Document Outline

• About This Document
  • How this document is organized
  • Supported hardware and software
  • What’s new in this document
  • Document conventions
    • Text formatting
    • Command syntax conventions
    • Command examples
    • Notes, cautions, and warnings
    • Key terms
  • Additional information
    • Brocade resources
    • Other industry resources
  • Getting technical help
  • Document feedback
• Introduction
  • Troubleshooting overview
    • Network time protocol
  • Most common problem areas
  • Questions for common symptoms
  • Gathering information for your switch support provider
    • Setting up your switch for FTP
    • Capturing a supportSave
    • Capturing output from a console
    • Capturing command output
  • Building a case for your switch support provider
    • Basic information
    • Detailed problem information
    • Gathering additional information
• General
  • Licenses
  • Time
  • Frame Viewer
  • Switch message logs
  • Switch boot
    • Rolling Reboot Detection
  • FC-FC routing connectivity
    • Generating and routing an ECHO
    • Superping
    • Route and statistical information
    • Performance issues
• Connectivity
  • Port initialization and FCP auto-discovery process
  • Link issues
  • Connection problems
    • Checking the physical connection
    • Checking the logical connection
    • Checking the Name Server
  • Link failures
    • Determining a successful speed negotiation
    • Checking for a loop initialization failure
    • Checking for a point-to-point initialization failure
    • Correcting a port that has come up in the wrong mode
  • Marginal links
    • Troubleshooting a marginal link
  • Device login issues
    • Pinpointing problems with device logins
  • Media-related issues
    • Testing a port’s external transmit and receive path
    • Testing a switch’s internal components
    • Testing components to and from the HBA
  • Segmented fabrics
    • Reconciling fabric parameters individually
    • Downloading a correct configuration
    • Reconciling a domain ID conflict
    • Reconciling incompatible software features
  • Port mirroring
    • In-Order Delivery
    • Port mirroring considerations
    • Supported platforms
    • Maximum mirror connections
    • Configuring a port to be a mirror port
    • Adding a port mirror connection
    • Deleting a port mirror connection
    • Displaying port mirror connections
• Configuration
  • Configuration upload and download issues
    • Gathering additional information
  • Brocade configuration form
• Firmware Download Errors
  • Blade troubleshooting tips
  • Firmware download issues
  • Troubleshooting with the firmwareDownload command
    • Gathering additional information
  • USB error handling
  • Considerations for downgrading firmware
    • Preinstallation messages
    • Blade types
    • Firmware versions
    • Platform
    • Routing
• Security
  • Passwords
    • Password recovery options
  • Device authentication
  • Protocol and certificate management
    • Gathering additional information
  • SNMP
    • Gathering additional information
  • FIPS
• Virtual Fabrics
  • General Virtual Fabrics troubleshooting
  • Fabric identification issues
  • Logical Fabric issues
  • Base switch issues
  • Logical switch issues
  • Switch configuration blade compatibility
  • Gathering additional information
• ISL Trunking
  • Link issues
  • Buffer credit issues
    • Getting out of buffer-limited mode
• Zoning
  • Overview of corrective action
    • Verifying a fabric merge problem
    • Verifying a TI zone problem
  • Segmented fabrics
  • Zone conflicts
    • Correcting a fabric merge problem quickly
    • Changing the default zone access
    • Editing zone configuration members
    • Reordering the zone member list
    • Checking for Fibre Channel connectivity problems
    • Checking for zoning problems
  • Gathering additional information
• Diagnostic Features
  • About Fabric OS diagnostics
  • Diagnostic information
  • Power-on self test
    • Disabling POST
    • Enabling POST
  • Switch status
    • Viewing the overall status of the switch
    • Displaying switch information
    • Displaying the uptime for a switch
  • Using the SpinFab and portTest commands
    • Debugging spinFab errors
    • Clearing the error counters
    • Enabling a port
    • Disabling a port
  • Diagnostic Port (D_Port)
    • Understanding D_Port
    • Supported topologies
    • Using D_Port without HBAs
    • Using D_Port with HBAs
    • Controlling testing
    • Example test scenarios and output
  • Port information
    • Viewing the status of a port
    • Displaying the port statistics
    • Displaying a summary of port errors for a switch
  • Equipment status
    • Checking the temperature, fan, and power supply
    • Checking the status of the fans
    • Checking the status of a power supply
    • Checking temperature status
  • System message log
    • Displaying the system message log, with no page breaks
    • Displaying the system message log one message at a time
    • Clearing the system message log
  • Port log
    • Viewing the port log
  • Syslogd configuration
    • Configuring the host
    • Configuring the switch
  • Automatic trace dump transfers
    • Specifying a remote server
    • Enabling the automatic transfer of trace dumps
    • Setting up periodic checking of the remote server
    • Saving comprehensive diagnostic files to the server
• Switch Type and Blade ID
• Hexadecimal Conversion
  • Example conversion of the hexadecimal triplet Ox616000
  • Decimal-to-hexadecimal conversion table
• Index