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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

Class of Service (CoS)

  • The congestion details will be lost as ECN bits in DSCP are cleared after VXLAN decapsulation. PR1683438

EVPN

  • EVPN-VXLAN : after modifying ESI number, the old ESI number is still seen on peer devices. PR1617068

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

  • EVPN DF election will get stuck in the incorrect state. PR1662954

  • 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

General Routing

  • On the QFX5120-48Y device, the filter action to change VLAN does not work. PR1362609

  • Traffic loss might be observed on EX4650-48Y and QFX5120-48Y switches when there is a link flap. PR1634495

  • em0 interface ppeed is reflecting as 10G instead of 1G. PR1636668

  • Multicast traffic received on the INET interface might be dropped. PR1636842

  • On Junos OS QFX Series platforms, traffic might silently get droppec after interface flaps. PR1645488

  • The local-minimum-links feature not working as expected on QFX5100 Virtual Chassis platforms. PR1649637

  • Traffic loss is seen with the virtual-router. PR1650335

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

  • The interface might not come up on EX Series platforms. PR1656540

  • FEC link is down after disabling and then enabling interface. PR1657534

  • TOS(DSCP+ECN) bits not getting copied from the Inner L3 header to outer VXLAN header. PR1658142

  • BFD session session-state is showing DOWN while checking micro BFD sessions with authentication in Non-Distributed Mode. PR1658317

  • Traffic loss might be seen when a VxLAN port is recovering from a failure PR1659533

  • On QFX10K Junos platforms configuration of IGMP group range might result in traffic loss. PR1659732

  • MACsec session configured over physical interface might be down when a logical interface configured on physical interface is disabled or deactivated. PR1660070

  • OSPF flow check function violating RFC6864. PR1660369

  • The port LEDs do not light up when 40G physical interfaces are up. PR1660532

  • spmb0 Cell drops on sib 'x' pf 'x' errors seen in QFX10008/QFX10016 platforms without generating any alarms PR1660699

  • High CPU utilization is observed with the Buffer Monitoring Feature on QFX5K platforms. PR1660750

  • CoS might not get applied on VC ports PR1660787

  • The dc-pfe process crash is observed with PTP Transparent clock on QFX platforms PR1661602

  • BUM traffic might loop post adding/removing EVPN-VXLAN FRR configuration PR1662515

  • IPv6 ND packets might be dropped in QFX5100 and QFX5110 platforms PR1662707

  • L2 Multicast traffic loss observed on EX4400 Virtual Chassis platform. PR1663102

  • IS-IS adjacency is not coming up through the Layer 2 domain PR1663134

  • Verification of stats for BFD session is "UP" while checking BFD session PR1663790

  • ALB stats not showing in CLI PR1663881

  • The DHCP offer packets will not be sent to the clients when the DHCP relay agent is configured over Type-5 EVPN PR1664656

  • On QFX5K series platforms, duplicate packets might be seen 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 is not taking 20bytes of overhead into account. PR1667879

  • PFE crash upon receipt of specific genuine packets when sFlow is enabled (CVE-2023-22399). PR1668330

  • Type-5 routes might not get programmed in PFE when the number of active interfaces and Vlan configured is high. PR1668352

  • Route table and multicast add/change requests are got queued in the KRT queue post deleting EVPN enabled configuration followed by the rpd restart PR1669161

  • On specific QFX5k platforms, member links may reduce their configured speed when the other side doesn't have auto-negotiation disabled. PR1669436

  • FPC1 is getting disconnected after ISSU and before switchover while checking ISSU status PR1669702

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

  • EVPN multicast traffic may get impacted because of routes getting stuck in the kernel routing table (krt) queue PR1670435

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

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

  • QFX5120-48YM :: QFX-EVPN_VXLAN: ECN bits not getting copied to vxlan tunnel header at the encap node PR1672308

  • The BFD packets will drop in an EVPN-VxLAN scenario due to incorrect layer3 offset being set in the host path PR1674116

  • The traffic doesn't re-route quickly causing traffic blackholing PR1676740

  • 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

  • Firewall functions will not work as expected when egress firewall filter is configured PR1679574

  • ARP resolution will fail on QFX5120 VC PR1679684

  • BFD sessions will remain 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

  • The dcpfe crash seen with PTP configuration on Junos platforms supporting boundary clock PR1683308

  • Traffic loss is seen when MAC flaps between the MC-AE interface and the ICL interface. PR1683771

  • 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

  • The protocol MTU for the IRB interface is not rolled back when the MTU of the IRB or IFD interfaces is modified or deleted PR1685406

  • Traffic statistics verification fails as receiving packet count exceeds specified limit in evpn vxlan multicast scenario PR1685467

  • Traffic via the ICL link to MC-AE peer box gets looped back to the VTEP tunnel on QFX5000 platforms. PR1687024

  • QFX5120 will drop ingress traffic on an l2circuit configured interface on continuous flapping. PR1687257

  • VxLAN configured on access port breaks L2 connectivity with "vxlan encapsulate-inner-vlan" knob PR1687565

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

  • ARP resolution to the CE port having EP style AE with multiple VLANs would get fail in the EVPN-VXLAN scenario PR1687861

  • The LLDP output packets are not transmitting on the em0 interface of Junos and Junos OS Evolved platforms PR1688023

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

  • While verifying "show ethernet-switching global-mac-count | display xml" command "global-mac-count" is not as expected. PR1689127

  • Packet Loss seen on the EVPN-VXLAN spine router router PR1691029

  • Traffic loss is observed when the ECMP path is IRB over AE (IPv4->MPLS) PR1693424

  • BMP EOR is sent with wrong peer address causing BMP failure PR1695320

  • After upgrading to Junos OS Release 20.4R3-S5.3, the dcpfe core file generates and the device becomes unstable. PR1695943

  • QFX 5130 as ARR has bfd sessions stuck in init state with BL( QFX 5120) and AR-LEAF ( QFX 5120) PR1696113

  • Traffic drop is observed after deleting or deactivating the logical interface. PR1697827

Interfaces and Chassis

Layer 2 Ethernet Services

  • The DHCP unicast acknowledge packet might be dropped. PR1676573

MPLS

  • 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

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

  • High CPU will be seen due to frequent triggering of SPF for ISIS PR1667575

  • 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

  • BGP auto-discovery sessions does not work any more after an interface flap PR1679950

  • Traffic loss is seen when the router in helper mode deletes the route for the router undergoing graceful restart PR1682506

User Interface and Configuration

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