Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?


Known Limitations

Learn about known limitations in this release for EX Series switches.

For the most complete and latest information about known Junos OS defects, use the Juniper Networks online Junos Problem Report Search application.

General Routing

  • Once VXLAN is configured on an IFD, its always treated as VXLAN port even though Layer 2 VLAN exists.PR1570689

  • On EX4300-MP platforms, when the command request system software rollback is performed device is going down and dcpfe cores are dumping.PR1631640

  • Unified ISSU on EX4650 switches will not be supported if there is a change in the Cancun versions of the chipset SDKs between the releases. This is a product limitation as change in the Cancun firmware leads to the chip reset and hence ISSU is impacted. The Cancun versions in the chipset SDKs should be the same between two JUNOS OS releases for unified ISSU to work. PR1634695

  • VLAN xlate table will have more entries if the same VLAN is shared with access and trunk port. Users shall expect more xlate HW table entries with this config combination.PR1655101

  • On EX4100 devices, input pps, bps and byte counters are shown as 0 for some ports while traffic running without issues, interface stats cleared for 0-23 and not cleared for 24-47 after interface flap. Cosmetic issue with respect to display, no traffic drops and no functional impact.PR1657995