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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

  • JDI_REG::QFX5200:: After ISSU upgrade, device is hanged and not able to perform any operations until USB recovery done on device PR1703229

  • EX3400: "Error:tvp_optics_eeprom_read: Failed to read eeprom for link" syslog error message PR1757034

  • Establishing virtual-chassis connection between EX4300-MP platforms, the traffic sent via the VCP port is lost minimally PR1805100

  • [interfaces] EX4100-H-12MP : :: Rampur: "dc-pfe[22751]: BCM Error: API bcm_plp_mode_config_get(phy_name, plp_info, &speed, &intf_type, &r_clk, &if_mode, &aux) at tvp_bcm_mgig_phy_basic_init:433 -> -25 " Error message is seen during image upgrade PR1812228

  • Packet drops when jumbo frames forwarded through ge interfaces configured for 10/100Mbps speed PR1812891

  • Complete packet loss will be observed for the inter-VLAN traffic in EVPN-VXLAN CRB scenario PR1820830

  • Protocol traffic drops were seen in the network for any configuration change in the protocol PR1823601

  • Interface goes down after a dc-pfe (Data Centre Packet Forwarding Engine) process restart in a Virtual Chassis environment on EX4400 platform PR1823688

  • The SFP 10GBASE-T part No. 740-083295 on platforms running Junos/Junos EVO is unable to detect a linkdown PR1823771

  • Random ports of EX4400 will not be created on upgrade or reboot PR1825281

  • On an EX4400 device with 4x25G Uplink module configured in 1GE or 25G speed, peer side of an interface with 10GBASE-T transceiver may remain up even when the IFD(xe-x/2/y) is not created PR1831409

  • EX2300/EX3400 : The status LED of uplink port is not working properly PR1833177

  • Continuous increment of tcpAttemptFails counter on Junos EX2300 and 3400 PR1839618

  • Delay in GBP installation in an EVPN-VXLAN scenario PR1839916

  • PFE process crash is observed when web-management is not configured in a CWA setup PR1840988

  • TDR test can cause a CPU hog and result in BFD flaps PR1841117

  • Junos OS and Junos OS Evolved: Receipt of a specifically malformed DHCP packet causes jdhcpd process to crash (CVE-2025-30648) PR1842682

  • Media Access Control Security (MACsec) does not work properly after a transceiver is removed and re-inserted PR1844354

  • EX4100 looses connectivity with the directly connected management port of QFX5120-48Y series platform PR1844709

  • Lane laser temperature value is incorrectly displayed in the snmp query PR1844751

  • The push pop function on the QFX5120 and EX4650 is not correctly pushing the VLAN PR1844853

  • PEM mismatch alarms vanished after performing system reboot on member PR1845365

  • Interface not added back to AE bundle with multiple changes in single commit PR1845370

  • The error message will be seen on EX4100 platforms when deactivating/activating IRB interfaces PR1846286

  • Memory Leak: Memory leak is detected with rpd task blocks "rpd-trace" PR1846294

  • Reachability issues are seen on interfaces that are aggregated without address-family PR1847159

  • Junos EX platform will display multiple intermittent Fan overspeed alarms PR1848292

  • EX4400: Storm-control is created for the GE interfaces for 4x10G uplink modules. PR1848338

  • IGMP snooping stops working after reboot PR1848764

  • Handling AE Child Members, VT port properties reset when Access Port is destroyed PR1849952

  • EX4400 uplink ports (PIC 2) with the 4x25G uplink module may go down when SFPs (SFP+-10G-BX10-D/U or SFP+-10G-BX40-D/U) are inserted. PR1849992

  • EX3400 Dot1x Radius accounting send incorrect value to the server for Acct-Input-Gigawords/ Acct-Output-Gigawords PR1851299

  • The l2ald process crash is observed when same Type 5 MAC-IP received with same IP and different MAC PR1852019

  • VoIP Phones are unable to receive an IP address with or without dot1x configuration PR1852215

  • Devices fail to obtain an IP address when DHCP Security Option 82 is enabled PR1854253

  • In Junos EX and QFX platforms, when ERPS protocol is enabled on a ISL trunk, the commit command fails PR1855088

  • PoE ports go down when only PSU in slot 1 is connected PR1855409

  • Traffic drop observed due to ECMP next-hop programming issue PR1855990

  • Error logs : "PFE_BRCM_COS_HALP_ERR: BRCM_COS_HALP" are observed and CoS not working on EX2300 switches PR1856201

  • Port mirroring fails due to mismatched analyzer and outgoing interface configuration PR1856361

  • L2ald process crash is observed upon executing hidden command "show ethernet-switching debug-statistics fast-mac-update" in case the command doesn't have any output PR1864295

  • STP/MSTP/RSTP/VSTP convergence issue due to BPDU drop by l2cpd PR1864371

  • Default Route configured with Discard Next Hop on PFE instead of ECMP Next Hop after reboot PR1867562

  • Traffic will be dropped due to IPv4 header checksum mismatch on EX4400 platform PR1870016

  • RPD might crash when upgrading using no-validate. PR1870183

  • Inserting any unsupported optics in 4x25G ULM will cause any port on the ULM to go down PR1877524

Infrastructure

  • Junos OS: A local attacker with shell access can execute arbitrary code (CVE-2025-21590) PR1872010

Layer 2 Ethernet Services

  • Unable to assign an IP address on management interface with DHCP configuration even if DHCP is bound after a power cycle PR1854827

  • DNS resolution will fail for DNS entries written to "resolv.conf" PR1872292

  • AE member not able to discover lost LACP peer connection leading to traffic black-holing PR1874126

Platform and Infrastructure

  • Traffic drops after link flap on active-active ESI setup with MAC pinning enabled PR1846365

  • User root is shown as incorrect after power cycle of the device PR1855393

  • STP/RSTP/MSTP/VSTP enters a disputed and blocked state when the anchor FPC of an AE link, with members distributed across multiple FPCs, goes offline PR1870522

Routing Protocols

  • Memory leak is seen when BGP is activated and deactivated PR1849027

  • BGP queue deadlock on Junos/Junos OS Evolved/cRPD platforms leading to route advertisement failure and traffic loss PR1860786

  • Disabling the PIM interface underneath the [edit protocols pim interfaces <intf-name>] hierarchy may still show PIM as still being UP instead of DOWN. PR1857699

User Interface and Configuration

  • Unexpected issues such as login failures or disabled interfaces observed following abrupt reboot during commit operation PR1861063

  • The show system storage command output should show only true and distinct storages. PR1873253