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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.

General Routing

  • Traffic drop would be observed along with the error message Buffers are stuck on queue when performing the OIR in the 100G QSFP interface. PR1641572

  • Traffic is not restored when Layer 2 circuit configurations are deleted and added back on QFX5000. PR1666260

  • Minor packet drops due to hardware programming issues. PR1700927

  • Port-mirroring state remains down on Junos QFX5000 platforms. PR1705015

  • No alarm is raised when PSU is inserted with different airflow directions. PR1710952

  • The dcpfe process crash is seen on QFX5000 platforms due to stale vtep entry. PR1712175

  • QSFP-100G-LR4-T2 optics will stay down after ISSU/TISSU. PR1713010

  • The dot1x-protocol subsystem is not responding to management requests while verifying in show security mka sessions. PR1713881

  • Traffic null-route after reboot. PR1714701

  • IGMP/MLD queries might get dropped if received on a port on the backup VC member when IGMP/MLD snooping is enabled. PR1716902

  • Layer 2 Multicast traffic drops when PIM is configured without IGMP Snooping enabled. PR1720527

  • FPC crash on QFX5120-48Y. PR1721297

  • Error message is generated when DHCP packet is received through remote VTEP. PR1721318

  • Momentary traffic loss is observed when interface with local Type-2 ESI goes down. PR1722348

  • QFX10000 not bridging multicast traffic with TTL=1 on same VLAN. PR1723433

  • ECMP traffic is not being forwarded on all QFX10002 platforms after software upgrade. PR1723545

  • Traffic loss will be observed with VLAN tagging and/or VLAN normalisation in a specific design (using a looped cable). PR1724675

  • The error logs fpc0 expr_hostbound_packet_handler: Receive pe 254? would be generated. PR1725716

  • The class of service subsystem crashed after the device is restarted or the switchover is performed. PR1726124

  • Delete notifications for sub-interfaces missed in gRPC telemetry. PR1726205

  • On QFX5120-48y-8c platform 10G ports go down in a port group if 25G SFP is inserted in the same group. PR1726707

  • The EVPN-VXLAN proxy-arp will respond with the wrong MAC when no-mac-learning is configured PR1727119

  • Configuration load failure from event script fails on QFX5100-48S-6Q after upgrading to 21.4R3. PR1727834

  • On all Junos OS and Junos OS Evolved platforms the l2ald process memory usage is seen to increase over time. PR1727954

  • The tunnel remains down and traffic is impacted due to no validation of the tunnel forwarding route. PR1728305

  • QFX debugging command show aq107 xxx on VTY might generate an error on 10GBASE-T SFP if AQ index exceeds 48. PR1728452

  • The dcpfe process core observed after restarting the l2-learning process with flex-hashing configuration. PR1729101

  • Sflow sampling will not work on Junos OS based QFX10000 platforms. PR1729316

  • The fpc detaching logs will be seen when the VC port between different FPCs are flapped. PR1729647

  • Packets received on a port that is in LACP Detached state is getting forwarded. PR1730076

  • Traffic is impacted due to high CPU and dcpfe/fxpc crash (in some cases) in EVPN-VXLAN scenario. PR1730771

  • DCPFE/FXPC process crash could be observed on all Junos QFX5000 platforms with EVPN-VXLAN configuration. PR1731212

  • Traffic for VLAN-ID 2 gets dropped in Ethernet-CCC Layer 2 Circuit on QFX5000 platforms. PR1731291

  • Traffic drops when any of the VXLAN VLAN is deleted. PR1731583

  • QFX5000 : Error message 'LBCM-L2,pfe_bcm_stp_set_nostp_port_state(),X:handling for lag with no members[op x ifd aeX vid x]' is seen when changing config related to interface. PR1732217

  • SNMP polling Timeout due to OID 1.3.6.1.2.1.31.1.1.1.10.514 ( ifInOctets.514 ). PR1732708

  • On router reboot an interface in SP style blocks all packets on family inet/inet6 interfaces if VSTP is configured on VLAN-bridge encapsulated VLANs. PR1732718

  • QFX5120 reboots due to deletion of EP style interface with native VLAN configured. PR1733022

  • Traffic loss is seen when lacp force-up configuration statement is configured. PR1733543

  • Online SIBs will go down due to a faulty SIB that triggers spmbpfe crash. PR1734734

  • Packet drop is observed due to SIB ASIC issue on fabric. PR1734735

  • BFD session remains stuck in INIT state on certain QFX platforms. PR1736348

  • [timing] [ptp] QFX5120-48YM 1PPS Performance measurement test fails. PR1736385

  • Unexpected VLAN tagging behavior would be observed in the EVPN-VXLAN scenario. PR1736954

  • Link down due to FEC mismatch on Junos OS based QFX5000 platforms using 25G-LR optics. PR1738077

  • Null-route of l3-inject traffic on QFX10000 platforms. PR1738197

  • Traffic drop observed when encapsulation ethernet-bridge is configured on the aggregate Ethernet interface associated with VxLAN VLAN. PR1738205

  • High convergence time in the EVPN-VxLAN uplink failover scenario. PR1738276

  • Multicast will not work if one or more VLANs are removed from the interface having multicast configured. PR1738355

  • [QFX5/EX] Error message like BRCM-VIRTUAL,brcm_vxlan_port_discard_set(),13034:Failed to set bcm_port_discard_set to 0 for port (61) err(Invalid unit). PR1738404

  • An rpd crash will be observed due to inconsistency between rpd and kernel. PR1738820

  • DSCP classifier is not created on IP interfaces. PR1738981

  • Q-in-Q for access port to access port through VxLAN bridge-domain does not work on all Junos QFX5000 platforms. PR1739048

  • The ksyncd process crash would be seen on backup Routing Engine. PR1739258

  • QFX5120-48Y : The information of auto negotiation on SFP-T is not displayed. PR1739808

  • The loop-detect is not working in the VXLAN scenario. PR1740327

  • Traffic loss is seen due to anomalies after the recreation of IFLs. PR1740561

  • The traffic drop is observed due to the MAC source address being learned from the wrong direction. PR1741316

  • Enabling sflow triggers ddos-protection violation of protocol group resolve. PR1741461

  • SPMB process will crash and PICs will not come online. PR1742186

  • Traffic dropped is observed in the MPLS LDP scenario when the peer device MAC address is changing. PR1742364

  • Race condition where FLOOD ROUTE DEL event can cause l2ald crash. PR1742613

  • Traffic drop will be observed after extended-vni-list configuration change with EVPN-VXLAN scenario. PR1742763

  • QFX52XX: check loop detect fails after Restart L2ald. PR1743083

  • After ZTP process, the configuration fetch from the script path in event-options is impacted. PR1743222

  • GRE over IPv6 will not work resulting in traffic impact post-upgrading the device. PR1743978

  • BPDU Protection with packet-action drop support on QFX10002-60C. PR1745102

  • The clear error command support for qfx10002-60c. PR1746244

  • QFX10002-60c port et-0/0/30 part of a lag is dropping peer ARP reply after configuring a GRE tunnel. PR1746435

  • [QFX5000]When RSI(request support information) is executed in the VC configuration, some errors output. PR1746788

  • Due to timing issues, PFE/PICs will be slow and traffic will be impacted on all Junos OS platforms. PR1747077

  • [QFX] Under rare situations, 10GBASE-T SFP might be unable to make the peer end deivce linkdown. PR1747277

  • Alarm LED is lit due to LICENSE_EXPIRED on Virtual Chassis backup even with the valid license. PR1747720

  • Packet drop will be observed due to ARP resolution failure in EVPN-VXLAN scenario. PR1747878

  • Unable to install IPv6 routes in LPM table. PR1748462

  • Traffic drop will be observed when Label MPLS traffic egressing out on the IRB interface as IPV4. PR1748500

  • Deletion of duplicate MAC marked as BLOCKED MAC results in the l2ald crash. PR1748604

  • Traffic drop can be seen when 'port' match is used for filtering on QFX5000 platforms. PR1749214

  • L3VPN traffic destined for hosts learned over IRB/VXLAN will get dropped on QFX10000 platforms. PR1750468

  • The PFE process crashed while removing and applying the firewall filters. PR1750828

  • Incorrect egress MTU errors when larger than 1500 byte packets are sent on Layer 2 ports. PR1751700

  • Traffic loss is observed for IPV6 streams sent between EVPN-VxLAN-L3VPN tunnel on Junos QFX10000 platforms. PR1754254

  • QFX: VC(virtual chassis) does not get formed when using 100G for vc port. PR1754838

  • [QFX5120]Egress filter does not work properly on VLAN pop configuration. PR1754929

  • Layer 2 VXLAN and Layer 3 IPv4 Logical Interfaces are not getting configured on the same interface. PR1756407

  • Learning stops in logical interface in QFX10000 platforms. PR1756672

  • The dcpfe process crash will be seen when L2PT interfaces are configured with multiple protocols. PR1757329

  • The ARP entry is not completed without the l3-interface part of the VLAN with proxy-arp/arp-suppression. PR1757364

  • Multicast traffic drop observed when IGMP/MLD snooping is configured with IRB. PR1758659

  • Generate an empty file whose name is secondary_vlan when executing RSI. PR1759875

  • Traffic drop will be seen due to an incorrect VLAN tag. PR1760823

  • On Junos OS and Junos OS Evolved platforms the rpd crashed abnormally and later chassisd crashed as well. PR1761667

  • ECMP traffic drop after the aggregate Ethernet interface flap. PR1761887

  • LLDP neighborship will not be formed on all Junos OS devices. PR1763053

  • VPLAG information not installed correctly in hardware results in traffic flooding. PR1763116

  • BFD session detection time is higher than expected leading to traffic drop. PR1763667

  • LLDP neighborship is not forming in non-primary members. PR1764085

  • The telemetry stops streaming data when the jsd CPU utilization goes high. PR1765344

  • A warning message is seen while installing a license key with an unknown feature. PR1766515

  • An unnecessary traffic load on the peer boxes. PR1767190

  • Virtual chassis formation fails for VCP ports. PR1768554

  • Data center interconnect configuration addition needs to be non-catastrophic. PR1769086

  • Incorrect IFL value resulting in the PFE crash. PR1770678

  • Memory leak observed on non-local FPC for Junos QFX5000 platforms. PR1771183

  • Family ethernet-switching policer per-sub-unit interface breaks after dcpfe/device restarts. PR1771630

  • BFD over Service Provider Style configuration of bridge Interface fail. PR1771651

  • The PVST BPDU packet get dropped in transparent EVPN-VXLAN on the ingress PE-CE port of SP style on Junos QFX platforms. PR1771739

  • The IP packet of Layer 2 Unicast MAC and Layer 3 undirected broadcast IP (255.255.255.255) is dropped when sent over an IRB interface. PR1771879

  • Firewall filters will not work if IRB interface and layer 2 filter attached to BD is configured in SP style on QFX10000 platforms. PR1772126

  • The tagged traffic drop will be seen with vlan-id-list and native-vlan-id configured on one IFL. PR1773676

  • The dcpfe process crash due to stale memory. PR1774366

  • QFX: fails to ping IPv6 link local address in routing instance if there is a default route in the same. instance. PR1775394

  • The PVST (VSTP) UNTAGGED BPDU packet get dropped in transparent EVPN-VXLAN on the ingress PE-CE port of SP style on Junos QFX platforms. PR1775672

  • The fxpc process crash is seen on a specific QFX platforms except EX4300 due to memory leak after VTEP IFLs configuration and un-configuration. PR1777265

  • Traffic drop is observed when VIPs become unreachable due to GARP sent on VLANs to which the VIP does not belong. PR1778725

  • At the interface level, only half of the traffic is policed when applying a policer. PR1779527

  • On QFX10002-60c platforms, during system reboot and fpc reboot time, some non functional error logs are displayed. PR1779890

  • With EVPN-VXLAN configured, when a Layer 3 interface or underlay IRB interface deletion results in a traffic null route. PR1781691

  • Junos OS: Impact of Terrapin SSH Attack (CVE-2023-48795). PR1781732

  • A few aggregate Ethernet interfaces will drop traffic when a large number of AE interfaces are deleted and added back. PR1781955

  • MTU adjustment on Junos OD QFX5000 platforms with GRE Causes FPC and Link Partner FPC reboots. PR1782762

  • The fxpc process crash and the device reboots after deleting Aggregated Ethernet (AE) interface along with its associated physical interface and then applying new interface configuration on the associated physical interface in an EVPN-VXLAN scenario. PR1783397

  • Traffic loss after PIC restart if the packet has a VLAN tag of 4095. PR1788573

EVPN

  • BUM (Broadcast, Unknown Unicast, and Multicast) Traffic can be dropped in some instances. PR1727054

  • VLAN programming fails due to bridge domain change on QFX platforms. PR1739466

  • EVPN-VXLAN comp nh is not installed in PFE after peer reboot. PR1739686

  • After deactivating or activating GBP configuration in the MH AE scenario all tag entries not getting re-learned on leaf nodes in the ethernet-switching table resulting in traffic loss. PR1739878

  • ARP/FIB are added even if IRB in EVPN is disabled. PR1743529

  • IRB reachability issues may be observed in the EVPN-VXLAN environment when looped ARP comes on ESI-LAG. PR1743913

  • Traffic discarded on QFX5000 platforms in multi-homed EVPN-VXLAN scenario. PR1749759

  • Re-ARP is not sent before MAC entry expires in EVPN environment on Junos MX platforms. PR1751386

  • Traffic flooding for MAC addresses programming failure. PR1758677

  • Traffic is black-holed on QFX5000 platforms in EVPN-VXLAN scenario. PR1758783

  • Traffic loss for few seconds will be observed after restarting l2-learning process on Layer 3 VxLAN gateway. PR1777635

Interfaces and Chassis

  • Traffic impact will be seen with mismatched speeds on the LAG interface and member interface. PR1725168

  • High memory utilization is observed on all Junos OS platforms. PR1757801

  • Services using the management interface will be affected on all Junos OS platforms. PR1757936

Layer 2 Ethernet Services

  • DHCP binding is not happening in EVPN VXLAN topology with DHCP stateless relay (forward-only). PR1722082

  • The LAG with member interface enabled with 'force-up' can flap after switchover. PR1773827

MPLS

  • The rpd crash observed during Routing Engine switchover or Route Convergence. PR1747365

Platform and Infrastructure

  • The CoS rewrite rules will not be working in the EVPN with IRB scenario. PR1736890

  • In EVPN-MPLS/EVPN-VxLAN Multi-Home Active/Active scenario, random packet drops are observed. PR1772733

Routing Policy and Firewall Filters

  • Policy change to a rib-group import-policy configured with global routing-options interface-routes causes the rpd issue on all platforms with EVPN-VXLAN configuration. PR1744449

Routing Protocols

  • The mcscnoopd process will be stuck in resync state after snooping configuration is deleted and added again immediately. PR1699784

  • Junos OS: A crafted BGP UPDATE message allows a remote attacker to de-peer (reset) BGP sessions (CVE-2023-4481). PR1709837

  • RPD process crashes on all Junos OS and Junos OS Evolved platforms after adding static route to the VRF in some scenarios. PR1720240

  • Junos OS and Junos OS Evolved: A BGP session will flap upon receipt of a specific, optional transitive attribute (CVE-2023-0026). PR1739919

  • Memory leak observed when reconfiguring the flow routes. PR1742147

  • Route-distinguisher change leads to the route being present in rpd, but not installed in kernel/PFE. PR1746439

  • BGP multipath route is not correctly applied after changing the IGP metric. PR1754935