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Known Limitations

Learn about known limitations in this release for vJunos-switch 23.2R1.

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

  • Has a single Routing Engine and single FPC architecture.

  • In-service software upgrade (ISSU) is not supported.

  • Attachment or detachment of interfaces when it is running is not supported.

  • SR-IOV for the vJunos-switch use cases and throughput is not supported.

  • Due to its nested architecture, the vJunos-switch cannot be used in any deployments that launch the instances from within a VM.

  • Supports a maximum bandwidth of 100 Mbps over all the interfaces.


    Bandwidth license is not required and we do not provide bandwidth licenses for vJunos-switch.

  • You cannot upgrade the Junos OS on a running system. Instead, you must deploy a new instance with the new software.

  • Multicast

  • VRRP

  • MC-LAG

  • IGMP

  • Port Mirroring

  • Storm Control

  • VXLAN seamless stitching for DCI

  • IPv6 Fabric Underlay and Overlay

  • Enhanced Loop Detection using CFM