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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 defects, use the Juniper Networks online Junos Problem Report Search application.

General Routing

  • Delegated BFD sessions configured on routing-instance might fail to come up. PR1633395

  • For ACX5448 device, if a non-default ssh port is configured for system login, after upgrade to 21.4 release, the FPC is stuck in offline. PR1660446

  • Na-grpcd process core observed in telemetry services. PR1665516

  • Inline BFDv6 sessions might go DOWN and stay in that state on ACX5448 and ACX710 devices. PR1666746

  • Traffic loss is observed when the VRRP is configured over the aggregate Ethernet interface. PR1666853

  • New BFD sessions will not come up on ACX5448 and ACX710 devices due to continuous flaps. PR1670684

  • The LLDP packets will not be transmitted over l2circuit on the ACX platform. PR1678752

  • Memory leak is seen on ACX710/5448 when the core link flaps. PR1681980

  • The traffic drop would be observed with inter-vlan configuration when deactivating and activating the EVPN routing instance. PR1683321

  • On Junos OS ACX platforms the IP packets with VLAN tags do not get a response when sent out on the IRB interface in a certain condition. PR1683770

  • ACX5448:ACX710 L2Circuit traffic drop with control-word enabled or control-word configuration change. PR1683900

  • ACX710 : Auto-mdix is not working in ACX710. PR1685431

  • Traffic null route during l2circuit pseudowire redundancy neighbor switchover. PR1686260

  • The subscriber-management-helper is thrashing, not restarted, messages seen on ACX5448. PR1688107

  • The jdchpd core seen with dhcp-snooping persistent configuration. PR1688644

  • The LACP would get stuck in a continuous update loop in the MC-LAG scenario. PR1688958

  • EVPN packets might go to incorrect queues due to the wrong classification and might lead to packets drop during congestion. PR1689604

  • Packet forwarding fails on specific ACX Junos OS platforms due to flapping of core interface member link in the MPLS-EVPN environment. PR1690590

  • PCS errors and framing errors on 100GE interfaces on certain Junos OS platforms. PR1692063

  • [interface] [acx_ifd] ACX7100-48L :: 400g-ZR-M link is not up between storm-01 and wolverine-01 due to Optics Over Temperature Shutdown. PR1698342

  • On ACX5448 devices, an interface with SFP-T optic set to 100m and auto-negotiation disabled will remain down after reboot or on chassis-control restart. PR1702239

  • CoS rewrite rules will not work in L3VPN scenario. PR1703840

  • SNMP MIB OID output showing wrong temperature value if device running under negative temperature. PR1717105

Interfaces and Chassis

  • Incompatible or unsupported configuration is not getting validated correctly during ISSU/normal upgrade causing the traffic loss. PR1692404

Routing Protocols

  • Wrong SR-TE secondary path weight makes the secondary path active in forwarding table. PR1696598