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Resolved Issues

Learn about the issues fixed in this release for ACX Series routers.

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

Class of Service (CoS)

  • Duplicate code points through code-point-aliases under a classifier results in cosd crash. PR1766873


  • Traffic drop is observed in EVPN-VXLAN CRB scenario. PR1734091

General Routing

  • [jdhcpd] Multiple DHCP release packets sent to the DHCP server in IRB VGA with EVPN/MPLS ERB model.PR1693625

  • Timingd process crashes and core file is generated with PTPoIRB configuration when the IRB interface is not linked to any interface. PR1701122

  • On all ACX7509 Junos OS Evolved platforms, after multiple FPC restarts occasionally MAcsec sessions are stuck down and requires a reboot to recover. PR1701941

  • On all Junos Evolved platforms, after changing the IS-IS LSP maximum size to a lower value and apply a Routing Engine switchover a fibd core file is observed. PR1710227

  • Junos OS Evolved: ACX: [Error] RT : Cleaning up 1 acks without processing. PR1713005

  • BFD sessions are impacted when the logical interface is being repeatedly shut or no shut. PR1715008

  • ACX7100-32C Junos OS Evolved: Router does not reply to RS message with VXLAN. PR1720541

  • Inline BFD packets are sent to egress Q0. PR1721356

  • Occasional FPC crash and traffic loss is observed with a scaled number of FIB routes. PR1722270

  • Post changing MCAE mode from Active-Active to Active-Standby causes incomplete object state and system. PR1722626

  • /lib/systemd/system/docker.socket is marked executable logs flood after system reboot. PR1727524

  • Getting false alarm Optics does not support configured speed for 1G SFP-LX. PR1733956

  • ACX7509: Interfaces might not come back after primary FEB is restarted (from CLI) with 1GE interfaces present. PR1734506

  • ACX7024 sZTP: System not bootable after request system zeroize. PR1740989

  • When hierarchical-scheduler is setup, the inline IPv4 BFD session on ACX7024 is flaps. PR1735836

  • Control plane takes a long time to learn the multicast routes (scaled scenario). PR1736171

  • Traffic congestion on control plane in Junos OS Evolved ACX platforms. PR1736892

  • MPLS tunnel creation failure is observed post continuous network / route churn / IGP flaps on Junos OS Evolved based ACX Series platforms PR1739112

  • Junos OS Evolved:ACX7024: generates a core file at IO_new_file_underflow (fp=0x7f584a4917e0 <_IO_2_1_stdin_>) at libioP.h:948 PR1739175

  • On all Junos Evolved platforms which use fan tray and fan tray controllers both, FTC X FTC FPGA minimum supported firmware version mismatch alarm raised with FTC OIR. PR1739842

  • DHCP daemon jdhcpd does not start in the new primary Routing Engine after GRES is performed. PR1740530

  • IFD does not not come up whenever optics is removed and inserted on all Junos OS Evolved platforms.PR1742772

  • Transient multicast traffic drop on ACX Series Junos OS Evolved device. PR1742792

  • Due to the split-horizon filter mis-programming (or lack thereof), BUM packets can loop around between ESI LAG peers, sending multiple copies down to the host. PR1744725

  • Traffic loss observed on interface using ethernet-switching interface-mode trunk. PR1745163

  • Traffic loss observed in scenario where default route is received over multiple paths with link protection. PR1747512

  • Traffic loss due to unknown multicast control packets get dropped in non-default VRF. PR1748231

  • ARP dependency issue causes issue between IRB and the device. PR1751006

  • EVPN MPLS: ARP/ND: Does not get resolved in vlan-based EVPN service. PR1751135

  • Memory leak due to MAC moves or any operation contributing to the changes leads to MAC route changes. PR1756208

  • BFD sessions go down on BFDD restart with 1k Scale BFD configuration. PR1757649

  • Layer 2 loop can be seen on Junos OS Evolved ACX Series platforms after reboot. PR1765507

  • BFD sessions go on BFDD restart with scale 1k and above BFD sessions. PR1767297

  • In the scaled Layer 2 circuit configured with Layer 2 circuit redundancy configuration, traffic drops might be observed. PR1775809

  • PFE crash seen on Junos OS Evolved platforms due to upstream interface change. PR1771209


  • Junos OS Evolved devices might lose remote access in certain scenarios. PR1719603

Platform and Infrastructure

  • RFC2544 in VRF instance [l2vpn/evpn-vpws] does not accept routing-instance value in Operational CLI.PR1696146

User Interface and Configuration

  • The system might ask for password while saving configuration files on single Routing Engine platforms. PR1665008