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Monitoring System Properties

The system properties include everything from the name and IP address of the Services Router to the resource usage on the Routing Engine. To view these system properties, select Monitor>System in the J-Web interface, or enter the following CLI show commands:

Table 4 through Table 9 summarize key output fields in system properties displays.

Table 4: System Identification—Summary of Key System Properties Output Fields

Field

Values

Additional Information

System Identification

Serial Number

Serial number for the Services Router.

 

Host Name

Hostname of the Services Router, as defined with the set system hostname command.

 

System Time

Current system time, in Coordinated Universal Time (UTC).

 

Table 5: System Health—Summary of Key System Properties Output Fields

Field

Values

Additional Information

CPU

CPU usages by all processes, expressed as a percentage of total CPU available.

 
Top 5 CPU Consuming Processes

Process ID

Process identifier.

This is the PID field in show system processes command output.

Process Owner

Name of the process owner.

 

Process Name

Command that is currently running.

Individual processes on the Services Router are listed here. Because each process within JUNOS operates in a protected memory environment, you can diagnose whether a particular process is consuming an abnormal amount of resources.

If a software process is using too much CPU or memory, you can restart the process by entering the restart command from the CLI.

CPU Usage

Percentage of the CPU that is being used by the process.

 

Show complete process information

Select to display the software processes running on the router. See Table 9.

Memory

Percentage of the installed RAM being used by all processes.

 

Process ID

Process identifier.

This is the PID field in show system processes command output.

Process Owner

Name of the process owner.

 

Process Name

Command that is currently running.

Individual processes on the Services Router are listed here. Because each process within JUNOS operates in a protected memory environment, you can diagnose whether a particular process is consuming an abnormal amount of resources.

If a software process is using too much CPU or memory, you can restart the process by entering the restart command from the CLI.

Memory Usage

Percentage of the installed RAM that is being used by the process.

 

Show complete process information

Select to display the software processes running on the router. See Table 9.

Storage

Percentage of space used for a particular compact flash.

Storage usage table displays the used space per media type. For example:

  • Compact Flash
  • USB
Storage Usage

Media

Type of the memory device.

 

Total

Total size, in megabytes, of the primary memory device.

 

Usable

Total usable memory, in megabytes, of the primary memory device.

The total usable memory is the total memory minus the size of the JUNOS image installed on the Services Router.

Used

Total memory used, in megabytes and as a percentage of the total usable memory size, of the primary memory device.

 

Usage

Percentage of the memory that is being used by the process.

 
File System Usage

File Type

Type of the log files on the Services Router.

 

Size

Size, in kilobytes, of the files on the Services Router.

 

Log Files

Total size, in kilobytes, of the log files on the Services Router.

This is the sum of file sizes in the /var/log directory.

Temporary Files

Total size, in kilobytes, of the temporary files on the Services Router.

This is the sum of the file sizes in the /var/tmp directory.

Crash (Core) Files

Total size, in kilobytes, of the core files on the Services Router.

This is the sum of the file sizes in the /var/crash directory.

Database Files

Total size, in kilobytes, of the configuration database files on the Services Router.

This is the sum of the file sizes in the /var/db directory.

Chassis Status

Status of the router chassis:

  • OK (green)—Normal operation
  • Failure (red)—Failed
 
Chassis Component Temperature

Name

Chassis component. For J-series Services Routers, the chassis components are the Routing Engine and the fans.

 

Gauge Status

Status of the temperature gauge on the specified hardware comzponent.

 

Temperature

Temperature of the air flowing past the hardware component.

 
Chassis Fan Status

Name

Chassis component. For J-series Services Routers, the chassis components are the Routing Engine, the Physical Interface Module (PIM) slot number (identified in the display as an FPC), and the PIM number (identified in the display as a PIC).

On J-series Services Routers, an FPC and a PIM are the same physical unit. The PIM number is always 0.

Status

Status of the fans that are regulated by JUNOS software with enhanced services:

  • OK
  • Testing (when the router is powered on)
  • Failed
  • Absent
 

Fan Speed

Speed of the fans: normal or high speed.

Speed is adjusted automatically according to the current temperature.

Chassis Power Supplies

Name

Chassis component. For J-series Services Routers, the chassis components are the Routing Engine, the Physical Interface Module (PIM) slot number (identified in the display as an FPC), and the PIM number (identified in the display as a PIC).

On J-series Services Routers, an FPC and a PIM are the same physical unit. The PIM number is always 0.

Power Supply Status

Status of the power supply.

 

Temperature

Temperature of the air passing by the PIM, in degrees Celsius or in both Celsius and Fahrenheit.

 

Table 6: Key Elements Monitoring—Summary of Key System Properties Output Fields

Field

Values

Additional Information

Router Resource

Total number of physical interfaces present on the router.

 

Total

Total number of router resources.

 

Link Up

Services link is up.

The link between the Services Router and its services module is available.

Link Down

Services link is down.

The link between the Services Router and its services module is unavailable.

Details

Link to the page that monitors the interfaces present on the router.

Click the link to display the page. For a description, see Monitoring the Interfaces.

Security Resources

Maximum

Maximum number of security resources available on the router.

 

Configured

Number of security resources configured.

 

Activated

Number of configured security resources that are activated.

 

Details

Links to related monitor pages. Click the link to display the page.

 

Table 7: Login Sessions—Summary of Key System Properties Output Fields

Active User Count

Total number of users currently logged into the router.

This number also Includes users logged in through the J-Web interface.

User

Username of any user logged in to the Services Router.

 

TTY

Terminal through which the user is logged in.

 

From

System from which the user has logged in. A hyphen indicates that the user is logged in through the console.

 

Login Time

Time when the user logged in.

This is the LOGIN@ field in show system users command output.

Idle Time

How long the user has been idle.

 

Commands

Processes that the user is running.

This is the WHAT field in show system users command output.

Table 8: System Most Recent Alarms—Summary of Key System Properties Output Fields

Field

Values

Additional Information

System Active Alarms

Total number of active alarms logged on the device.

 
Most Recent System Alarms

Received At

Date and time when the alarm condition was detected.

 

Severity

Alarm severity—either major (red) or minor (yellow).

A major (red) alarm condition requires immediate action. A minor (yellow) condition requires monitoring or maintenance.

Subject

Brief synopsis of the alarm.

Clicking the alarm subject displays a detailed alarm message.

System Log Message Statistics

Select Log File

Specifies the name of a system log file for which you want to display the recorded events.

To specify events recorded in a particular file, select the system log filename from the list—for example, messages.

Total Alarms Log

Total number of alarms logged on the device.

 
Most Recent System Logs

Received At

Date and time when the event was detected.

 

Severity

Severity of events occurring on the router and recorded in the system log. A severity level indicates how seriously the event affects router functions.

The severity levels of events are

  • Unknown (gray)—Indicates no severity level is specified.
  • Debug/Info/Notice (green)—Indicates conditions that are not errors but are of interest or might warrant special handling.
  • Warning (yellow)—Indicates conditions that warrant monitoring.
  • Error (blue)—Indicates standard error conditions that generally have less serious consequences than errors in the emergency, alert, and critical levels.
  • Critical (pink)—Indicates critical conditions, such as hard drive errors
  • Alert (orange)—Indicates conditions that require immediate correction, such as a corrupted system database.
  • Emergency (red)—Indicates system panic or other conditions that cause the routing platform to stop functioning.

Description

Displays a more detailed explanation of the message.

 

Table 9: Process Information—Summary of Key System Properties Output Fields

Field

Values

Additional Information

Process ID

Identifier of the process.

 

Effective User

Owner of the process.

 

Command

Command that is currently running.

 

Terminal

Terminal that is currently running.

 

Status

Current status of the process.

 

Sleep state

Sleep state of the process.

 

Start time

Time of day when the process started.

 

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