JUNOS Internet Software Network Operations Guide: Hardware

About This Manual
Objectives
Audience
Document Organization
Chapter Organization
Documentation Conventions
Related Juniper Networks Documentation
Documentation Feedback
Requesting Support
M5 and M10 Internet Router Overview
M5 and M10 Router Components
Monitoring M5 and M10 Router Components
M7i Internet Router Overview
M7i Router Components
Monitoring M7i Router Components
M10i Internet Router Overview
M10i Router Components
Monitoring M10i Router Components
M20 Internet Router Overview
M20 Router Components
Monitoring M20 Router Components
M40 Internet Router Overview
M40 Router Components
Monitoring M40 Router Components
M40e Internet Router Overview
M40e Router Major Hardware Components
Monitoring M40e Router Components
M160 Internet Router Overview
M160 Router Major Hardware Components
Monitoring M160 Router Components
M320 Internet Router Overview
M320 Router Major Hardware Components
Monitoring M320 Router Components
T320 Internet Router Overview
T320 Router Major Hardware Components
Monitoring T320 Router Components
T640 Internet Routing Node Overview
T640 Routing Node Major Hardware Components
Monitoring T640 Routing Node Components
Understanding the Method and Tools for Monitoring Router Components
Basic Router Component Monitoring Method
Basic Router Component Monitoring Tools
Common Operational Mode CLI Commands To Monitor Router Components
Using the Basic Monitoring Method
Check the Router Component Status
Check the Router Craft Interface
Check the Component LEDs
Display Detailed Component Environmental Information
Display Detailed Component Operational Information
Gather Component Alarm Information
Display the Current Router Alarms
Display Error Messages in the Messages Log File
Display Error Messages in the Chassis Daemon Log File
Verify the Component Problem
Fix the Problem
Contact JTAC
Return the Failed Component
Monitoring Key Router Components
Understanding Key Router Components
Packet Forwarding Engine
Data Flow Through the Router Packet Forwarding Engine
Routing Engine
Routing Engine Functions
Monitoring the Router Chassis
Understanding the Router Chassis
Checking the Router Chassis Component Status
Display the Hardware Components Installed in the Router Chassis
Check the Component Environmental Status
Check the Component Status from the Craft Interface
Checking Router Alarms
Display Current Component Alarms
Display Component Error Messages in the System Log File
Display Component Errors in the Chassis Daemon Log File
Verifying Router Component Failure
Replacing a Failed Component
Monitoring the Routing Engine
Understanding the Routing Engine
Routing Engine Types and Characteristics
M7i and M10i Router Routing Engine
M5, M10, M20, M40, M40e, and M160 Router Routing Engines
M320 Router Routing Engine
T320 Router and T640 Routing Node Routing Engine
Routing Engine Locations
M5, M10, and M20 Router Routing Engines Location
M7i and M10i Router Routing Engine Location
M40 Router Routing Engine Location
M40e and M160 Router Routing Engine Location
M320 Router Routing Engine Location
T320 Router and T640 Routing Node Routing Engine Location
Routing Engine Redundancy
Routing Engine Component Companionship
Routing Engine Boot Devices
Routing Engine Storage Media
Monitoring the Routing Engine Status
Check the Detailed Routing Engine Status
Check the Routing Engine LEDs
Check the M7i Routing Engine LEDs
Check the M10i Router Routing Engine LEDs
Check the M20 Router Routing Engine LEDs
Check the M40 Router Routing Engine LEDs
Check the M40e and M160 Router Routing Engine LEDs
Check the M320 Router Routing Engine LEDs
Check the T320 Router Routing Engine LEDs
Check the T640 Routing Node Routing Engine LEDs
Check the Redundant Routing Engine Status from the Craft Interface CLI Output
Verifying Routing Engine Failure
Check Core Files If the Routing Engine Reboots
List the Core Files Generated After A Crash Occurs
Display the Messages Log File After A Crash Occurs
Example of When No Core File Is Generated
Example of Boot Messages If Routing Engine Fails to Boot
Check for Compact Flash Media and Hard Disk Failure
When the Compact Flash Is Removed from the Boot List
Determine Why Compact Flash Did Not Mount
When the Hard Disk Is Removed from the Boot List
Verify That the Hard Disk Did Not Mount
Verify That the Hard Disk Is Missing from The Boot List
View Alarms When Media Is Removed from the Boot List
Understand What Happens When Memory Failures Occur
Check the Router File System and Boot Disk
Display the Current Routing Engine Alarms
Display Error Messages in the System Log File
Document the Events Prior to the Failure
Getting Routing Engine Hardware Information
Display Routing Engine Hardware Information
Locate the Routing Engine Serial Number ID Label
M7i Router Routing Engine Serial Number ID Label Location
M10i Router Routing Engine Serial Number ID Label Location
Teknor Type 2 Routing Engine Serial Number ID Label Location
M40 Router Routing Engine Serial Number ID Label Location
M320 Router Serial Number ID Label Location
T320 Router and T640 Routing Node Serial Number ID Label Location
Removing a Routing Engine
Monitoring FPCs
Understanding FPCs
Checking the FPC Status
Check FPC Status and Utilization
Check FPC Status and Uptime
Check FPC Status and Temperature
Check the FPC LED States
Checking for FPC Alarms
Display the Current FPC Alarms
Display FPC Error Messages in the System Log File
Display FPC Error Messages in the Chassis Daemon Log File
Verifying FPC Failure
Document Events Prior to the FPC Failure
Check the FPC Installation
Check the FPC Fuses
Take the FPC Offline
Perform an FPC Swap Test
Display the FPC Software Version Information
Display the FPC Hardware Information
Locate the FPC Serial Number ID Label
Replacing an FPC
Monitoring PICs
Understanding PICs
Checking the PIC Status
Display the PIC Media Type and FPC Status
Display the PIC Interface Status Information
Check the PIC LED States
Checking PIC Alarms
Check Current Chassis Alarms
Display Error Messages in the System Log File
Verifying PIC Failure
Perform a PIC Swap Test
Display PIC Hardware Information
Locate the PIC Serial Number ID Label
Replacing a PIC
Monitoring the Craft Interface
Understanding the Craft Interface
Monitoring the Craft Interface Status
View the Craft Interface Status
Check the Craft Interface Environmental Status
Viewing Craft Interface Information from the Command Line
Verifying Craft Interface Failure
Display Craft Interface Alarms
Display Craft Interface Error Messages in the System Log File
Display Craft Interface Messages in the Chassis Daemon Log File
Display Craft Interface Hardware Information
Replacing the Craft Interface
Replace the M20 Router Craft Interface
Replace the M40 Router Craft Interface
Replace the M40e and M160 Router Craft Interface
Replace the M320 Router Craft Interface
Replace the T320 Router and T640 Routing Node Craft Interface
Locating the Craft Interface Serial Number ID Label
Locate the M20 Router Craft Interface Serial Number ID Label
Locate the M40 Router Craft Interface Serial Number ID Label
Locate the M40e and M160 Router Craft Interface Serial Number ID Label
Locate the M320 Router Craft Interface Serial Number ID Label
Locate the T320 Router and T640 Routing Node Craft Interface Serial Number ID Label
Returning the Craft Interface
Monitoring Power Supplies
Understanding Power Supplies
M5/M10 Router Power Supplies
M7i Router Power Supplies
M10i Router Power Supplies
M20 Router Power Supplies
M40 Router Power Supplies
M40e Router Power Supplies
M160 Router Power Supplies
M320 Router Power Supplies
T320 Router Power Supplies
T640 Routing Node Power Supplies
Checking the Power Supply Cables
Checking the Power Supply Status
Check the Power Supply Environmental Status
Check the Power Supply LEDs
Checking for Power Supply Alarms
Display Current Power Supply Alarms
Display Power Supply Error Messages in the System Log File
Display Power Supply Error Messages in the Chassis Daemon Log File
Verifying Power Supply Failure
Check the Power Supply Power Switch
Check the Circuit Breaker
Perform a Power Supply Swap Test
Check the Router Cooling System
Test the Power Supply
Getting Power Supply Hardware Information
Display the Power Supply Hardware Information
Locate the Power Supply Serial Number ID Label
Replacing the Power Supplies
Monitoring the Cooling System
Understanding the Cooling System
M5 and M10 Router Cooling Systems
M7i Router Cooling System
M10i Router Cooling System
M20 Router Cooling System
M40 Router Cooling System
M40e and M160 Router Cooling Systems
M320 Router Cooling System
T320 Router and T640 Routing Node Cooling Systems
Checking the Cooling System Status
Checking the Cooling System Alarms
Check the Alarm Indicators on the Craft Interface
Display Current Cooling System Alarms
Display Cooling System Error Messages in the System Log File
Maintaining the Air Filter
Verifying a Fan Failure
Verifying an Impeller Failure
Replacing a Cooling System Component
Maintaining the Cable Management System, Cables, and Connectors
Understanding the Cable Management System, Cables, and Connectors
M5 and M10 Router Cable Management System
M10i Router Cable Management System
M20 Router Cable Management System
M40 Router Cable Management System
M40e and M160 Router Cable Management System
M320 Router Cable Management System
T320 Router and T640 Routing Node Cable Management System
Maintaining the PIC Cables
Maintaining the PIC Fiber-Optic Cable
Cleaning the Transceivers
Checking the PIC Port Status
Check the PIC or FPC LED Status
Display the PIC Media Type
Maintaining the Power Cables
Maintaining Routing Engine External Cables
Replacing the Cable Management System
Monitoring the Host Subsystem
Understanding the Host Subsystem
M320 and T320 Router and T640 Routing Node Routing Engines
M320 Router Routing Engine
T320 Router and T640 Routing Node Routing Engine
M320 and T320 Router and T640 Routing Node Control Boards
M320 Router Control Board
T320 Router Control Board
T640 Routing Node Control Board
Host Subsystem Location
Checking the Host Subsystem Status
Checking the Routing Engine Status
Checking the Control Board Status
Monitoring the Control Board
Understanding the Control Board
M320 Router Control Board
T320 Router Control Board
T640 Routing Node Control Board
M320, T320 Router, and T640 Routing Node Control Board Location
Monitoring the Control Board Status
Check the Control Board Environmental Status
Check the Control Board Status from the Craft Interface
Checking the Control Board Alarms
Display Control Board Alarms
Check the Control Board LEDs
Display Control Board Error Messages in the System Log File
Display Control Board Error Messages in the Chassis Daemon Log File
Verifying Control Board Failure
Check the Control Board Connection
Check the Control Board Fuses
Perform a Control Board Swap Test
Display the Control Board Hardware Information
Locate the Control Board Serial Number ID Label
Returning the Control Board
Monitoring the SCGs
Understanding the SCG
Monitoring the SCG Status
Monitor the SCG Environmental Status
Display the SCG LED States at the Command Line
Look at the SCG LEDs on the Faceplate
Determining SCG Mastership
Display the SCG Master from the Craft Interface Output
Look at the SCG LEDs on the Faceplate
Displaying SCG Alarms
Display Current SCG Alarms
Display SCG Error Messages in the System Log File
Display SCG Error Messages in the Chassis Daemon Log File
Verifying SCG Failure
Check the SCG Connection
Perform an SCG Swap Test
Getting SCG Hardware Information
Display the SCG Hardware Information
Locate the SCG Serial Number ID Label
Returning the SCG
Monitoring the SIBs
Understanding the SIBs
M320 Router SIBs
T320 Router SIBs
T640 Routing Node SIBs
Monitoring the SIB Status
Display the SIB Summary Status
Display the SIB LED Status at the Command Line
Check the SIB LED Status on the Faceplate
Display the SIB Environmental Status
Displaying SIB Alarms
Display Current SIB Alarms
Display SIB Error Messages in the System Log File
Display SIB Error Messages in the Chassis Daemon Log File
Verifying SIB Failure
Check the SIB Connection
Check the SIB Fuses
Perform an SIB Swap Test
Getting SIB Hardware Information
Display SIB Hardware Information
Locate the SIB Serial Number ID Label
Returning the SIB
Monitoring the Host Module
Understanding the Host Module
Checking the Host Module Status
Checking the Routing Engine Status
Checking the MCS Status
Monitoring the SFMs
Understanding the SFMs
Monitoring the SFM Status
Display the SFM Summary Status
Display the SFM LED Status at the Command Line
Check the SFM LED Status on the Faceplate
Display the SFM Environmental Status
Displaying SFM Alarms
Display Current SFM Alarms
Display SFM Error Messages in the System Log File
Display SFM Error Messages in the Chassis Daemon Log File
Verifying SFM Failure
Check the SFM Connection
Check the SFM Fuses
Perform an SFM Swap Test
Getting SFM Hardware Information
Display SFM Hardware Information
Locate the SFM Serial Number ID Label
Replacing the SFM
Monitoring the MCS
Understanding the MCS
Checking the MCS Status
Check the MCS Environmental Status
Check the MCS Status from the Craft Interface
Check the MCS LEDs
Verifying MCS Failure
Check the MCS Fuses
Perform an MCS Swap Test
Getting MCS Hardware Information
Display the MCS Hardware Information
Locate the MCS Serial Number ID Label
Returning the MCS
Monitoring the PCG
Understanding the PCG
Monitoring the PCG Status
Monitor the PCG Environmental Status
Display the PCG LED States at the Command Line
Look at the PCG LEDs on the Faceplate
Determining PCG Mastership
Display the PCG Master in the Craft Interface Output
Look at the PCG LEDs on the Faceplate
Display the Packet Forwarding Engine Current Clock Source
Displaying PCG Alarms
Display Current PCG Alarms
Display PCG Error Messages in the System Log File
Display PCG Error Messages in the Chassis Daemon Log File
Verifying PCG Failure
Check the PCG Connection
Check the PCG Fuses
Perform a PCG Swap Test
Getting PCG Hardware Information
Display the PCG Hardware Information
Locate the PCG Serial Number ID Label
Replacing the PCG
Monitoring the CIP
Understanding the CIP
Monitoring the CIP Status
Checking for CIP Alarms
Display Current CIP Alarms
Display CIP Error Messages in the System Log File
Display CIP Error Messages in the Chassis Daemon Log File
Verifying CIP Failure
Check the CIP Connection
Check the Ethernet Port Functionality
Performing a CIP Swap Test
Getting CIP Hardware Information
Display CIP Hardware Information
Locating the CIP Serial Number ID Label
Replacing the CIP
Monitoring the SCB
Understanding the SCB
Monitoring the SCB Status
Display the SCB Environmental Status
Display the SCB Detailed Status
Check the SCB LED Status
Checking for SCB Alarms
Display SCB Error Messages in the System Log File
Display SCB Error Messages in the Chassis Daemon Log File
Verifying SCB Failure
Check the SCB Connection
Perform an SCB Swap Test
Getting SCB Hardware Information
Display the SCB Hardware Information
Locate the SCB Serial Number ID Label
Display the SCB Firmware Version
Returning the SCB
Monitoring the SSB
Understanding the SSB
Monitoring the SSB Status
Display the SSB Environmental Status
Display the SSB Detailed Status
Check the SSB LEDs
Checking for SSB Alarms
Display SSB Error Messages in the System Log File
Display SSB Error Messages in the Chassis Daemon Log File
Verifying SSB Failure
Check the SSB Connection
Perform a Swap Test on the SSB
Getting SSB Hardware Information
Display the SSB Hardware Information
Locate the SSB Serial Number ID Label
Display the SSB Firmware Version
Replacing the SSB
Monitoring the CFEBs
Understanding the CFEB
Monitoring the CFEB Status
Display the CFEB Environmental Status
Display the CFEB Detailed Status
Check CFEB LEDs
Checking for CFEB Alarms
Display CFEB Alarms
Check the CFEB LEDs
Display CFEB Error Messages in the System Log File
Display CFEB Error Messages in the Chassis Daemon Log File
Verifying CFEB Failure
Check the CFEB Uptime
Check the System Uptime
Check the CFEB Connection
Perform a Swap Test on the CFEB
Perform a Swap Test on the CFEB
Getting CFEB Hardware Information
Display the CFEB Hardware Information
Display the CFEB Firmware Information
Locate the CFEB Serial Number ID Label
Returning the CFEB
Monitoring the HCM
Understanding the HCM
Monitoring the HCM Status
Check HCM LEDs
Check HCM Environmental Status
Check the Companion Routing Engine Status
Displaying HCM Alarms
Performing A Swap Test
Remove an HCM
Install an HCM
Getting HCM Hardware Information
Display the HCM Hardware Information
Locate the HCM Serial Number ID Label
Returning the HCM
Monitoring the FIC
Understanding the FIC
Monitoring the FIC Status
Understand FIC Slot Numbering
Display FIC Status at the Command Line
Check FIC LEDs
Displaying FIC Alarms
Display the FIC Status
Display FIC Errors In the nmessages Log File
Display FIC Errors In the chassisd Log File
Verifying FIC Failure
Displaying FIC Hardware Information
Display the FIC Hardware Information
Display the M7i Router Chassis Serial Number
Removing the FIC
Returning the FIC
Monitoring the FEB
Understanding the FEB
Monitoring the FEB Status
Display the FEB Environmental Status
Display the FEB Detailed Status
Verifying FEB Failure
Check the FEB Uptime
Check the System Uptime
Check the FEB Connection
Perform a Swap Test on the FEB
Getting FEB Hardware Information
Display the FEB Hardware Information
Display the FEB Firmware Information
Locate the FEB Serial Number ID Label
Returning the FEB
Host Redundancy Overview
Understanding Redundancy for the Routing Engine, Host Module, and Host Subsystem
M10i Router Redundant Routing Engines and HCMs
M20 Router Redundant Routing Engines and SSBs
M40e and M160 Router Redundant Host Modules
M320 Router, T320 Router, and T640 Routing Node Redundant Host Subsystems
Routing Engine, Host Module, and Host Subsystem Redundancy Connections
Redundancy Connection for an M10i Router
Redundancy Connection for an M20 Router
Redundancy Connection for an M40e or M160 Router
Redundancy Connection for an M320 Router
Redundancy Connection for a T320 Router and T640 Routing Node
Determining Which Routing Engine You Are Logged In To
Display Routing Engine Status
Display the Router Hardware
Determining Routing Engine Mastership
Determine the Routing Engine Mastership By Checking Status
Determine Routing Engine Mastership By Checking the LEDs
Log In To Backup Routing Engine If graceful-switchover is Configured
Manually Configuring Master and Backup Routing Engines
Manually Switching Routing Engine Mastership
Determining Why Mastership Switched
Configuring the Backup Routing Engine to Assume Mastership on Failure of Keepalives
Avoiding Redundancy Problems
Operate the Same Type of Routing Engine and JUNOS Software
Use the Groups Configuration
Synchronize Configurations
Copy a Configuration File from One Routing Engine to Another
Use the Proper Shutdown Process on a Backup Routing Engine
Monitoring Redundant Routing Engines
Understanding Redundant Routing Engines
Redundant Routing Engine Characteristics
M10i Router Routing Engine Redundancy
M20 Router Routing Engine Redundancy
M40e and M160 Router Routing Engine Redundancy
M320 Router Routing Engine Redundancy
T320 Router and T640 Routing Node Routing Engine Redundancy
Understanding the Redundant Routing Engine Configuration
Understanding Redundant Routing Engine Automatic Failover
Understanding the Default Routing Engine Redundancy Behavior
Displaying the Redundant Routing Engines Installed in the Router
Checking the Redundant Routing Engine Status
Displaying Redundant Routing Engine Mastership and Backup
Displaying Redundant Routing Engine Errors
Manually Switching from Master to Backup Routing Engine
Replacing a Redundant Routing Engine
Monitoring Redundant Power Supplies
Understanding Redundant Power Supplies
M5/M10 Router Redundant Power Supplies
M7i Router Redundant Power Supplies
M10i Router Redundant Power Supplies
M20 Router Redundant Power Supplies
M40 Router Redundant Power Supplies
M40e Router Power Supplies nand Location
M160 Router Redundant Power Supplies
M320 Router Redundant Power Supplies
T320 Router Redundant Power Supplies
T640 Routing Node Redundant Power Supplies
Displaying Redundant Power Supplies Installed In The Router
Checking the Redundant Power Supply Status
Checking for Power Supply Alarms
Verifying Power Supply Failure
Getting Power Hardware Information
Replacing a Power Supply
Monitoring Redundant Cooling System Components
Understanding Redundant Cooling System Components
M5 and M10 Router Redundant Cooling System Components
M7i Router Redundant Cooling System Components
M10i Router Redundant Cooling System Components
M20 Router Redundant Cooling System Components
M40 Router Redundant Cooling System Components
M40e and M160 Router Redundant Cooling System Components
M320 Router Redundant Cooling System Components
T320 Router Redundant Cooling System Components
T640 Routing Node Redundant Cooling System Components
Displaying Redundant Cooling System Components
Checking the Redundant Cooling System Status
Checking the Redundant Cooling System Alarms
Removing a Cooling System Component
Returning Redundant Cooling System Components
Monitoring Redundant SIBs
Understanding Redundant SIBs
SIB Location and Redundancy
M320 Router SIBs
T320 Router SIBs
T640 Routing Node SIBs
Displaying Redundant SIB Hardware Information
Displaying SIB Redundancy Information
Monitoring Redundant SIB Status
Displaying SIB Alarms
Performing a Swap Test on a SIB
Returning the SIB
Monitoring Redundant SCGs
Understanding Redundant SCGs
Displaying Redundant SCG Hardware Information
Monitoring Redundant SCG Status
Monitor the Redundant SCG Environmental Status
Display the Redundant SCG LED States at the Command Line
View the Redundant SCG LEDs
Displaying Redundant SCG Mastership
Display the SCG Master and Standby from the Craft Interface Output
View the SCG LEDs
Performing a Swap Test on a Redundant SCG
Returning the SCG
Monitoring Redundant Control Boards
Understanding Redundant Control Boards
Displaying Redundant Control Board Hardware Information
Displaying Redundant Control Board Mastership
Check the Redundant Control Board Environmental Status
Check the Redundant Control Board Status from the Craft Interface
Check the Redundant Control Board LED Status
Switching Control Board Mastership
Checking the Control Board Alarms
Replacing a Control Board
Returning the Control Board
Monitoring Redundant MCSs
Understanding Redundant MCSs
Displaying Redundant MCS Hardware Information
Monitoring Redundant MCS Status
Check the Redundant MCS Environmental Status
Check the Redundant MCS Status from the Craft Interface
Check the Redundant MCS LED Status
Displaying Redundant MCS Mastership
Switching MCS Mastership
Performing a Swap Test on a Redundant MCS
Returning an MCS
Monitoring Redundant SFMs
Understanding Redundant SFMs
Understanding M40e Router Redundant SFM Configuration
Understanding M40e Router Redundant SFM Operation
Understanding M160 Router Redundant SFM Operation
Displaying Redundant SFM Hardware Information
Monitoring Redundant SFM Status
Display the SFM Summary Status
Display the SFM LED Status at the Command Line
Check the SFM LED Status on the Faceplate
Display the SFM Environmental Status
Displaying Redundant SFM Mastership
Display SFM Mastership at the Command Line
Display SFM Mastership Information from the Craft Interface
Displaying Redundant SFM Alarms
Display the Current Redundant SFM Alarms
Display SFM Error Messages in the System Log File
Display SFM Error Messages in the Chassis Daemon Log File
Verifying SFM Failure
Check the SFM Connection
Restart the SFM
Perform an SFM Swap Test
Controlling Redundant SFMs
Take an SFM Offline
Bring an SFM Online
Switch SFM Mastership
Replacing an SFM
Monitoring Redundant PCGs
Understanding Redundant PCGs
Displaying Redundant PCG Hardware Information
Monitoring Redundant PCG Status
Monitor the Redundant PCG Environmental Status
Display the Redundant PCG Status from the Craft Interface
Check the PCG LED Status on the Faceplate
Determining Redundant PCG Mastership
Display the PCG Master from the Craft Interface
Check the PCG LEDs on the Faceplate
Display the Packet Forwarding Engine Current Clock Source
Displaying PCG Failure Alarms
Replacing a PCG
Bringing the Replaced PCG Online
Verifying That the Replaced PCG Is Online
Display the Replaced PCG Environmental Status
Display PCG Messages in the System Log File
Display PCG Error Messages in the Chassis Daemon Log File
Monitoring Redundant SSBs
Understanding Redundant SSBs
Displaying Redundant SSB Configuration
Displaying Redundant SSB Hardware Information
Monitoring Redundant SSB Status
Display the Redundant SSB Environmental Status
Display the Redundant SSB Detailed Status
Check the Redundant SSB LEDs
Displaying Redundant SSB Mastership
Display SSB Mastership from the Command Line
Check the SSB Mastership from the LEDs
Checking for SSB Alarms
Display the Current SSB Alarms
Display SSB Error Messages in the System Log File
Display SSB Error Messages in the Chassis Daemon Log File
Verifying SSB Failure
Check the SSB Connection
Perform a Swap Test on the SSB
Switch SSB Mastership
Replacing the SSB
Monitoring Redundant CFEBs
Understanding Redundant CFEBs
Displaying Redundant CFEB Hardware Information
Displaying CFEB Mastership
Check CFEB LEDs
Display the CFEB Status
Display CFEB Alarms
Verifying CFEB Failure
Returning the CFEB
Monitoring Redundant HCMs
Understanding Redundant HCMs
Displaying Redundant HCM Hardware Information
Displaying HCM Status and Mastership
Check the HCM LEDs
Check the HCM Environmental Status
Switching HCM Mastership
Displaying HCM Alarms
Verifying HCM Failure
Performing a Swap Test on an HCM
Returning an HCM
Command-Line Interface Overview
CLI Operational Mode
Using the CLI Operational Mode
Entering the CLI Operational Mode
Getting Help on Commands at a Hierarchy Level
Getting Help About Commands
Having the CLI Complete Commands
Using CLI Command Completion
Displaying CLI Command History
CLI Configuration Mode
Configuration Statements and Identifiers
Configuration Statement Hierarchy
Using the CLI Configuration Mode
Entering Configuration Mode
Exiting Configuration Mode
Moving Among Levels of the Hierarchy
Displaying the Current Configuration
Modifying the Configuration
Removing a Statement
Running Operational Mode CLI Commands from Configuration Mode
Displaying Configuration Mode Command History
Committing a Configuration
Saving a Configuration to a File
Returning to a Previously Committed Configuration
Getting Help About Statements
Index