Chapter 8 Monitoring Events and Managing System Log Files 155
System Log Message Terms .........................................................................155
System Log Messages Overview ..................................................................156
System Log Message Destinations .........................................................157
System Log Facilities and Severity Levels ..............................................157
Regular Expressions ..............................................................................158
Before You Begin .........................................................................................159
Configuring System Log Messages with a Configuration Editor ....................160
Sending System Log Messages to a File ................................................160
Sending System Log Messages to a User Terminal ................................161
Archiving System Logs ..........................................................................161
Disabling System Logs ..........................................................................162
Monitoring System Log Messages with the J-Web Event Viewer ..................162
Filtering System Log Messages ..............................................................162
Viewing System Log Messages ..............................................................164
Chapter 9 Configuring and Monitoring Alarms 165
Alarm Terms ...............................................................................................165
Alarm Overview ..........................................................................................166
Alarm Types .........................................................................................166
Alarm Severity ......................................................................................167
Alarm Conditions ..................................................................................167
Interface Alarm Conditions .............................................................167
Chassis Alarm Conditions and Corrective Actions ...........................170
System Alarm Conditions and Corrective Actions ...........................172
Before You Begin .........................................................................................172
Configuring Alarms with a Configuration Editor ..........................................172
Checking Active Alarms ...............................................................................174
Verifying the Alarms Configuration .............................................................175
Displaying Alarm Configurations ...........................................................175
Part 3 Managing Services Router Software
Chapter 10 Performing Software Upgrades and Reboots 179
Upgrade and Downgrade Overview .............................................................179
Upgrade Software Packages ..................................................................180
Recovery Software Packages .................................................................180
Before You Begin .........................................................................................181
Downloading Software Upgrades from Juniper Networks ............................181
Installing Software Upgrades with the J-Web Interface ................................182
Installing Software Upgrades from a Remote Server .............................182
Installing Software Upgrades by Uploading Files ...................................183
Installing Software Upgrades with the CLI ...................................................184
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Table of Contents