Resolved Issues: 21.4R1
General Routing
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CSPRNG is changed to the HMAC-DRBG and cannot be changed to either the FreeBSD Fortuna or the Juniper DYCE RNGs. PR1529574
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Junos 'et-' interface stuck and remains down between two particular ports PR1535078
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On EX Series line of switches Virtual Chassis (VC), Power over Ethernet (POE) might not be detected and hence might fail to work on VC members. PR1539933
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The Virtual Chassis Port (VCP) might not come up on EX4600 platform. PR1555741
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Some transmitting packets might get dropped due to the disable-pfe action is not invoked when the fabric self-ping failure is detected. PR1558899
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The DHCP client might not obtain IP address when dhcp-security is configured. PR1564941
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On EX platforms, the new primary Routing Engine post switchover might go into DB mode (or crash). PR1565213
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The MAC address will point to incorrect interface after traffic is stopped and not aging out. PR1565624
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The fxpc process might crash and cause traffic loss in the IFBD scenario. PR1572305
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Private VLAN configuration might fail in certain scenario. PR1574480
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Kernel crash migiht be observed on the backup Routing Engine after GRES. PR1577799
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The dcpfe crash is observed on Junos OS EX Series line of switches. PR1578859
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On EX Series line of switches, some 40G ports might not be channelized successfully. PR1582105
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The upgrade of the PoE firmware might fail on EX2300 and EX3400.PR1584491
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Packet drops during VRRP primary reboot when 40XS linecard is present on some EX9204 platforms. PR1586740
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Process dot1xd crash might be seen and re-authentication might be needed on EX9208 platform. PR1587837
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Inconsistent statistics value seen on performing slaac-snooping. PR1590926
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The DHCP relay might not work if it connects with the server via type 5 route which with aggregated Ethernet interface as the underlay interface. PR1592133
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On the EX4300-48MP Virtual Chassis, the backup Routing Engines clear the reporting alarm for a PEM failure intermittently for a missing power source. PR1593795
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Clients authentication failure might occur due to dot1x daemon memory leak. PR1594224
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On a EX4400 Virtual Chassis, log messages related to fan settings will be observed in chassis traceoptions file. PR1594446
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The label field for the EVPN Type 1 route is set to 1. PR1594981
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The MAC/IP withdraw route might be suppressed by rpd in the EVPN scenario. PR1597391
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The backup Virtual Chassis member might not learn MAC address on a primary after removing a VLAN unit from the SP style aggregated Ethernet interface which is part of multiple VLAN units. PR1598346
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On EX3400 platforms, traffic might fail to flow in MACsec enabled interfaces. PR1598610
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Error might be seen when enabling xSTP on all interfaces. PR1598839
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The l2ald process might crash due to memory leak when all active interfaces in a VLAN are unstable PR1599094
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On EX4400 Virtual chassis, linecard member console might fail to redirect to Virtual Chassis primary. PR1599625
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Unable to disable the management port em1. PR1600905
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EX4400 PVIDB schema files not updated for the correct count of (lic_ft_cnt) Licensing feature. PR1601449
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On EX2300 and EX4650, if the system is upgraded from 20.2 or earlier release to 20.3 or later release, either using phone-home feature or when the system is in factory default state, the upgrade will fail with phone-home crash. PR1601722
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On EX2300 Virtual Chassis platforms ARP might not get resolved. PR1602003
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Files under /var/db/scripts might become inaccessible after every reboot. PR1602638
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On a EX4400 Virtual Chassis, the Cloud LED will display pattern for NO_CLOUD_RESPONSE when there is no IP address present on IRB interface or no DNS is configured on the device. PR1602664
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On EX4400 dot1x authentication might not work on EVPN/xlan enabled endpoints. PR1603015
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The fxpc core files are generated when the NSSU performed with MACsec configuration. PR1603602
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MAC move might be seen between the ICL and MC-LAG interface if adding or removing VLANs on the ICL interface. PR1605234
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On a EX4400 POE supported device, PoE firmware upgrade should be done with bt-firmware CLI option only. PR1606276
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In Junos OS releases, in a scenario with dhcp-security and option-82 configured, the jdhcpd crashes upon receipt of a malformed DHCP packet (CVE-2022-22176). PR1606794
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On EX Series switches, the fxpc process might crash and generate a core dump. PR1607372
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On EX4300 platform, the dcpfe process might crash and generate core. PR1608306
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DHCP packets might be received and then returned back to DHCP relay through the same interface on EX2300, EX3400, and EX4300 Virtual Chassis platforms. PR1610253
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Traffic loss might be observed if dot1X is configured with supplicant multiple and authenticated user from radius is in single supplicant mode. PR1610746
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Inter-vlan connectivity might be lost in an EVPN-VXLAN with CRB topology. PR1611488
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Change in commit error message while configuring the same vlan-id with different vlan-name through
openconfig
CLI. PR1612566 -
On EX2300, EX3400, EX4300-MP, and EX4400 series is causing MAC move when the IGMP query packet received on backup FPC port. PR1612596
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FPC might crash after device restart in EVPN-VXLAN scenario. PR1613702
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EX9204 :: entAliasMappingIdentifier does not reflect correct SNMP entity to ifindex mapping for 100G and 40G ports. PR1614081
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After performing zeroize factory default configuration does not show appropriate interface in the device. PR1614098
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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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SFP+-10G-T-DWDM-ZR support for EX3400. PR1615246
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Core dumps might be seen on EX devices after configuration changes. PR1618352
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Lowest acceptable PN not reflecting correct value when replay-window-size is more than zero. PR1618598
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The process dcpfe might crash after performing VXLAN VNI configuration change and delete on EX series platforms. PR1619445
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In Junos OS releases, the EX2300 Series, EX2300-MP Series, EX3400 Series: A slow memory leak due to processing of specific IPv6 packets (CVE-2022-22180). PR1619970
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OAM CFM session doesn't come up if ERPS configured and CFM control traffic uses the same VLAN as ERPS control traffic. PR1620536
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EVPN type 5 routes might not be installed. PR1620808
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Traffic loss might be observed after configuring VXLAN over IRB interface. PR1625285
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The filter required for routing the Layer 3 traffic of targeted broadcast and static ARP entry with multicast-mac address might fail to install. PR1626620
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When clients connected to isolated VLAN (Virtual Local Area Network) through trunk port cannot communicate to the network. PR1626710
Class of Service (CoS)
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The dcpfe core might be seen in auto-channelization scenario or when SFP is plugged out. PR1616847
EVPN
Infrastructure
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For EX4400 product family, net installation (PXE) is not working. PR1577562
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EX2300, EX2300-MP, and EX3400 do not take kernel core file to internal storage on panic. PR1600442
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Upgrade might fail when upgrading from legacy release. PR1602005
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The fxpc process might crash and generate core. PR1611480
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DHCP packets originated from QinQ/SP VLANs will have vlan-id of C-vlan in DHCP options82 circuit-id field. Whereas when configured to use VLAN description, then S VLAN name will be used in circuit-id. PR1616613
Interfaces and Chassis
Junos Fusion Enterprise
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Reverting primaryship from RE1 to RE0 might lead to l2ald daemon crash and cause an outage. PR1601817
Layer 2 Ethernet Services
Platform and Infrastructure
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FPC crashes might be seen on EX92 platforms. PR1579182
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HEAP malloc(0) is seen with base configurations. PR1590037
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Broadcast traffic might be discarded when a firewall filter is applied to the loopback interface. PR1597548
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VLAN tagged traffic might be dropped with service provider style configuration. PR1598251
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The VRRP packets might not be forwarded when mac-move-limit configuration statement is configured. PR1601005
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Adding aggregated Ethernet configuration without child member might cause MAC or ARP learning issues.PR1602399
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The ZTP service might not work and the image installation fails. PR1603227
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Slaac-Snooping global address entry learnt over vtep interface does not RENEW sometimes after lease timer expiry. PR1603269
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Route leak from primary routing-instance to custom routing-instance failure occurs for local interface. PR1623429
Routing Protocols
Virtual Chassis
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During NSSU, errors related to link might be observed while IFDs are attached are detached. PR1622283