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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.

General Routing

  • LTS19: MX960: 000: [Firmware Bug]: TSC_DEADLINE disabled due to Errata; please update microcode to version: 0x3a (or later) seen upon upgrade to 21.4. PR1608045

  • Mac entry not ageout in RTG in EX4600-VC after VCP port reconnect. PR1707878

  • When FAN tray is inserted, insertion SNMP TRAP message is not printed. PR1711653

  • New option to allow operator to configure a power source alarm if power is not received on PD ports. PR1722976

  • Transition Junos OS kernel random number generator from hashing algorithm SHA-256 to SHA-512. PR1723499

  • In virtual-chassis(VC), swapping routing-engine member-id and role with linecard will lead to physical interface down. PR1740024

  • EX4400 Platforms Virtual Chassis (VC) - HGOE enabled causes system crash when system memory becomes unavailable for cumulative protocol daemons traffic. PR1754344

  • The VC port stays down after backup becomes master. PR1754838

  • Multicast traffic may be dropped if both bpdu-block-on-edge and igmp-snooping are configured. PR1757160

  • EX-hardening: EX4400: set chassis config-button no-clear is not working. PR1758042

  • An unnecessary traffic load on the peer boxes. PR1767190

  • [EX46/QFX5K]MTU Errors are counted when receiving packets up to 4 bytes in MTU. PR1770448

  • EX4100/4400 : Error message 'COS default: IEEE 802.1ad defaults not specified' upon commit operation. PR1771111

  • Memory leak observed on non-local FPC for Junos QFX5K and EX platforms. PR1771183

  • Dynamic VLAN change on one port is affecting forwarding plane traffic on other ports to which no changes were done. PR1771222

  • License missing on VC member after reboot. PR1771376

  • Turning port beacon LED on or OFF may not change the LED status. PR1772477

  • TDR link status not consistent in CLI. PR1773103

  • The DHCP client will not be able to get the IP address. PR1774202

  • The RE goes into amnesiac mode upon license check validation failure. PR1775463

  • Peer device ports connected to Gigabit Physical ports of EX4100 transition to up state momentarily during reboot of EX4100. PR1775479

  • On MX and EX platform replacing the line-cards may trigger FPC to be offlined due to unreachable destinations. PR1777534

  • Core files for pfex and dot1x seen due to dot1x authentication. PR1778056

  • In Virtual-Chassis mode, the EX4100 switch might not boot up upon triggering a manual reboot. PR1778873

  • Error is shown on system when pvidb variable is accessed. PR1781317

  • Junos OS and Junos OS Evolved: Impact of Terrapin SSH Attack (CVE-2023-48795). PR1781732

  • A few AE interfaces will drop traffic when a large number of AE interfaces are deleted and added back. PR1781955

  • MPC line card crashes while ISSU to Junos OS Release 24.1 or later, displays "ISSU PREPARE TIMEOUT" error. PR1785960

  • Interface configured with BPDU-disable goes down during VC mastership switchover. PR1787892

  • Traffic loss after PIC restart if the packet has a VLAN tag of 4095. PR1788573

  • On EX2300/EX3400 series SFP-SX interface is not come up due to auto-negotiation failure. PR1789617

  • The l2ald process will crash, with rapid configuration changes followed by rpd and l2ald restart process PR1790064

  • The access port is dropping a VLAN-tagged packet of which the interface is a VLAN-member. PR1790316

  • Warning message 'Too many VLAN-IDs on untagged interface' is seen when more than 1025 vlans on the same LAG interface are configured. PR1791053

  • With any configuration change or interface up/down with MACsec protocol configured with or without Dot1x, dot1xd process core is observed in the device. PR1792507

  • Dot1x process crash will be seen in the system with "server-timeout" and "server-fail use-cache" configuration. PR1794778

  • On all Junos EX platforms rewrite rules does not work properly when multiple interfaces are configured. PR1795545

  • Cos rewrite rules does not work properly when input/output-vlan-map swap are configured. PR1795807

  • DHCP IP assignment will fail on VoIP phone connected to a VXLAN access port. PR1797422

  • Intermittent alarms related to fan overspeed value can be observed on EX4100 platform. PR1797727

  • [EX2300]"Ethernet Link Down" would not be generated when me0 was down. PR1799093

  • ARP won't be forwarded in VLAN associated VNI in VxLAN Fabric. PR1801237

  • CPU usage gets spiked for eventd due to flooding of pfe_khms_spurious_wakeup log. PR1801535

  • The set chassis config-button no-clear support not added on EX4100. PR1802614

Interfaces and Chassis

  • The ifinfo process crash is seen on Junos platforms. PR1786555

Layer 2 Ethernet Services

  • DNS received through DHCP is lost after a commit and not able to ping internet. PR1743611

  • DHCP clients not receiving IP address. PR1776451

Platform and Infrastructure

  • In EVPN-MPLS/EVPN-VxLAN Multi-Home Active/Active scenario, random packet drops are observed. PR1772733

Routing Protocols

  • In a scaled setup mcsnoopd is taking high CPU causing traffic drop. PR1710565

User Interface and Configuration

  • After the device reboot BGP sessions configured with authentication will be down. PR1726731

  • High storage is reported in /var/jail/log due to http.log and http-trace.log on all Junos platforms. PR1776688