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  • Hi Noemi, Version 21.4R3.15 is only recalled for the QFX5110 and QFX5120, iirc it is not fully recalled for all platforms. For MX, EX, SRX etc 21.4R3.15 is no problem, though I am not sure about QFX5100. The KB article only lists 5110, but 5120 is definitely ...

  • You can test the physical port by using a fiber loop from the transmit to receive on the optic then running some loopback tests per this document. If the test work then the local port in/out is working correctly and the issue is with the pair link communication ...

  • Hello, There is a weird issue with one of our switch 10G links. The traffic which was 1:1 bidirectional suddenly become unidirectional. Traffic was around 3G In and out but now it is only inbound 3G. Tried to bounce the port but does not help. In ...

  • We've had success (although only for a brief period of a few months) with 21.4R2-S1.4 on ex4300s. However we were forced to upgrade to 21.4R3-S2.4 on ex4600s by a serious bug in 21.4R2 for the EX4600s that consistently causes random AE interfaces to ...

  • Hello Steve! Yes. I finally followed the advice as mentioned by you and other colleagues in this forum, and executed from a bootable USB. Everything ran smoothly and the process took no longer than 10 minutes. Thanks! Rogelio

  • The standard upgrade will not be supported and likely cause issues. Create a bootable usb with snapshot Boot from this usb run the install with media format from the usb as a clean install ------------------------------ Steve Puluka BSEET - Juniper ...

    1 person recommends this.
  • Trying to upgrade EX3400s and QFX5100s. The JTAC-recommended version is 21.4R3 . However, 21.4R3.15 has been recalled . JTAC says to use 21.4R3. 16, but .16 is not available for download . (there is a .16 for QFX5100 5e , but we don't ...


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