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Resolved Issues: 21.1R1


  • All the ARP reply packets toward some address are flooded across the entire fabric. PR1535515

  • EVPN-VXLAN registers MAC-move counters under system statistics bridge even though there is no actual MAC move for the multihomed clients. PR1538117

  • The l2ald process might generate a core file when changing the EVPN-VXLAN configuration. PR1541904

  • The l2ald deamon might crash when forwarding-options evpn-vxlan shared-tunnels is configured. PR1548502

  • The l2ald process generates a core file at l2ald_iff_rtm_delete_subintf_ifbds during dci fusion run. PR1550109

  • QFX10002 :: mac-vrf: QFX10k l2ald core: l2ald_vxlan_ifl_create_event_handler at /src/junos/usr.sbin/l2ald/platform/junos/l2ald_rtsock_vxlan.c:477 PR1560068

  • [evpn_vxlan]: evpn vxlan mac-ip aging testcase failed. PR1562925

  • l2ald process generates a core file at vlogging_event, l2ald_vxlan_ifl_create_event_handler, l2ald_vxlan_ifl_event_handler, l2ald_process_event. PR1576558

Forwarding and Sampling

  • The l2ald process might crash due to a next-hop issue in the EVPN-MPLS. PR1548124

  • Configuration archive transfer-on-commit fails on Junos OS Release 18.2R3-S6.5. PR1563641

General Routing

  • Port qualifier is not supported for QFX5000 platforms. PR1440980

  • On the QFX5000 line of switches, the egress ACL filter entries is only 512 in Junos OS Release 19.4R1. PR1472206

  • On the QFX10000 device, the chassisd process might generate core files on the backup Routing Engine after commit for 200 seconds due to the following error message: CHASSISD_MAIN_THREAD_STALLED. PR1481143

  • On the QFX5000 line of switches, multicast traffic loss is observed due to a few missing multicast routes in the spine node. PR1510794

  • The DHCP traffic might not be forwarded correctly when DHCP sends unicast packets. PR1512175

  • Channelized interfaces might fail to come up. PR1512203

  • The output of the show chassis forwarding-options command displays incorrect display issue, Virtual Chassis environment, and configured num-65-127-prefix values. PR1512712

  • On the QFX5100 device, the cprod process timeout triggers high CPU utilization. PR1520956

  • Output interface index in the sFlow packet is zero when transit traffic is observed on the IRB interface with VRRP enabled. PR1521732

  • Some inter-VLAN traffic flows do not converge after rebooting a spine (QFX10002) device in an EVPN-VXLAN non-collapsed scaled scenario. PR1522585

  • Traffic loss might be observed on interfaces in a VXLAN environment. PR1524955

  • Channelizing the 40GbE port to a 10GbE port might bring down another interface on the QFX10000 platforms. PR1527814

  • When a multicast feed is received with TTL 1 on QFX10002 line of switches. There will be 2 copies of the packet sent to the host - one from the normal flow and another from the multicast module. These packets are logged in the firewall log incorrectly. PR1533814

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

  • High rate of ARP or NS packets might be observed between a device that runs Junos OS and the host when the device that runs Junos OS receives an ARP or NS packet on an interface in transition. PR1534796

  • The following Packet Forwarding Engine error message is observed in the BRCM-VIRTUAL: brcm_virtual_tunnel_port_create() ,489: Failed NW vxlan port token(45) hw-id(7026) status(Entry not found). PR1535555

  • The interfaces on QFX5100-48T switch might stay up when the peer device is rebooting PR1538071

  • On the QFX5100-48T, interfaces are not created after a channel speed of 10 Gbps is applied on ports 48 through 53. PR1538340

  • The BFD sessions might not come up in an VXLAN scenario. PR1538600

  • Management Ethernet link down alarm is seen while verifying system alarms in a Virtual Chassis setup. PR1538674

  • ARP request may be dropped in leaf node in an EVPN-VXLAN scenario. PR1539278

  • The rpd memory leak might be observed on the backup Routing Engine due to link flaps PR1539601

  • Unable to take RSI properly due to the authentication error. PR1539654

  • FPC might not be recognized after power cycle (hard reboot) PR1540107

  • Traffic loss might be seen in the OVSDB VXLAN scenario. PR1540208

  • The Packet Forwarding Engine might crash in MPLS IPv6-tunneling scenario when the next hop changes. PR1540793

  • On the QFX5100 Virtual Chassis, the End Segment Not Present message is not reported for the ping overlay function with the local host MAC. PR1542226

  • On the QFX5000 device running EVPN-VXLAN, the following Packet Forwarding Engine error message might be seen: bd_platform_irb_ifl_attach_detach: platform specific irb ifl attach/detach failed (-1). PR1543812

  • On the QFX10002-60C device, the show pfe filter command is unavailable. PR1545019

  • The chip on FPC linecard might crash during the system booting. PR1545455

  • OSPFv3 session may keep flapping and OSPFv3 hellos might be dropped in the host path. PR1547032

  • On a QFX10000 device, traffic might get dropped when the set routing-options forwarding-table no-ecmp-fast-reroute configuration is changed to 128 ECMP entries. PR1547457

  • On the QFX5100 Virtual Chassis, the backup Routing Engines clear the reporting alarm for a PEM failure intermittently for a missing power source. PR1548079

  • The VXLAN encapsulated packet might be sent on the network port with an incorrect inner VLAN ID 4095. PR1548218

  • The 40GbE interface might be channelized after restarting the Virtual Chassis member. PR1548267

  • The Neighbor Solicitation might be dropped from the peer device. PR1550632

  • The interface filter with source-port 0 matches everything instead of port 0. PR1551305

  • On the QFX5110 and QFX5120 devices, the DHCPv6 traffic received over the VTEP might not be forwarded. PR1551710

  • On the QFX5000 devices, ARP resolution might fail. PR1552671

  • The action-shutdown configuration of storm control does not work for ARP broadcast packets. PR1552815

  • Traffic might not passed due to the addition of the VLAN tag 2 while passing through the Virtual Chassis port. PR1555835

  • Traffic might be dropped when a firewall filter rule uses the then VLAN action. PR1556198

  • The dcpfe process crashes and a core file is generated on QFX10002-60C while running Type 5 EVPN_VXLAN configuration with 2000 VLANs. PR1556561

  • DHCP Discover packets are not getting flooded with VXLAN configuration. PR1557049

  • Traffic storm might be caused by the analyzer due to link flapping. PR1557274

  • Firewall filter might fail to work on QFX5000 platforms. PR1558320

  • On the QFX5120 device, amber LEDs are displayed for the fan modules after upgrading to Junos OS Release 20.2R1. PR1558407

  • Pseudo Random Binary Sequence (PRBS) test on QFX5200 platform fails for 100GbE interfaces with default settings. PR1560086

  • There are a few instances of IPv6 ARP ND failure after loading the base configurations. PR1560161

  • When configuring 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

  • PTP boundary clock with G.8275.2.enh profile_2 512 clients does not come up. PR1561348

  • PTP lock status gets stuck at the Acquiring state instead of the Phase Aligned state. PR1561372

  • Firewall filters might not be working after ISSU. PR1561690

  • On QFX10000 platforms, the dcpfe process might crash during configuration changes. PR1561746

  • Traffic loss might happen in a large-scaled EVPN scenario when the next-hop type changes between Discard and Unicast. PR1562425

  • Port mirroring might not work as expected on QFX5000 platforms. PR1562607

  • Due to a failure in an FPGA image load, the PTP BC/OC application fails to send and receive packets properly, resulting in full failure of the PTP BC/OC operation. PR1563876

  • Output of the show chassis fpc ether-types command includes the FPC slot number. PR1564496

  • QFX10K: Firewall log incorrectly populating from PFE for IPv6 traffic. PR1569120

  • QFX10002:OpenConfig to Junos OS configuration translation has failed while translating interface-mode trunk and vlan members. PR1580292

Interfaces and Chassis

  • The logical interface might flap after the addition or deletion of the native VLAN configuration. PR1539991

  • MAC address entry issue might be seen after MC-LAG interface failover or failback. PR1562535

Layer 2 Ethernet Services

  • DHCP packet drop may be seen when DHCP relay is configured on the leaf device. PR1554992

Layer 2 Features

  • Check traffic with VXLAN encapsulation header fails.PR1541316

  • Traffic may be forwarded incorrectly on an interface having VXLAN enabled and "hold-time up xxx" statement configured. PR1550918

  • On QFX5000 and EX4600 platforms, memory leak might happen when the physical interface is continuously attaching and detaching. The dcpfe might crash if the device is running out of memory. Traffic loss might be seen during the dcpfe crash and restart. PR1543169

  • On EX4650-48Y and QFX5120 platforms, packets with VLAN ID 0 are dropped. PR1566850

Routing Policy and Firewall Filters

  • The policy configuration might be mismatched between the rpd and mgd process when deactivate policy-options prefix-list is involved in the configuration sequence. PR1523891

Routing Protocols

  • On the QFX5100-48T-6Q Virtual Chassis or Virtual Chassis fabric, the following error message is observed while copying the image to the Virtual Chassis fabric member and trying to downgrade the image: rcp for member 14, failed. PR1486632

  • The IPv6 traffic might be silently dropped due to null-route filtering when falling back from IP-in-IP tunnel to inet.0/inet6.0. PR1508631

  • Traffic might be silently discarded when the clear bgp neighbor all command is executed on a router and also on the corresponding route reflector in succession. PR1514966

  • The OSPF neighborship gets stuck in the Start state after configuring the EVPN-VXLAN. PR1519244

  • DCPFE crash might be observed while updating VRF for multicast routes during IRB uninit. PR1546745

  • [pfe] [generic] : qfx5100-24q-2p :: fxpc core in brcm_nh_unilist.c:2162 during stress test PR1556224

  • BGP-LU session flap might be seen with AIGP used scenario. PR1558102

  • On the QFX5110-32Q device, the following syslog error message is observed after loading the NC T5 EVPN-VXLAN configuration: BCM-L2,pfe_bcm_l2_sp_bridge_port_tpid_set() Config TPID New/Old (8100:8100) Other-Tpid's ba49, 4aa0, 80f. PR1558189

  • Layer 3 inter pod IPv4 traffic issue observed after loading non-collapsed Type 5 EVPN-VXLN configuration. PR1560173

  • On the QFX5110 platform, ARP resolution may fail if "native-vlan-id" is configured on the VXLAN interface. PR1563569

  • The dcpfe process might crash when the size of the Local Bias Filter Bitmap string exceeds 256 characters. PR1568159

  • On the QFX5210-64C device, ping does not work while verifying the native VLAN behavior on the Q-in-Q interface. PR1568533

User Interface and Configuration

  • set chassis fpc 0 ether-type applicable only for ether index 6 to 27. PR1565695

Virtual Chassis

  • On the QFX5000 Virtual Chassis, the DDoS violations that occur on the backup are not reported to the Routing Engine. PR1490552