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Displays a calendar that allows you to select the year, month, day, and time. It also allows you to select the local time. By default, the messages generated during the last one hour are displayed. An event ID, also known as a system log message code, uniquely identifies a system log message.

It begins with a prefix that indicates the generating software process or library. To specify events with a specific description, type a text string from the description with regular expression. To apply the filter and display messages, click Search. To reset the field values that are listed in the Events Filter box, click Reset. Starting in Junos OS Release The Generate Raw Report button is enabled after the event log messages start loading in the Events Detail table.

The Generate Report button appears only after event log messages are completely loaded in the Events Detail table. The Generate Raw Report button is displayed while event log messages are being loaded. Generates a list of event log messages in tabular format, which shows system details, events filter criteria, and event details.

Table 5 describes the Event Summary fields. By default, the View Events page in the J-Web interface displays the most recent 25 events, with severity levels highlighted in different colors. After you specify the filters, Event Summary displays the events matching the specified filters.

Click the First , Next , Prev , and Last links to navigate through messages. The information displayed in this field is different for messages generated on the local Routing Engine than for messages generated on another Routing Engine on a system with two Routing Engines installed and operational. Messages from the other Routing Engine also include the identifiers re0 and re1 that identify the Routing Engine.

Unknown —Gray—Indicates no severity level is specified. Warning —Yellow or Amber—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 switch to stop functioning. A severity level indicates how seriously the triggering event affects switch functions. When you configure a location for logging a facility, you also specify a severity level for the facility.

Only messages from the facility that are rated at that level or higher are logged to the specified file. The prefix on each code identifies the message source, and the rest of the code indicates the specific event or error. Some processes on a switch do not use codes. This field might be blank in a message generated from such a process.

Error —Indicates an error or failure condition that might require corrective action. Event —Indicates a condition or occurrence that does not generally require corrective action. The problem persists after rebooting the switches or upgrading to the latest version of Junos OS. Perform a system storage cleanup and delete unwanted files in the system storage by using the command:. This command does not delete files in the root folder; it deletes files in the folders jail , log , and tmp only.

If any directory is taking up a lot of memory, delete unwanted files in that directory. Check the memory utilization by using the command:. Snapshot names are not completed automatically in the CLI; you must enter the snapshot name. After upgrading Junos OS, delete the upgrade installation package by using the command:. Temperature sensors in the chassis monitor the temperature of the chassis. The switch triggers an alarm if a fan fails or if the temperature of the chassis exceeds permissible levels for some other reason.

When the switch triggers a temperature alarm such as the FPC 0 EX-PFE1 Temp Too Hot alarm, use the show chassis environment and the show chassis temperature-thresholds commands to identify the condition that triggered the alarm. To prevent the switch from overheating, operate it in an area with an ambient temperature within the recommended range. To prevent airflow restriction, allow at least 6 inches Connect to the switch by using Telnet, and issue the show chassis environment command.

This command displays environmental information about the switch chassis, including the temperature. The command also displays information about the fans, power supplies, and Routing Engines.

Following is a sample output on an EX switch. The output is similar on other EX Series switches. Table 6 lists the output fields for the show chassis environment command. The table lists output fields in the approximate order in which they appear. Fans : Information about the status of fans and blowers. Status of the specified chassis component. For example, if Class is Fans , the fan status can be:. Testing : The fans are being tested during initial power-on. Failed : The fans have failed or the fans are not spinning.

Depends on the Class. Issue the command show chassis temperature-thresholds. This command displays the chassis temperature threshold settings. Table 7 lists the output fields for the show chassis temperature-thresholds command. Chassis component. You can configure the threshold information for components such as the chassis, the Routing Engines, and FPC for each slot in each FRU to display in the output.

By default, information is displayed only for the chassis and the Routing Engines. Temperature thresholds, in degrees Celsius, for the fans to operate at normal and at high speed. Normal —The temperature threshold at which the fans operate at normal speed and when all the fans are present and functioning normally.

High —The temperature threshold at which the fans operate at high speed or when a fan has failed or is missing. An alarm is triggered when the temperature exceeds the threshold settings for a yellow, amber, or red alarm. Temperature threshold, in degrees Celsius, that triggers a yellow or amber alarm. Normal —The temperature threshold that must be exceeded on the device to trigger a yellow or amber alarm when the fans are running at full speed.

Bad fan —The temperature threshold that must be exceeded on the device to trigger a yellow or amber alarm when one or more fans have failed or are missing. Temperature threshold, in degrees Celsius, that triggers a red alarm. Normal —The temperature threshold that must be exceeded on the device to trigger a red alarm when the fans are running at full speed. Bad fan —The temperature threshold that must be exceeded on the device to trigger a red alarm when one or more fans have failed or are missing.

Temperature threshold, in degrees Celsius, at which the switch shuts down in case of fire. When a temperature alarm is triggered, you can identify the condition that triggered it by running the show chassis environment command to display the chassis temperature values for each component and comparing those with the temperature threshold values.

You can display the temperature threshold values by running the show chassis temperature-thresholds command. Table 8 lists the possible causes for the switch to generate a temperature alarm. It also lists the respective remedies. Ensure that the ambient temperature is within the threshold temperature limit. Restricted airflow through the switch due to insufficient clearance around the installed switch.

Help us improve your experience. Let us know what you think. Do you have time for a two-minute survey? Maybe Later. Troubleshooting EX Components. Table 1: Alarm Terms Term Definition alarm Signal alerting you to conditions that might prevent normal operation. Note: On EX switches, a system alarm can be triggered by an internal link error. Minor yellow Check the fan. The temperature inside the chassis reaches the red alarm limit. Major red Check the fan.

The temperature sensor has failed. Management Ethernet interface Management Ethernet link is down. Major red Check whether a cable is connected to the management Ethernet interface, or whether the cable is defective. Minor yellow Clean up the system file storage space on the switch. Major red Clean up the system file storage space on the switch. Rescue configuration is not set.

Minor yellow Use the request system configuration rescue save command to set the rescue configuration. Feature usage requires a license or the license for the feature usage has expired. Minor yellow Install the required license for the feature specified in the alarm. Select an alarm filter based on alarm type, severity, description, and date range. Click Go. All the alarms matching the filter are displayed.

Note: When the switch is reset, the active alarms are displayed. Meaning Table 3 lists the alarm output fields. US EN. Try Now. Recommended for you. And people are taking notice. See more Products. Why Juniper? The Feed. EX Ethernet Switch. Key Features. Port density. Form factor. Switching capacity. EX Datasheet. Contact Sales. Juniper Mist Wired Assurance.

Virtual Chassis. Innovative Design. Eight QoS Queues. See the report. Resource Center. Practical Resources. Technical Documentation. EX Documentation. Day One Books. All Day One Books. Design Center. EX Ethernet Switch Support. Training and Community. Enterprise Learning Path. Data Center Learning Path. All-Access Training Pass. On-Demand Training. Training and Certification Forum. Learn More. White Papers. Datasheets and Specifications.

EX Ethernet Switch Datasheet. EX Specifications. Read the story. See other stories. Compare products. EXC The EXC Ethernet Switch offers a compact, power-efficient, cost-effective solution for low-density branch offices and enterprise workgroups.

View details. Want to see every EX product? View the EX series. Get the guide now. Sign up now. Find EX Ethernet Switch in these solutions. Wired Access The wired portfolio, coupled with wireless, combines performance and simplicity at scale, while delivering optimized experiences to users and devices with AI-driven insights and automation. Back to top. Get updates from Juniper Sign Up. Follow Us.