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Known Limitations

Learn about known limitations in Junos OS Release 21.4R1 for vSRX Virtual Firewall.

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

General Routing

  • There is maximum limit on number of vlans that can be configured per VF for i40e driver. The number is 8. The maximum VLAN supported per VF is 63 VLANs in SR-IOV trust mode. PR1610282

  • When multiple vlan-tagging sub-interfaces are configured and switching vSRX3.0 between vlan-tagging and flexible-vlan-tagging support mode, traffic will stop and must reboot vSRX3.0 to recover, if trust mode is disabled for the virtual functions. PR1610287