Resolved Issues: 21.2R3
Class of Service (CoS)
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Transit packets from local to remote VTEP might get punted to CPU and cause DDoS events. PR1489233
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The dcpfe core files might be seen in auto-channelization scenario or when SFP is plugged out. PR1616847
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The uplink interface remains down for a longer duration due to VXLAN scaled configuration. PR1631448
EVPN
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A few ARP/ND/MAC entries for Vlans are missing with MAC-VRF configuration. PR1609322
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IRB proxy-arp unrestricted might not work if EVPN/l2alm proxy is enabled. PR1613201
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Multiple memory leaks might be seen leading to process rpd crash. PR1626416
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The MAC address might not be visible in the EVPN/VXLAN environment. PR1645591
General Routing
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Memory usage continuously increase is observed on backup chassis if subscriber service is enabled. PR1595238
High Availability (HA) and Resiliency
Infrastructure
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The alarm "Host 0 Active Disk Usage Exceeded" might be generated due to a large number of files under /var/log/journal which were held by the Eventd daemon. PR1601251
Layer 2 Ethernet Services
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Enabling DHCP on Junos and Junos Evo platforms might cause the router's file system storage to get filled up with log files. PR1617695
MPLS
Platform and Infrastructure
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IPv6 link-local traffic is getting classified to firewall host this may affect communication on IPv6 link-local addresses. PR1600085
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The packet drop might be seen on FPC on Trio based platforms. PR1631313
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On the QFX5110 line of switches, the untagged traffic routed over native-vlan might be dropped. PR1560038
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Multiple entries to vlan-id-list might not work in an EVPN-VXLAN scenario. PR1564403
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The na-grpcd process might crash during longevity tests. PR1565255
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MAC addresses might not be relearned successfully after MAC address age timeout. PR1567723
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QFX10K2-60C: Disk missing alarms are not seen. PR1573139
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When soft loopback port and analyzer configurations are committed together, Mirror ingress to local port is not working . PR1581542
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QFX5000 series -
show route detail
might not show Next-hop type IPoIP Chained comp nh in the output (Display only - no operation impact) PR1584322 -
The QFX5000/10000 device might get hanged after reboot for sometime. PR1584902
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High FPC CPU utilization might be seen on PTX10002-60C/QFX10002-60C platform. PR1585728
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The syslog ERROR message might be seen when deactivating Bridge domains/VLANs. PR1589138
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QFX5210-64C - PSU jfirmware upgrade through Junos. PR1589572
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The DCI InterVNI and IntraVNI traffic might be dropped silently in gateway node due to the tagged underlay interfaces. PR1596462
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The l2alm fails to send IPC message to the l2ald which might cause the FPC to crash. PR1596615
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Error message
error: syntax error: request-package-validate
will be seen on device CLI output during non stop software upgrade. PR1596955 -
The interface on SFP-T or SFP-SX might stop forwarding traffic on EX4600. PR1598805
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EVPN-VXLAN:QFX10008: RE1 went to DB prompt when tried loading profile configurations over LRM configurations. PR1598814
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The SFP-T port might stop forwarding traffic on EX4600 platforms. PR1600291
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The VCP might not form adjacency after rebooting the master FPC in Virtual Chassis scenario. PR1600398
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QFX5200: Observed dcpfe core files while testing unified ISSU from Junos OS Release 21.1R1.11 to Release 21.2R1.7. PR1600807
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Removing and adding Virtual Chassis ports might cause the FPC to reboot. PR1601557
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InterDC traffic loss might be seen in MAC-VRF EVI with trap stats "dlu.ucode.discard ." PR1601961
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EVPN/VXLAN arp-suppression does not respond to ARP request when VLAN ID under interface (IFL) is different with VLAN ID under vlan (BD) in SP style. PR1602318
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On QFX5120s, even after deactivating analyzer configuration, traffic is getting mirrored. PR1603192
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Unicast DHCP packets might get flooded when DHCP relay is configured in non-default routing-instance. PR1603444
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The carrier transition counter might not get incremented upon link flap after the reboot. PR1605037
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On QFX5110 Virtual Chassis (VC) setup, removing and adding of VC ports might cause the VC ports to remain in down state sporadically. PR1606705
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FPC might crash post firewall filter configuration changes in QFX platforms. PR1608610
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An additional VLAN tag might be added for Point-to-Point Protocol over Ethernet (PPPoE) packets on QFX10016. PR1610012
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Continuous Layer 3 traffic drop might be observed with MC-LAG configuration on QFX10000 platforms. PR1610173
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MAC move or MAC flap might be triggered in the QFX5000 Virtual Chassis environment. PR1610295
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Inter-vlan connectivity might be lost in an EVPN-VXLAN with CRB topology. PR1611488
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Continuous FPC crash and dcpfe core files might be seen on QFX10002-60C and PTX10002-60c platforms. PR1612871
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ARP resolution for data traffic received over Type5 might fail. PR1612905
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Removing the optical module "JNP-SFPP-10GE-T" from a port might cause certain ports to go down. PR1614139
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On QFX5000 VLAN firewall filter is not deleted in Packet Forwarding Engine after configuration change. PR1614767
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The l2ald process might crash in EVPN scenario. PR1615269
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Slow memory leak (32 bytes each time) of rpd might be seen. PR1616065
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The BFD session might flap on the QFX5120-48YM platform. PR1616692
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The l2cpd core file is seen with FIP snooping configuration on any interface. PR1617632
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BGP routes learnt through type 5 EVPN routes might not get activated. PR1617878
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BFD session might get stuck in init state after l2-learning restart due to incomplete ARP resolutions. PR1618280
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Core files might be seen on EX and QFX devices after configuration changes. PR1618352
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Traffic might be dropped when IRB is configured and removed from VLAN. PR1618425
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Dot1x based firewall policers are not supported. PR1619405
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The process dcpfe might crash after performing VXLAN VNI configuration change and delete on QFX5000 and EX series platforms. PR1619445
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Disabled VCP (Virtual chassis port) will be UP after the optic on it is reseated. PR1619997
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High wired memory utilization might be observed if GRES is enabled. PR1620599
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Routes learned via the EVPN Type-5 route are not resolved. PR1620627
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EVPN-VXLAN Type5 traffic might get failed on the Spine device of QFX10000. PR1620924
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QFX-5120: Observing error "tvp_is_qsfp_has_single_led ioctl call failed ret:-1" while loading the build. PR1621630
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LED indicator might be showing 'ON' status once QSFP is removed. PR1622580
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Host generated IPv4 traffic sent over IPv6 next-hop with IRB interface might get dropped. PR1623262
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Interface on QFX52xx not coming up after swapping from 100G to 40G. PR1623283
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MACsec session might flap if multiple logical interfaces are created on single physical interface. PR1624524
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In rare circumstances, PKID might crash and generate a core file when there was limited memory available on the Routing Engine. PR1624613
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QFX5000 log messages: fpc0 SRIRAM Tx VxLAN Ucast: ifd_out = vtep dst_gport is (c00000X) so do not process pkt further. PR1624925
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Traffic loss might be observed after configuring VXLAN over IRB interface. PR1625285
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The statement
no-incoming-port
is not applied after reboot on QFX10002/QFX10008 platforms. PR1625988 -
The third 802.1Q tag might not be pushed onto the stack in the Q-in-Q tunneling. PR1626011
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Implement
show task scheduler-slip-history
to display no of scheduler slips and last 64 slip details. PR1626148 -
Routing Engine generated traffic might not be forwarded when next-hop is indirect unilist of EVPN Type 5 tunnel. PR1627363
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QFX10002-60C platform might not respond back to ICMP packets received with TTL or hop limit value of 1. PR1627566
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Layer 3 traffic failure might be observed with scaled MC-LAG configuration on QFX10002/QFX10008/QFX10016 platforms. PR1627846
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802.1p BA classification might not work on mixed Virtual Chassis when interface has a DSCP and 802.1p classifier. PR1628447
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DHCP inform ack might be sent with broadcast address when DHCP smart relay is used. PR1628837
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The vmhost crash might be seen in a rare condition when route addition and change. PR1629200
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Some ports (port 20 and above) on QFX5110-32Q Virtual Chassis might not come up after a device restart or Packet Forwarding Engine reboot. PR1629231
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Traffic might get dropped when
family ethernet-switching
is configured on the interface in Q-in-Q scenario. PR1629680 -
The "show interface extensive" command might not show Local/Remote fault.
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LACP timeout might be observed during high CPU utilization. PR1630201
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QFX5000 : Chassis Status LED doesn't work as document described. PR1630380
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The FBF filtered VLAN traffic will not be passed properly to the forwarding routing instances over AE interfaces on QFX5K/EX4600/EX4650 platforms. PR1633452
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Traffic loss is observed after MAC ages. PR1633879
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The VCPs connected with the AOC cable might not come up after upgrading to Junos OS Release 17.3 or later releases. PR1633998
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Data might not be exchanged via EVPN-VxLAN domain. PR1635347
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Silent drop in traffic might be observed when STP is configured in VxLAN environment. PR1636950
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Configuring L2PT on a transit switch in a Q-in-Q environment breaks L2PT for other S-VLANs. PR1637249
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Delay might be observed for the interfaces to come up after reboot/transceiver replacement. PR1638045
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Targeted broadcast or WOL feature may not work on QFX 5000 platforms. PR1638619
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MAC-move might be observed when dhcp-security is configured. PR1639926
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The KRT queue might get stuck with the error- 'ENOMEM -- Cannot allocate memory'. PR1642172
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ICMP TTL exceeded packets are not sent out of the switch. PR1643457
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Packets are dropped in ingress QFX5000 with EVPN-LAG multihoming due to VP-LAG programming issue. PR1644152
Routing Policy and Firewall Filters
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The rpd process might get stuck at 100% when EVPN vrf-target is enabled and after any configuration change. PR1616167
Routing Protocols
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The interface might receive multicast traffic from a multicast group which it is not interested in. PR1612279
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The wrong BGP path may get selected even when a better/preferred route is available. PR1616595
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Traffic drop will be seen when VPN labels are incorrectly allocated due to change in nexthop. PR1617691
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Verification of BGP peer count fails after deleting BGP neighbors. PR1618103
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Time delay to export prefixes to BGP neighbors might occur post applying peer-specific BGP export policies. PR1626367
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The BFD session might be down when multiple addresses of same subnet are configured. PR1635700
User Interface and Configuration
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The core files may not get deleted using CLI "file delete /var/core/*/vmcore*". PR1624562