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Open Issues

Learn about open issues 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.

General Routing

  • ACX7509: some of the interfaces from 16x100G and 20XSFP56 do not go down after evo-pfemand restart. PR1592388

  • syncE to PTP and syncE to 1pps transient response marginally fails. This happens when the servo gets the initial 100ns jump in one measurement window and the next 100ns in the next measurement window adjusting less initially. PR1611848

  • On ACX7024 ::Pseudo wire setup and tear down rate might be low. This is due to system CPU limitation.PR1659593

  • When TCP Main and TCP remain attached together on physical interface, it is observed that improper scheduler MAP gets configured on HQoS physical interface while sched params modification and bind are performed on same commit. This is a sequence issue from CoSD (Routing Engine) which not guaranteed at Packet Forwarding Engine side. And this applicable for all platforms.PR1664785

  • If a FEB goes to fault state due to a power-fault (real or artificially triggered for testing), then the subsequent FEB offline can take a few minutes (instead of completing within a minute for a normal offline). There is no other collateral due to this. A FEB online subsequent to the delayed offline will work normally and the FEB will become fully functional again.PR1671719

  • HQoS - VoQ Stats issue during scaled configuration with congestion. When a system is configured with maximum allowed TCP on an IFLs across IFD, and all VoQ traffic is congested, Its expected that, VoQ queued counters & dropped counters won't show valid information. Reason : At some point of time, limited/No guaranteed buffer available to process further packets, Hence, packets will be dropped well before reaching VoQ. This is working as per hardware design.PR1674669

  • For the BGP configuration always establish BGP neighbour over loopback address of remote device.PR1693801

  • On Junos OS Evolved platforms, any UI (user interface) set (configuration, script, license) changes done post software addition were being lost after the subsequent reboot. PR1699699

EVPN

  • On all platforms, MAC-IP route deletion and addition are triggered when re-ARP (Address Resolution Protocol) on MH (Multihoming) device fails in the EVPN-MPLS multihoming scenario resulting in traffic drop.PR1691132

User Interface and Configuration

  • The system might ask for your password when you are trying to save configuration file.PR1665008