDTM LED functions Status DescriptionsTo verify the keycodes using Element Manager Check the wiring connectionsVerify the keycodes To verify the keycodes using Telset Restart or shut down the systemTo restart the system Reset functionsFunction Description Impact Hardware reset functions Power on self testViewing the Post log file Testing basic hardware functionality Example Bootloader.log file with no errorsTo troubleshoot the main unit To test the main unitTo test the expansion unit Testing an MBM To troubleshoot the expansion unitTroubleshooting the FEM Determining why an MBM does not appear in Element ManagerTo determine why the ATA 2 does not function To check the ATA2 wiring To determine why there is no dial tone at the ATA2Reset to factory settings Reset levels To perform a Level 1 reset configuration reset Monitoring the boot processTo perform a Level 2 reset software reset Hardware Troubleshooting Boot process with failed or missing memory Verify the keycodes Software TroubleshootingVerify the software version Check the programming of lines and phonesTo check line programming Software TroubleshootingCheck line programming Trunk/Line dataSoftware Troubleshooting Trunk/Line Data main panel Sheet 2 Software Troubleshooting Trunk/Line Data main panel Sheet 3 PropertiesDia l mode Properties line settings Sheet 1Trunk mode Line must be equipped with disconnect supervision fromSignaling Software Troubleshooting Properties line settings Sheet 2Preferences Preferences details fields for lines Sheet 1 Auto privacyAnswer mode Restrictions RestrictionsRestoring system data To restore data from an archiveAssigned DNs To restore the factory configuration Select Components to Restore panel opensViewing the inventory of BCM450 software Obtaining software updatesVerify the software inventory To view the BCM450 software inventoryTo obtain updates from the Nortel Technical Support Web Software Troubleshooting NN40160-700 Troubleshooting example Advanced TroubleshootingExample 1 Cannot dial out from an analog trunk Advanced Troubleshooting Example 2 Cannot dial out from a SIP or H323 VoIP trunk Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Example 3 IP set is not registering with the BCM450 Troubleshooting example 3a Troubleshooting example 3bAdvanced Troubleshooting Example 5 Cannot dial out from digital trunk Troubleshooting example Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Troubleshooting example Select Configuration Resources Telephony Resources Recovery trees System is not processing callsRecovery trees Start-up profile failsCannot access BCM450 through Element Manager Start-up profile failsCannot access BCM450 through Element Manager NN40160-700 Unexpected shutdown BCM450 Troubleshooting Guide BCM450 shuts down unexpectedlyRecovery trees NN40160-700 Downloading software from the BCM450 webpage Application User Administrator User ApplicationsDownloading Software Applications available on BCM450 webTo download software from the BCM450 webpage Downloading Software Applications available on BCM450 webDownloading software from the Nortel web site Downloading SoftwareDownloading Software NN40160-700 Service Management Troubleshooting ToolsStatus and Metrics Troubleshooting Tools Command Line InterfaceAccessing the CLI UtilitiesAccessing the CLI through the OAM port Accessing the CLI through a serial connectionUsing the Configuration CLI Using the Maintenance CLI Reporting for dropped calls Alarms, logs, and trapsUnderstanding system messages To set Release ReasonsUnderstanding system messages Release reasons Using the Knowledge and Solution Engine Useful Troubleshooting LinksKnowledge and Solution Engine Partner BulletinsTo use the Knowledge and Solution Engine Useful Troubleshooting LinksTo perform a backup Frequently Asked QuestionsBackup, restore, and reset operations How do I back up the database?To restore data from the BCM450 How do I restore the BCM450 from a previous backup?Frequently Asked Questions How do I recover a lost password for the BCM450? Password protectionCompleting a warm or cold reset Recovering a lost passwordHow do I view Alarms? Can I acknowledge and clear them? Fault managementTo view an alarm System and status information To acknowledge an alarmUsing the Element Manager to transfer log files How do I capture the logs from the BCM450?Using the BCM450 Web Page to transfer log files How do I capture the current BCM450 configuration? Capturing the current configurationHow do I show specific process states? How do I find the BCM450 system health?Viewing the system health Viewing specific process statesHow do find the BCM450 System ID and Serial Number? Connectivity problemsVerify the current software revision Viewing the system ID and serial numberIP addresses What is an Ethernet loop, and how do I avoid creating one?What are the default IP addresses of the BCM450 ports? Can I modify the IP address of the OAM port?Frequently Asked Questions Frequently Asked Questions NN40160-700 Contacting Technical Support Gathering critical informationGetting Help from the Nortel Web site Getting help over the phone from a Nortel Solutions CenterContacting Technical Support Getting help through a Nortel distributor or reseller Contacting Technical Support NN40160-700