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Resolved Issues

Learn about the issues fixed in this release for QFX Series Switches.

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

Chassis Clustering

  • GTP control packets might be incorrectly dropped/passed if there is more than one APN IMSI filter configured. PR1673879


  • The kernel crash would be observed in an EVPN multi-homed scenario. PR1649234

  • BUM traffic might be blackholed for ESI configured CE interface flap. PR1669811

  • The ARP/ND entries are not relearnt as expected on the spine with EVPN-VXLAN. PR1677521

Interfaces and Chassis

Layer 2 Ethernet Services

  • The DHCP unicast acknowledge packet might be dropped. PR1676573


  • Traffic loss will be seen in an LDP->BGP-LU stitching scenario. PR1670334

  • The rpd crashes very rarely when constructing LDP trace message irrespective of enable/disable LDP traceoptions. PR1676503

Platform and Infrastructure

  • On QFX devices, traffic gets silently discarded after interface flaps. PR1645488

  • Traffic loss occurs with Virtual-Router. PR1650335

  • The MAC address from the local CE might not be learned due to the VLAN programming issue. PR1651827

  • The interface might not come up on EX platforms PR1656540

  • FEC link goes down after disabling or enabling the interface. PR1657534

  • TOS (DSCP+ECN) bits does not get copied from the inner Layer 3 header to the outer VXLAN header. PR1658142

  • The BFD session session-state shows DOWN while checking the Micro BFD sessions with authentication in the Non-Distributed mode. PR1658317

  • The multipath route might be missing when you configure multipath. PR1659255

  • On QFX10000 devices, configuration of IGMP group range might result in traffic loss. PR1659732

  • MACsec session configured over IFD might be down when you enable or disable an IFL configured on IFD. PR1660070

  • On QFX10008 and QFX10016 devices, the spmb0 Cell drops on sib 'x' pf 'x' error message gets generated without generating any alarms. PR1660699

  • BUM traffic might loop post when you add or remove a EVPN-VXLAN FRR configuration. PR1662515

  • On QFX5100 and QFX5110 devices, IPv6 ND packets might be dropped. PR1662707

  • IS-IS adjacency does not come up through the Layer 2 domain. PR1663134

  • Verification of the status for BFD session is in the Up state while checking the BFD session. PR1663790

  • Type-5 traffic drops when you configure the device without IRB in the EVPN-VxLAN scenario. PR1663804

  • On QFX5000 devices, dulpicate packets might occur in the multihomed scenario in an EVPN-VxLAN fabric when unicast ARP packets are received. PR1665306

  • Static MACs are not programmed after reboot, resulting in floods of unicast traffic. PR1666399

  • PVLAN IGMP packet is forwarded between Isolated ports and also duplicated to primary VLAN port (Promiscous). PR1667069

  • Multihop BFD sessions might remain down in inline mode. PR1667751

  • Shaping-rate does not take 20 bytes of overhead into account. PR1667879

  • On specific QFX5000 devices, member links might reduce their configured speed when the other side does not have auto-negotiation disabled. PR1669436

  • FPC1 gets disconnected after ISSU and before switchover while checking ISSU status. PR1669702

  • The dcpfe process might generate core files and FPC might crash after line card reboot or switchover. PR1670240

  • Packet drops after flapping or changing a passive monitor interface. PR1671449

  • Flow sample packet does not get sent to the collector when the destination is an ECMP path. PR1672121

  • The BFD packets drop in an EVPN-VXLAN scenario due to incorrect Layer 3 offset being set in the host path. PR1674116

  • VLAN translation mapping gets deleted when one of the member interface removed from LAG. PR1676772

  • Interfaces with QFX-10000-30C and QFX10000-30C-M line cards will not work properly. PR1677325

  • Traffic drops if an IP packet with TTL=1 is routed over VXLAN Tunnel. PR1678992

  • Firewall functions do not work as expected when you configure egress firewall filter. PR1679574

  • On QFX5120 Virtual Chassis, ARP resolution fails. PR1679684

  • In distributed mode, BFD sessions remains down in the EVPN-VXLAN scenario. PR1680757

  • The PFE process crashes from 21.4R1 version onwards on VMhost platforms. PR1681532

  • LLDP neighborship fails to come up with a Private VLAN configuration. PR1681614

  • dcpfe core seen with PTP configuration on Junos platforms supporting boundary clock. PR1683308

  • Licenses on the device might become invalid when the device is upgraded from a legacy licensing-based release to an Agile licensing-based release. PR1684842

  • OVSDB certificate files are not copied from the Master to the Backup. PR1687847

  • ARP resolution to the IRB interface would get fail in the EVPN-VXLAN scenario. PR1687861

  • On QFX10008/QFX10016 platforms fails to detect flaps even though the remote device connected has observed flaps. PR1688993

  • [Blocker:Test] ULTIMAT[QFX10008]: While verifying "show ethernet-switching global-mac-count | display xml" command "global-mac-count" is not as expected. PR1689127

Routing Protocols

  • Ipv6 Inline BFD sessions are down when neighbor is not resolved. PR1650677

  • Routing Process Daemon (rpd) crashes and restarts when a specific timing condition is hit with BGP configuration. PR1659441

  • Packets getting dropped on the Server leaf in EVPN-VXLAN with OISM. PR1665791

  • MCSNOOPD will be restarted and will again learn the states after core. PR1672488

  • Traffic drops due to the generation of the FPC core, which makes the system unstable. PR1678016

  • The peer-auto-discovery for BGP doesn't work after soft detach/attach of QSFP. PR1679950

User Interface and Configuration

  • "gethostbyname: Host name lookup failure" is displayed during commit. PR1673176


  • On QFX10000 devices NGMVPN scenario, Auto-RP goes down after some time. PR1617620