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Rachel Bailey DVMJul 25, 2025
What to do if the Juniper QFX5100-48S RE /var partition is full?
- LLauren MartinJul 25, 2025
If the /var partition on your Juniper Switch RE is full, you should clean up the system file storage space on the switch.
To Next PageTo Next PageWhat to do if the Juniper QFX5100-48S RE /var partition is full?
If the /var partition on your Juniper Switch RE is full, you should clean up the system file storage space on the switch.
What to do if the Juniper QFX5100-48S fan fails?
If a fan module fails in your Juniper switch, replace the fan module and report the failure to customer support.
How to fix a Juniper QFX5100-48S Switch PEM that is not powered?
If a PEM (power entry module) in your Juniper switch is not powered, check the power cord connection and reconnect it if necessary.
What to do if Management Ethernet 1 Link is down on Juniper Switch?
If the Management Ethernet 1 link is down on your Juniper switch, verify that a cable is properly connected to the management Ethernet interface and ensure that the cable is not defective. Replace the cable if needed.
What to do if FPC Management1 Ethernet Link is down on Juniper QFX5100-48S?
If the FPC Management1 Ethernet link is down, check if a cable is connected to the management Ethernet interface, or if the cable is defective. Replace the cable, if required.
What to do if Fan/Blower is absent in Juniper QFX5100-48S Switch?
If a fan module is absent in your Juniper switch, install fan modules in the empty slots.
General| Model | QFX5100-48S |
|---|---|
| Form Factor | 1U |
| Switching Capacity | 1.44 Tbps |
| Power Supply | AC or DC |
| Jumbo Frames | Up to 9216 bytes |
| Ports | 48x 10GbE SFP+ and 6x 40GbE QSFP+ |
| Operating Temperature | 0 to 40 °C |
| Operating Relative Humidity | 5% to 90% non-condensing |
| MAC Address Table Size | 288, 000 |
| Input Voltage | 100 to 240 VAC |
| Storage Temperature | -40 to 70 °C |
| Humidity | 5% to 95% non-condensing |
Guide on physically installing the QFX5100-48S switch into a four-post rack configuration.
Instructions for connecting the QFX5100-48S switch to AC power using provided cords.
Specifies the required serial console parameter values for initial switch configuration.
Details the steps to connect to the switch console and perform initial CLI configuration.
Provides a summary of safety warnings for installing and servicing the QFX5100-48S switch.
Specific warning regarding the use of the provided power cable for this product only.
Information and URL for obtaining technical support from Juniper Networks.
