Resolved Issues: 21.4R1
Class of Service (CoS)
-
The TCP-ECN traffic might not be forwarded with high priority. PR1585854
EVPN
-
Traffic loss might occur under the EVPN scenario when MAC-IP moves from one CE interface to another. PR1591264
-
The device announces router-MAC, target, and EVPN VXLAN community to the BGP IPv4 NLRI. PR1600653
-
Traffic sent by the QFX5000 leaf to remote leaf with link goes into the
Down
state. PR1605375 -
The MAC-table aging timeout fails in some scenarios. PR1612866
General Routing
-
Routing Engine switchover does not work as expected when SSD fails. PR1437745
-
Unexpected next-hop might occur after the route gets deleted. PR1477603
-
The interface might go into the
Blocking
state impacting the traffic when the link-protection switches from primary to backup. PR1555294 -
On the QFX5100 line of switches, the Virtual Chassis Port (VCP) might not come up after upgrading to Junos OS Release18.4R2-S4 or later. PR1555741
-
On the QFX5110 line of switches, the untagged traffic routed over native-vlan might be dropped. PR1560038
-
The na-grpcd process might generate core files during the longevity tests. PR1565255
-
The MAC address points to an incorrect interface after traffic stops and not ages out. PR1565624
-
On the QFX10000 line of switches, the dcpfe and fpc process might crash if the ARP MAC moves. PR1572876
-
On the QFX10K2-60C line of switches, the
disk missing
alarm does not get generated. PR1573139 -
On QFX Series switches, when a VRF instance configuration exists and you upgrade to Junos OS Release 20.3 or later and commit the upgrade might generate the
warning: requires 'l3vpn' license"
warning message. PR1575608 -
On the QFX10000 line of switches, the port might not be brought down immediately during some abnormal type of line card reboot. PR1577315
-
On QFX5000 line of switches, the
show route detail
command might not display the Next-hop type IPoIP Chained comp nexthop in the output. PR1584322 -
ARP resolution for data traffic received over Type5 might fail. PR1612905
-
The l2cpd process generates a core file with the FIP snooping configuration on any interface. PR1617632
-
Junos OS does not support the Dot1x based firewall policers. PR1619405
-
On the QFX5100 line of switches, some 40G ports might not be channelized successfully. PR1582105
-
On the QFX5000 line of switches, the firewall filter does not get programmed after you delete a large filter and add a new one in a single commit. PR1583440
-
File permissions changes for the /var/db/scripts files after a reboot. PR1583839
-
On the QFX10002-60C line of switches, high FPC CPU utilization might occur. PR1585728
-
On the QFX5210-64C line of switches, the PSU firmware upgrades through Junos OS. PR1589572
-
On the QFX5120 line of switches, the MPLS traffic might not be forwarded after the aggregate interface flaps. PR1589840
-
The Virtual Chassis mastership changes and the connection drops after renumbering the backup member ID. PR1590358
-
On the QFX5120-48T line of switches after removing 1G speed on interfaces, the interface does not come back as 10G. PR1591038
-
Routing Engine kernel might crash due to logical interface of the aggregated interface, adding failure in the Junos OS kernel. PR1592456
-
The IPv4 fragmented packets might be broken if you configure PTP transparent clock. PR1592463
-
The BFD session might flap during the Routing Engine switchover. PR1593244
-
The dcpfe process might crash in the EVPN-VXLAN scenario. PR1593950
-
Packet might drop in the ECMP next-hop flap scenario. PR1594030
-
ARP entry might be missed intermittently after FPC reboots. PR1594255
-
The label field for the EVPN Type-1 route gets set to 1. PR1594981
-
The re-installation of the Type-5 tunnels might fail in the EVPN-VXLAN scenario. PR1595197
-
The DCI InterVNI and IntraVNI traffic might be silently discarded in the gateway node due to the tagged underlay interfaces. PR1596462
-
The mcscnoopd process might crash when you delete or add the Layer 2 forwarding configuration after ISSU. PR1596483
-
The
fpc0 bcm pkt reinsert failed
log gets generates in the log messages in an aggressive way. PR1596643 -
Traffic might be dropped after the backup FPC reboots in a Virtual Chassis scenario. PR1596773
-
The interface might not be brought up when you configure QinQ. PR1597261
-
Deletion of MACsec configuration on an logical interface does not work. PR1597848
-
The socket connection drops as the keepalive timer expires with port 33015. PR1598019
-
On the QFX5000 line of switches, sFlow impacts on ICMP traffic. PR1598239
-
On the OFX5100, QFX5110, QFX5120, QFX5200, and QFX5210 line of switches, the DDoS violations might be reported for the IP multicast miss traffic (IPMCAST-MISS) incorrectly. PR1598678
-
File permissions changes for the /var/db/scripts files after reboot. PR1599365
-
On the QFX10002-60C line of switches, the Layer 3 traffic silently gets discarded with the IRB interface. PR1599692
-
Not able to disable the management port em1. PR1600905
-
On QFX5120-48y-8c line of switches, the dcpfe process generates core file while issuing the
show pfe vxlan nh-usage
command in the ERB EMC scenario with around 6000 ARP entries. PR1601949 -
InterDC traffic loss might occur in the MAC-VRF EVI with the
dlu.ucode.discard
trap status. PR1601961 -
The IPv6 traffic might be impacted when an IPv6 route resolves over a dynamic tunnel. PR1602007
-
Under certain scaling scenarios with EVPN-VXLAN configurations, the l2ald process might be aborted and then recovered. PR1602244
-
The egress interface of the GRE tunnel does not dynamically get updated when the destination to tunnel changes. PR1602391
-
FPC goes into the
Down
state and the dcpfe process might generate core file in some cases. PR1602583 -
Traffic loss might occur in the MC-LAG scenario. PR1602811
-
On the QFX5000 line of switches, traffic might be dropped in the Virtual Chassis scenario when you configure the firewall filter. PR1602914
-
On the QFX5120 line of switches, traffic gets mirrored even after deactivating the analyzer configuration. PR1603192
-
Unicast DHCP packets might get flooded when you configure the DHCP relay in the non-default routing-instance. PR1603444
-
Packet loss might occur on the filter-based GRE deployments. PR1603453
-
Duplicate packets might appear when you bring up all the interfaces on the spine switch. PR1604393
-
The carrier transition counter might not get incremented upon link flap after the reboot. PR1605037
-
MAC might move between the ICL and MC-LAG interface if you add or remove VLANs on the ICL interface. PR1605234
-
Multicast streams might stop flooding in the VXLAN setup. PR1606256
-
The Virtual Chassis ports might remain in the
Down
state after you remove and add the ports. PR1606705 -
The LLDP packets received on VXLAN-enabled port might be flooded unexpectedly. PR1607249
-
The fxpc process might crash and generate a core file. PR1607372
-
Ping to lo0/IRB over Type-5 fails. PR1610093
-
On the QFX10000 line of switches, continuous Layer 3 traffic might drop with the MC-LAG configuration. PR1610173
-
The QFX Virtual Chassis might lose license on Junos OS Release 21.2R1. PR1610272
-
On the QFX10002-60C line of switches, continuous FPC might crash and the dcpfe process might generate core file. PR1612871
-
On the QFX5000 line of switches, the VLAN firewall filter does not get deleted in the Packet Forwarding Engine after configuration changes. PR1614767
-
The l2ald process might crash in the EVPN scenario. PR1615269
-
The BFD session might get become nonresponsive in the
Init
state after l2-learning restart due to incomplete ARP resolutions. PR1618280 -
Disabled VCP (Virtual chassis port) might go into the
Up
state after the optic is reseated. PR1619997 -
Traffic might be lost after configuring VXLAN over the IRB interface. PR1625285
-
Need to implement the
show task scheduler-slip-history
command to display the number of the scheduler slips and the last 64 slip details. PR1626148
Infrastructure
-
The
Host 0 Active Disk Usage Exceeded
alarm might be generated due to large files, which were already marked as deleted. PR1601251
MPLS
-
On the QFX5000 line of switches, traffic loss occurs after the STP topology changes. PR1616878
Layer 2 Ethernet Services
Routing Protocols
-
The remaining BFD sessions of the aggregated Ethernet interface flaps continuously if one of the BFD sessions gets deleted. PR1516556
-
The IPv4 static route might still forward traffic unexpectedly even when the static route configuration has already been deleted. PR1599084
-
On the QFX10002 line of switches, the verification of BGP peer count fails after deleting the BGP neighbors. PR1618103
-
Time delay to export prefixes to BGP neighbors might occur post applying peer-specific BGP export policies. PR1626367