x ! Table of Contents
JUNOS Internet Software Network Operations Guide: Hardware
Chapter 7 M160 Internet Router Overview 27
M160 Router Major Hardware Components...................................................28
Monitoring M160 Router Components ...........................................................29
Chapter 8
M320 Internet Router Overview 31
M320 Router Major Hardware Components...................................................32
Monitoring M320 Router Components ...........................................................33
Chapter 9
T320 Internet Router Overview 35
T320 Router Major Hardware Components....................................................37
Monitoring T320 Router Components ............................................................38
Chapter 10
T640 Internet Routing Node Overview 39
T640 Routing Node Major Hardware Components.........................................41
Monitoring T640 Routing Node Components .................................................42
Part 2 Understanding Methodology and Tools for Monitoring
Router Components
Chapter 11 Understanding the Method and Tools for Monitoring Router
Components 47
Basic Router Component Monitoring Method.................................................47
Basic Router Component Monitoring Tools ....................................................49
Common Operational Mode CLI Commands To Monitor Router
Components .....................................................................................53
Using the Basic Monitoring Method................................................................55
Check the Router Component Status .......................................................56
Check the Router Craft Interface .......................................................56
Check the Component LEDs..............................................................57
Display Detailed Component Environmental Information .................59
Display Detailed Component Operational Information......................60
Gather Component Alarm Information ....................................................60
Display the Current Router Alarms....................................................61
Display Error Messages in the Messages Log File ..............................83
Display Error Messages in the Chassis Daemon Log File ...................83
Verify the Component Problem ...............................................................84
Fix the Problem.......................................................................................84
Contact JTAC ...........................................................................................84
Return the Failed Component..................................................................86
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