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Open Issues

Learn about open issues in Junos OS Evolved Release 21.2R2 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

  • On the ACX7100-48L platforms running Junos OS Evolved, you cannot clear or reset the disk option specified in the scheduled request node reboot command. The node reboots with the disk option last specified. PR1517596

  • In Junos OS Evolved 21.1R1, BFD is not supported for ACX7100. The error message Invalid RPC request key: 0x000a0000 is seen when BFD is configured and the respective BFD session comes up. PR1552436

  • 400G DAC could not come up between ACX7100-32C and ACX7100-48L. ACX7100-32C uses vendor's PHY, ACX7100-48L uses another vendor's ASIC. When connecting ACX7100-32C to ACX7100-48L with 400G DAC, auto-negotiation and link training between these 2 vendors have issues, that results in link failure. PR1560431

  • 4x400G FPC is supported only FPC Slot 1 and FPC slot 5. 4x400G FPC plugged into any slot would bring FPC online, but links will comeup only in FPC1 and FPC5. Plugged into not supported slot - will not allow FPC to come online and alarm will be raised. 16x100G FPC, 20xSFP56 FPC, 4x400G FPC - they are not supported in FPC slot 8(9th slot). Not bringing these board online and raise alarm. PR1582183

  • A restart of DHCP takes more time because of internal issues with the SIGTERM event. PR1610229