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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.

Platform and Infrastructure

  • TCP window scaling may be not applied to the first TCP packet sent to the client after the three-way handshake, leading to unnecessary segmentation. PR1761242

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

  • Interface queues display incorrect values of default reserved buffers PR1689183

  • dc-pfe: HEAP malloc(0) detected! when a VPLS instance is deactivated in ACX5048. PR1692400

  • Link is not going down physically while disabling the l2circuit configured interface on Junos based ACX5448 platform PR1703935

  • L3VPN traffic loss and PFE errors can be seen after an LSP Flap. PR1719507

  • [ACX5048] L2circuit might drop forwarding traffic after flaps although it's in UP state; acx_rt_ccc_eth_vpws_vpn_uni_port_add:UNI VPWS port_add failed AC-IFL: VPN: (-15:Invalid configuration) PR1726711

  • A panic reboot will be observed due to deadlock on VMhost platforms. PR1727985

  • Traffic drops on certain ACX platforms after it is upgraded. PR1731081

  • EVPN instance traffic will be dropped when hierarchical-scheduler is enabled on the CE interface. PR1732124

  • The IPv4 classification and EXP remarking might not work as expected in the IP-MPLS scenario. PR1732509

  • Crash on all Junos VMhost platforms due to deadlock panic. PR1735843

  • Traffic loss in ACX710 and ACX5448 on any-mpls unicast nexthop protocol configuration PR1742960

  • [TWM Clocking Solution] - chassis clock status should not move to "holdover" while switching between PTP path alone. PR1745604

  • QSFP interfaces show additional flap during PFE bringup. PR1747140

  • The memory consumption increases due to memory leak. PR1747992

  • Interfaces fail to come online post upgrade. PR1750814

  • Default ieee-8021p classifier not working for UNI interface for Layer 2 services. PR1756150

  • Interface flaps leading to PFE crash due to FPC heap corruption. PR1764083

  • On ACX710 and ACX5448 devices with hierarchical-scheduler on CE interfaces, the EVPN ETREE Leaf to LEAF communication is allowed. PR1765486

  • On ACX5448 and ACX710 with hierarchical-scheduler LACP packets are not being sent after chassis reboot. PR1765478