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Resolved Issues: 21.1R2

General Routing

  • Kernel crash might occur after NSSU while performing GRES. PR1533874

  • The dcpfe process might crash and cause FPC to restart due to the traffic burst. PR1534340

  • FPC(s) might not boot-up on MX960 and EX9214 in a certain condition. PR1545838

  • The dcpfe process might crash on QFX10000 platforms. PR1546572

  • The traffic will not be load-balanced properly in EVPN overlay-ecmp setup. PR1550020

  • The interface might not come up with 1G optics. PR1554098

  • The dcpfe process might crash and restart with a dcpfe core file created while running the Type5 EVPN-VXLAN with 2000 VLANs. PR1556561

  • In QFX platforms, Layer 3 static license is required though it is included in base license. PR1557631

  • The MAC addresses learned in a Virtual Chassis might fail due to aging out in the MAC scaling environment. PR1558128

  • The VCF might become not stable. PR1559172

  • The subscriber management infrastructure daemon (smid) process might be stuck at 100%. PR1559402

  • On the QFX5110 line of switches, the untagged traffic routed over native-vlan might be dropped. PR1560038

  • On the QFX5200 line of switches, the pseudorandom binary sequence (PRBS) test fails for 100GbE interfaces with the default settings. PR1560086

  • When configuring the static MAC and static ARP on the EVPN core aggregate interface, the underlay next-hop programming might not be updated in the Packet Forwarding Engine. PR1561084

  • The tunable optics SFP+-10G-T-DWDM-ZR does not work. PR1561181

  • Dcpfe process might crash on after committing EVPN-VXLAN profile configuration and ARP resolution might fail causing traffic issues. PR1561588

  • Junos OS, QFX5000 Series platform, traffic from the network internal to the device (128.0.0.0) might be forwarded to egress interfaces. (CVE-2021-31371) PR1561722

  • On QFX5000 platforms, the dcpfe process might crash after deleting VXLAN configuration. PR1562692

  • QFX5110-48s-4c :: ptp traffic-statistics are not as expected. PR1563876

  • On the QFX5100 Virtual Chassis, the following continuous message is observed: agentd-pfe-proxy_telemetry_publisher. PR1566528

  • On the QFX5100 line of switches, the following internal comment is displayed: Placeholder for QFX platform configuration. PR1567037

  • RPD core dump is observed at device reboot and/or daemon restart time. Daemon recovers and there is no service impact on routing protocol usage. PR1567043

  • On the QFX10002 line of switches, discrepancy in inet.1 versus Packet Forwarding Engine reports multicast routes. PR1567353

  • MAC addresses might not be relearned successfully after MAC address age timeout. PR1567723

  • The 100G port with module QSFP 100G-SR4-T2 converts to two channelized interfaces without any channelized configuration. PR1567937

  • Another port will also be shutdown after shutting down one port on QFX10002-60C. PR1568294

  • BFD flaps seen between leaf and core during spine reboot causing other protocols flap. PR1568615

  • On the QFX10000 line of switches, the firewall log is incorrectly populating from the Packet Forwarding Engine for IPv6 traffic. PR1569120

  • The dcpfe might crash if the TYPE-5 tunnel is failed to be installed for EVPN-VxLAN. PR1570136

  • Junos OS, QFX5100-96s platform, major alarm set, fan x does not spin. The fan logs are seen. PR1570587

  • PTP management message with SMTLV is sent only to the first port number to go active in the member multicast-mode l2-ifl. PR1571283

  • Unexpected packet loss might occur if you delete the subunit of the physical interface. PR1571286

  • The dcpfe crash is seen after running MC-LAG profile configuration. PR1571471

  • DCI traffic loss of 100% observed in transit spine devices. PR1572238

  • EVPN VXLAN CE interface with RSTP configured might cause LACP or BFD issues. PR1572504

  • On the QFX10008 chassis, the dcpfe process generates a core file. PR1572889

  • Traffic loss might be observed due to faulty FPC on QFX10008 and QFX10016 platforms. PR1574779

  • Port-mirroring might not work when the analyzer output is a trunk interface. PR1575129

  • On the QFX10000 line of switches, a high rate of 802.3X pause frames are sent out of the interfaces. PR1575280

  • BFD flaps might be seen occasionally during spine reboot. PR1575296

  • On QFX Series switches, upgrading to version 20.3 or later might report a warning: requires 'l3vpn' license message on commit when a VRF instance configuration exists. PR1575608

  • The dual-speed supported DAC cable (100G to 4x25G Splitter) might not come up on QFX5120-48Y. PR1576180

  • Analyzer is not working on all Junos QFX5000 platforms. PR1576327

  • On Junos OS QFX5000 Series, control traffic might be dropped if a high rate of specific multicast traffic is received (CVE-2021-31370). PR1576488

  • The OSPF session over IRB might not come up in the EVPN-VXLAN scenario. PR1577183

  • The WAN port links might not get brought down immediately during some abnormal type of linecard reboot on QFX10000 platforms. PR1577315

  • TACACS traffic might be dropped. PR1578579

  • The ISIS packet might be corrupted on the provider edge device over the layer 2 circuit tunnel. PR1580047

  • The dcpfe process crashes while checking the virtual tunnel-nh packet status. PR1580114

  • DHCP packets might be dropped if dynamic filter dyn-dhcpv4_v6_trap is applied on the interface. PR1580352

  • While mapping analyzers to the channelized port, mirror might not work properly. PR1580473

  • On the QFX5120-32C line of switches, the following error is observed: kern.ipc.maxpipekva exceeded; see tuning error. PR1581192

  • The switchover might be affected with the shared VXLAN tunnel. PR1581524

  • The traffic might not be load-balanced properly in an EVPN overlay-ecmp setup. PR1582017

  • Some 40G ports might not be channelized successfully on the QFX5100 platforms. PR1582105

  • On the QFX10000 line of switches, the firewall filter logs are incorrectly populated the protocol 8847 entries. PR1582780

  • Firewall filter not programmed after deleting a large filter and adding a new one in a single commit on QFX5000 platforms. PR1583440

  • The ZTP process might cause the black holing of the traffic. PR1585057

  • DHCP offer packets might be dropped on Spine device in VxLAN multi-homing setup. PR1585715

  • Inter and intra VNI traffic drop might occur in spine with EVPN-VxLAN CRB configuration. PR1586537

  • On Junos OS, an FPC heap memory leak will be triggered by certain Flowspec route operations which can lead to an FPC crash (CVE-2021-31367). PR1589133

  • 50% traffic loss might happen in EVPN-VxLAN scenario. PR1589547

  • When the deleted aggregated Ethernet interface is not getting deleted (mirror trunk group) in the hardware for the analyzer input aggregated Ethernet interface. PR1589579

  • LLDP packets drop on SP style interface for QFX devices. PR1589702

  • VXLAN DDoS violation might occur when disabling the port mirror analyzer output interface. PR1590150

  • VC primaryship changed and connection dropped after renumbering of backup member ID. PR1590358

  • On QFX5120-48T, after removing 1g speed on interfaces it won't come back as 10g. PR1591038

  • xSTP might not get configured when enabled on a interface with SP style configuration on all platforms. PR1592264

  • Routing Engine kernel might crash due to IFL of aggregated interface adding failure in Junos kernel. PR1592456

  • The IPv4 fragmented packets might be broken if PTP transparent clock is configured. PR1592463

  • MPLS traffic might get discarded on passive monitoring interface on QFX10002, QFX10008 and QFX10016 switches. PR1592693

  • Multiple crashes with toe_interrupt_errors might be observed. PR1593025

  • BFD session might flap during Routing Engine switchover. PR1593244

  • The dcpfe process might crash in EVPN-VxLAN scenario. PR1593950

  • Packet drop might occur in ECMP next-hop flap scenario. PR1594030

  • The existing ECMP route traffic might be dropped if configuring a static ECMP route with the same number of next-hops as the existing ECMP route. PR1594573

  • The re-installation of the type-5 tunnels might fail in the EVPN-VXLAN scenario. PR1595197

  • The fpc0 bcm pkt reinsert failed log written in the log messages in an aggressive way. PR1596643

  • Deletion of macsec configuration on an IFL is not taking effect. PR1597848

  • Sflow impacts on ICMP traffic on QFX5000 series platforms. PR1598239

  • The layer 3 traffic blackholing might be seen on QFX10002-60C devices with IRB interface. PR1599692

  • FPC down and dcpfe core dump migtht be seen in some cases. PR1602583

  • Traffic loss might be seen in MC-LAG scenario on QFX platforms. PR1602811

  • The dot1x authentication may not work on EVPN/xlan enabled endpoints. PR1603015

  • Duplicate packets might be seen during bringing up all the interfaces on the spine switch. PR1604393

  • 20.2R2-S2 QFX5000 MAC moves between ISL and MC-AE LAGs and flooding after upgrade and adding VLANs. PR1605234

  • Multicast streams might stop flooding in VXLAN setup. PR1606256

Class of Service (CoS)

  • Traffic might be dropped by destination device. PR1568333

  • Unable to configure policer with bandwidth-limit greater than 50g. PR1575049

  • The buffer allocation for VCP ports might not get released in Packet Forwarding Engine after physically moving the port location. PR1581187

  • The dscp classifier does not work and all packets are sent to a single queue. PR1585361

EVPN

  • global-mac-ip-table-aging-time changes from a high to low value might not take effect. PR1562925

  • The dev-longevity l2ald process generates the core file at l2ald_next_bd_member. PR1570757

  • Configuring static-mac and no-mac-learning simultaneously on the VXLAN interface causes stale MAC/IP entry in the EVPN database. PR1576147

  • After device reboot in EVPN-VXLAN setup with graceful restart, EVPN routes are not advertised to EVPN peers until rpd is up for 180 seconds. PR1586246

Interfaces and Chassis

  • MAC address entry issue might be observed after the MC-LAG interface. PR1562535

  • New added MC-LAGs do not come up after Routing Engine switchover. PR1583547

  • Removing the configuration from interface stanza might cause the dcpfe process to crash. PR1594356

Layer 2 Features

  • On the QFX5110-32Q switches, LACP does not come up in the non-oversubscribed mode for a set of ports. PR1563171

  • Traffic forwarding for VLAN 2 might not be correct when a VLAN member is removed from the ESI interface. PR1570446

  • The dcpfe crashes in the VxLAN scenario. PR1571170

  • The DF might not forward BUM traffic on QFX5000 series switches. PR1575976

  • MAC addresses learnt from the MC-LAG client device might keep flapping between the ICL interface and MC-AE interface after one child link in the MC-AE interface is disabled. PR1582473

  • Traffic drop might be seen on the aggregated Ethernet interface. PR1585320

Layer 2 Ethernet Services

  • DHCP packet drop might be observed when the DHCP relay is configured on a leaf device. PR1554992

  • The DHCP client will be offline for 120 seconds after sending the DHCPINFORM message in the DHCP relay scenario. PR1575740

  • DHCP relay drops packets during the renewal DHCP process. PR1576417

Network Management and Monitoring

  • Slow memory leak could be observed for snmpd process. PR1575790

Platform and Infrastructure

  • Ex3400 VC - Console access on backup VC member is not allowed. PR1530106

  • Junos OS: Upon receipt of specific sequences of genuine packets destined to the device the kernel will crash and restart (vmcore) (CVE-2021-0283, CVE-2021-0284). PR1557881

  • FPC might crash in a scaled-firewall configuration. PR1586817

Routing Policy and Firewall Filters

  • The rpd might crash when the deletion of routing table occurs. PR1565629

Routing Protocols

  • Traffic might be silently discarded when a BGP route that is part of multipath gets deleted. PR1514966

  • The BFD sessions over IRB interface stuck in Init state with FRR errors incrementing. PR1541851

  • The fxpc process might crash after flapping the related protocols in the ECMP scenario. PR1556224

  • The ppmd memory leak might cause traffic loss. PR1561850

  • There might be traffic loss when GRE interface flaps on QFX platforms. PR1566428

  • On QFX5000 platforms memory leak might be observed. PR1566483

  • The untagged packets might not work on EX Series platforms. PR1568533

  • Memory leak might happen in MSDP scenario. PR1571906

  • The GRE egress traffic might not be forwarded between the different routing instances. PR1573411

  • The QFX5000 line of switches might drop the DHCP packets in the static VXLAN scenario. PR1576168

  • Multicast Packets with TTL=1 are dropped on VXLAN enabled interface when igmp-snooping/MLD-snooping is enabled. PR1576775

  • Traffic loss might be observed in the EVPN-VxLAN scenario on QFX5000 platforms. PR1580005

  • BGP session carrying VPNv4 prefix with IPv6 next-hop might be dropped. PR1580578

  • The dcpfe process might crash when any interface flaps. PR1579736

  • Traffic loss might be seen when ipv6 traffic forwarded by ipv4 GRE tunnel. PR1582408

  • With IGMP snooping implemented, there is unexpected jitter issue that could cause traffic loss. PR1583207

  • The rpd process might crash after committing with the configured static group 224.0.0.0. PR1586631

  • BGP Egress-TE routes lose to BGP routes using the same protocol-preference. PR1593332