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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

  • TSC_DEADLINE disabled due to Errata; please update microcode to version: 0x3a (or later) seen upon upgrade to 21.4 PR1608045

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

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

  • 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

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

  • MPC line card crashes while ISSU to Junos OS Release 24.2 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

  • Watchdog SPI transaction is causing the interface flap in the system. PR1789272

  • 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 config 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

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

  • 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

  • DHCP clients are not receiving IP address. PR1776451