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Resolved Issues

Learn about the issues fixed in this release for EX Series switches.

Note: The EX2300 and EX3400 models are documented but not supported in this release.

For the most complete and latest information about known Junos OS defects, use the Juniper Networks online Junos Problem Report Search application.

General Routing

  • IS-IS Level 2 disabled after upgrade due to OpenConfig YANG model change. PR1798178

  • The dcpfe process crashes on specific Junos QFX and EX platforms due to memory corruption. PR1856424

  • Lower rate is not negotiated even if auto-negotiation is configured on EX3400 platforms. PR1858406

  • EX4400: Error message 'Failed to read eeprom' intermittently on SFP-T. PR1858986

  • The 'fxpc' process utilization shows above 80% with 100G AOC/DAC or 100G optics connected on interface with FEC mode mismatch. PR1860519

  • On Junos QFX5000 series and EX4000 series platforms, an fxpc process crash triggers an FPC reboot. PR1866815

  • The PTP packets are dropped when IGMP snooping is enabled PR1873129

  • On EX4100/EX4400s platforms PoE powered devices connected do not come up when adding a second power supply unit. PR1876675

  • There is a PoE short circuit alarm after upgrading the device. PR1879702

  • JMA package fails to initialise after a power cycle on EX4650/QFX-5E series devices. PR1882472

  • Link-mode shows Half-Duplex when interface is set to 100M/10M with full-duplex and no-auto-negotiation. PR1883130

  • Error messages are seen when the device is loaded with baseline EVPN-VxLAN configuration PR1884063

  • snmp mib walk DomCurrentLaneAlarms does not show proper lanes Values in the latest builds PR1886889

  • Configuring loopback firewall optimization causes IPv6 BGP session down. PR1886981

  • JTASK_IO_CONNECT_FAILED messages are seen on the device. PR1887336

  • On some EX or QFX platforms, 25G interfaces remain down with a default FEC(Forward Error Correction) 74 value when peer device has default FEC as None. PR1890164

  • The pkid crash is observed during enrolment of device's local certificate through SCEP. PR1892297

  • FXPC crash on EX4k VC during GRES operation. PR1893742

  • Physical Interface device remains down by continuous system reboots on EX and QFX5K platforms. PR1894136

  • The enable-pxe-boot is not working as expected on specific EX or QFX platforms with Easy EVPN LAG single home server topology. PR1895433

  • EX2300/EX3400: TFTP installation failure. PR1900881

  • [ex4000]:: Dot1x client remains in server-fail vlan post radius-reachability timer expiry. PR1901304

  • PFE crashes on QFX5K and EX4K platforms in standalone and VC setups due to logging of PFE. PR1901837

  • Intermittent kernel panic results in device reboot or fxpc crash. PR1902609

  • Significant system slowness is observed post software upgrade on QFX5120-48YM. PR1902869

  • During virtual chassis switchover causes default dead route creation. PR1904091

  • Stale entry in MAC-IP table affects ARP resolution. PR1905196

  • EX3400 EX4400-48F: Auto-negotiation is not displayed in 'show interfaces' command output. PR1909608

  • On-change telemetry events dropped when l2ald telemetry queue memory limit is not configured. PR1914423

  • snmp mib walk DomCurrentLaneAlarms does not show proper lanes Values in the latest builds. PR1886889

EVPN

  • EVPN routes take longer to install into the FIB after being learned via BGP. PR1893671

Forwarding and Sampling

  • Filter name mapping error in routing instances with attached firewall filter. PR1889028

  • Memory leak in FPC during login/logout. PR1890097

J-Web

  • Junos OS: J-Web: Multiple vulnerabilities resolved in PHP software (CVE-2023-0567, CVE-2023-0662, CVE-2023-3823, CVE-2023-3824, CVE-2023-0568). PR1725808

Network Management and Monitoring

  • Syslog forwarding intermittently stops post DUT reboot on virtual devices. PR1853209

Routing Protocols

  • BFD sessions will not come up on Junos OS and Junos OS Evolved platforms due to keychain names overlapping. PR1912250

User Interface and Configuration

  • The mgd process crash is seen on all Junos and Junos Evolved platforms when FQDN is configured along with ephemeral database. PR1878430

  • J-Web EX app-package upload fails via web interface on EX series running Junos 25.1/25.2. PR1887595