Open Issues

When the fast-lookup-filter statement is configured with a match that is not supported in the FLT hardware, traffic might be lost. PR1573350

USB AUX console is not working on EX4100 box. PR1616315

Kernel might crash when the system is in the process of coming up after reboot (and observed only with multiple iterations of continuous reboot cyles). This is observed only during init sequence of mgmt driver and the impact is limited to increased system boot time. PR1642287

When EX Series (applicable platforms: EX2200, EX3300, EX4200, EX4500, EX4550, EX6200, EX8200, and XRE200) is configured with STP and NSB (non-stop bridging), the interface flapping ( link up/down events) might cause eswd memory leak. PR1287184

A minor memory leak is seen in the event-daemon process when multiple GRES switchovers are performed.PR1602536

When the DHCP relay mode is configured as no-snoop, the offer might get dropped due to incorrect asic programming. This issue occurs only while running DHCP relay in an EVPN/VXLAN environment. PR1530160

EX4400-48MP - VM generates core files and Virtual Chassis split might be observed with multicast scale scenario. PR1614145

Firewall: End to End Traffic Validation Fails before applying filter on interface. PR1634347

When VLAN is added as an action for changing the VLAN in both ingress and egress filters, the filter is not installed. PR1362609

When running the show pfe filter hw filter-name <filter name> command, the command fails to retrieve the Packet Forwarding Engine programming details of the filter. PR1495712

A delay of 35 seconds is added in reboot time in Junos OS Release 20.2R1 compared to Junos OS Release 19.4R2. PR1514364

During Routing Engine switchover, interface flap might be seen along with Scheduler slippage. PR1541772

Pause frames counters are not getting incremented when pause frames are sent. PR1580560

On EX4400 family of devices, sometimes login prompt is not shown after the login session ends. PR1582754

After NSSU upgrade OSPF and OSPF3 adjacencies are flapped and stream outage is higher than the expected value. PR1590434

Due to an Improper Initialization vulnerability in Juniper Networks Junos OS on EX4650 devices, packets received on the management interface (em0) but not destined to the device, might be improperly forwarded to an egress interface, instead of being discarded. Refer to https://kb.juniper.net/JSA69494 for more information.PR1628754

Interface might go flapping occasionally on EX4500 or EX4550 with SFP-T module without connecting a cable. PR1659762

On Junos EX/NFX/QFX platforms, stale MAC addresses entry is not getting removed for RTG (Redundant trunk groups) interfaces. PR1664955