Resolved Issues
Learn about the issues fixed in this release for EX Series switches.
For the most complete and latest information about known Junos OS defects, use the Juniper Networks online Junos Problem Report Search application.
Forwarding and Sampling
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The Firewall filter with syslog action will not work when applied on the ingress of a loopback interface. PR1714988
General Routing
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EX4100 and EX4100-F virtual chassis: non-existing PIC ports are seen in Junos Telemetry queries. PR1681673
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fxpc daemon core file is observed on the Junos OS EX4400 platforms in a virtual chassis setup with HGoE mode. PR1682960
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With the logout-on-disconnect configuration, the prompt for setting the root authentication password on the console will not appear PR1686364
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Unable to onboard the VC members after performing ZTP due to the phone-home process sending a blank in the device serial number field while connecting to the redirect server PR1687926
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Traffic loss is observed in IP fabric when there is a change in the underlay network. PR1688323
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Transceiver not detected after it's unplugged and plugged in again. PR1696444
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Traffic loss can be seen while switching between primary and fallback sessions in MACsec setup. PR1698687
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Traffic impact is observed when OSPF adjacency gets stuck in exstart or exchange state. PR1699216
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DHCP offer requests are dropped while routed towards different VRFs of transit router. PR1700203
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EX4400: pps counter does not show correct values for jubmo frames. PR1700309
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The operational state of the interface is displayed as not down even after disabling it, though the interface status is down. PR1701444
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Traffic blackhole in the event of a link failure (Rx LOS) for 1GE-SX/LX optics. PR1705461
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With MAC limit and persistent MAC learning configuration l2ald process will crash when MAC is learned through remote peers. PR1706364
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In a VC scenario, sometimes the alarms raised on the line-card or backup-RE may not show on the master Routing Engine. PR1707798
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License expire error will be observed after upgrade. PR1708794
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On EX4400,
show chassis environment power-supply-unit
displays only master member's details. PR1709483 -
Certain EX Series platforms with option-18 configured may hinder the DHCPv6 process. PR1710360
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The link does not come up after PIC offline and online operation. PR1710793
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When a 100G transceiver is used as a VC port or network port, the VC port or network port will either not come up or come up as 40G. PR1711407
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DHCPv6 packets could not be forwarded if it contains the trailer or extra bytes out of the IP stack. PR1711525
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MACsec dynamic CAK not working due to interoperability issue. PR1711561
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The interface remains up and LED is still green when the cable is removed. PR1711695
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The LLDP negotiation response is not sent back to PD when perpetual Power over Ethernet (PoE) is enabled on EX4400. PR1713545
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The multiple supplicant scenarios for dot1x do not work with MAC based tagging in the case of group-based policies. PR1713982
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On EX4650, jnxOperatingDescr.1.1.0.0 is populated with blank. PR1714056
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EX4400 link/activity LED is not lit when it transits to the factory default configuration by pressing the factory reset/mode button. PR1714116
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On EX4400 and EX4400-24X platforms, BIOS upgrade is not getting successful via CLI. PR1715258
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MACsec may not work after reboot on broadcom pltforms with macsec hard enforcement license enabled(EX4000 and QF5000). PR1715308
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Traffic loss is seen on RTG bound interface. PR1715518
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The interface phy of PIC 0 comes up causing traffic loss while the device boots/reboots. PR1715680
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After the device reboots with lpm(longest prefix match) profile configured, the default route entry is getting created on IPv4 and IPv6 (pfe hw lpm) due to gRIBI routing instance and same route is removed after the interface flap. PR1715907
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EX4100MP (PSE) does not allocate a power value requested in LLDP by the PD. PR1716261
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The mac-move-limit (MMAS) flag is not getting reset after the interface recovers due to the l2-learning restart. PR1716270
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The link remains down on connecting the transceiver 10GBASE-T with the serial number starting with "2P1". PR1716703
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IGMP/MLD queries might drop if received on a port on the backup Virtual Chassis member when IGMP/MLD snooping is enabled. PR1716902
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DHCP services are impacted as DHCP binding will not work as expected. PR1718286
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The fxpc daemon crashes on Junos OS EX4400 platforms in a virtual chassis setup with HGoE mode. PR1718316
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Alarm "PEM is not supported/powered" might be seen after removing the power cable. PR1718825
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RSTP default configuration is missing when zeroize is performed. PR1719509
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Continuous messages indicating duplicate IP address L2ALM_DUPLICATE_IP_ADDR will be seen in MCLAG and VRRP scenario. PR1719868
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Port will be down when "no-auto-negotiation" is configured on EX4400-48F platform. PR1720074
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EX4400 shows incorrect interface et-0/0/0. PR1720257
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On EX4300-48MP I/O accesses to disk will fail. PR1720335
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In a rare case FPC crashes and reboots generating a core. PR1720591
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Interface with QSFP+-40G-CU50CM will be down. PR1720884
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On EX2300MP, error messages are observed during reboot/image upgrade. PR1721433
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Invalid "Power Class" value will be observed. PR1722674
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EX4400: Flow control shows as disabled at Packet Forwarding Engine, even after enabling it. PR1724188
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Traffic loss occurs with vlan tagging and/or vlan normalisation in a specific design (using a looped cable). PR1724675
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On certain Junos EX Series and QFX Series platforms the static ARP entries for DHCP-security are not present. PR1724933
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The entPhysicalSoftwareRev MIB object returns Junos OS version value for components which do not run Junos OS. PR1725078
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EX4400: After BIOS upgrade device mode gets changed from HGoE to HiGig mode. PR1725683
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FPC temperature value will be exported incorrectly in Telemetry server. PR1726532
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Memory leak is seen on all Junos OS platforms during ZTP. PR1726603
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Root user is unable to login using public key authentication after reboot or upgrade. PR1726621
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Programming of native-vlan-id on the interface fails and MAC is not learned. PR1727112
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On all Junos and Junos Evolved platforms the l2ald process memory usage is seen to increase over time. PR1727954
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EAP dot1x authentication stuck in connecting state. PR1728538
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EX4400 VC: During upgrade/reboot , fxpc core files may be seen in a rare race condition. PR1728725
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Traffic loss will occur because of the CRC errors with QSFP+-40G-ACU10M plugged. PR1729067
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EX4400: While exporting telemetry data, transceiver data is also streamed when there is no transceiver in device itself. PR1729464
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Packets received on a port that is in "LACP Detached" state is getting forwarded. PR1730076
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On EX4400, PIC2 details may not be not displayed for
show snmp mib walk entPhysicalVendorType
output. PR1731146 -
Traffic for VLAN-id 2 drops in Ethernet-CCC L2 circuit on EX4650 platforms. PR1731291
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EX4400: Some log messages might flood in heavily loaded system. PR1731345
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The traffic drop will be observed after changing the VSTP VLAN configuration. PR1731522
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The fxpc process crashes when the next hop information is not properly maintained in the PFE table. PR1731548
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Filter term dropping VRRP traffic when "then log" is configured. PR1732271
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Configuring CFM on ae interfaces on EX series virtual chassis will generate ppmd core files. PR1733134
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Error logs are seen with a non-vxlan dot1x enabled port. PR1733365
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On EX2300-VC when VCP interfaces are disabled/enabled then tvp_status_led_set error messages are seen. PR1733636
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EX4400: When SFPP-10G-T optics insterted in EX4400, IFD doesnt get created. PR1733920
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EX4300-48MP: Device did not come up with USB image when "request system reboot usb" is issued. PR1734925
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Control plane flap, data drop, unexpected behavior of PFE or device is observed when file storage is impacted in a continuous ksyncd process crash scenario PR1735685
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Port LEDs are not working as expected when the mode is changed from default to EN. PR1735786
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EX4400 shaping rate not working as expected. PR1736790
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Junos OS: EX Series: A PHP vulnerability in J-Web allows an unauthenticated attacker to control important environment variables (CVE-2023-36844) PR1736937
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On EX4400, request system halt/power-off doesn't turn off FAN LED's. PR1737500
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Virtual Chassis on EX3400 platforms will not form with 40GBASE-BXSR optics. PR1737524
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Link down due to FEC mismatch on EX4650, EX4400 and Junos based QFX5K platforms using 25G-LR optics. PR1738077
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The 'input-vlan-map push' operation will not work on double-tagged frames.PR1738384
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Error message like 'BRCM-VIRTUAL,brcm_vxlan_port_discard_set(),13034:Failed to set bcm_port_discard_set to 0 for port (61) err(Invalid unit) PR1738404
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On certain EX platforms when 25G DAC in 4x25G is plugged into PIC port does not come up when used as VC PR1738535
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DHCP offer is dropped at MX and specific EX Series platforms when an lt interface is used as the transport PR1738548
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In EVPN-VXLAN scenario DHCP does not work for clients connected on the dot1x port. PR1739730
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Layer 2 traffic will be dropped on VSTP disabled interface. PR1739975
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Both mge and ge interfaces are getting created for all ports during master member-id and role swap with Linecard. PR1740024
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On EX4400-48F, After phc commit in VC, default storm control config has extra xe port configuration for 0-11 ports and extra ge port config for 37-48 ports. This has no functionality impact PR1740579
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On EX4400 with pre existing configuration of 1g for the uplink interfaces, it might not come up after 4x10G module insertion event PR1741724
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DOT1XD_USR_ATHNTICTD_GST_VLAN is not triggered. PR1741867
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On EX4400, on CLI "load factory-default", config loaded does not have VLAN configuration. PR1742114
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Traffic drop will be observed after extended-vni-list configuration change with EVPN-VXLAN scenario. PR1742763
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The l2ald crashes when there is recursive deletion of IFBD or when BGP neighborship is cleared in EVPN-VXLAN multi-homed configuration PR1743282
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EX Series: Removal of notice about the availability of new POE firmware and the prompt to upgrade the same PR1743547
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On EX2300/EX3400, unexpected error message during oam boot. PR1744141
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On EX4100, VC formation will not happen automatically after zeroize. PR1744190
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Enhancement of PoE Controller Firmware upgrade procedure. PR1744343
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Enhancement of PoE controller firmware files into Junos OS. PR1745088
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LLDP will not work on HGoE VC mode with 40G VCP connections. PR1747095
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PoE ports stop working after the reboot. PR1747128
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Under rare situations, 10GBASE-T SFP might be unable to make the peer end deivce linkdown. PR1747277
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Packet drop will be observed due to ARP resolution failure in EVPN-VXLAN scenario. PR1747878
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Connectivity fails intermittently on 802.1x enabled ports. PR1749312
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Incorrect egress MTU errors when larger than 1500 byte packets are sent on L2 ports. PR1751700
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POE Log "Thread 22 (PoE Periodic) ran for ms without yielding" may be seen. PR1751868
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EX4100 : L2ALD_IFBD_COUNT_EXCEED is not generated when exceeded max number of vmember. PR1752756
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Runt frames generate excessive traffic statistics on EX4100/EX4400 platforms. PR1753576
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Traffic impact will be seen for static VoIP VLAN on access interface if same VLAN configured as data VLAN. PR1754474
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QFX: VC(virtual chassis) doesn't get formed when using 100G for vc port. PR1754838
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[EX4400/EX4100] A tranceiver fails to get detected on uplink module after system reboot. PR1754931
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Ports remain down on backup member switch of VC on certain EX4400 platforms after power outage in a rare scenario PR1755433
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The dcpfe process crash will be seen when L2PT interfaces are configured with multiple protocols PR1757329
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Whenever IGMP leave request is initiated by receiver unicast traffic to the host IP on the switch port is non-responsive PR1757431
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EX4400:PSM is not detected in "show chassis hardware" until AC feed is connected to it. PR1759351
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The fxpc process might crash and cause traffic loss when adding and deleting irb configuration PR1760229
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LLDP neighborship will not be formed on all Junos devices PR1763053
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LLDP neighborship is not forming in non-master members PR1764085
Interfaces and Chassis
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DCD crash can be seen sometimes while pushing config using API. PR1742124
J-Web
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PHP vulnerability in J-Web allows an unauthenticated to control important environment variables (CVE-2023-36845). PR1736942
Junos Fusion Satellite Software
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Junos Fusion Satellite device will be stuck in the SyncWait state. PR1733558
Layer 2 Ethernet Services
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Auto-image-upgrade knob is not present when EX-VC is zeroized and VC is formed. PR1694952
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DHCP binding is not happening in EVPN VXLAN topology with DHCP stateless relay (forward-only). PR1722082
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Dhcp security bindings may not happen when DHCP security is enabled on multiple vlans along with dhcp stateless relay. PR1731784
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Address allocation for DHCP client will fail if 'force-discover' configuration is enabled on client. PR1742696
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Name-server resolution failure may be seen intermittently after zeroize or loading factory default config resulting in MIST on-boarding failure. PR1747800
Platform and Infrastructure
Routing Protocols
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The mcscnoopd process will be stuck in resync state after snooping configuration is deleted and added again immediately. PR1699784
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OSPFv3 using the VIP address on the IRB interface will not form adjacencies between peers. PR1737978
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BFD session for BGP remains down in a specific scenario. PR1738074
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Junos OS and Junos OS Evolved: A BGP session will flap upon receipt of a specific, optional transitive attribute (CVE-2023-0026). PR1739919
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Memory leak observed when reconfiguring the flow routes. PR1742147
Subscriber Access Management
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Intermittent authd crash will be seen on Junos platforms in a DHCP subscriber scenario. PR1697447