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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
ACX-5448: PPS values seen on interface even when it is in disabled state. PR1685344
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
Traffic loss is more than expected with OSPF TI-LFA node- protection enabled and the primary path is down. PR1695292
Traffic drops seen after making COS configuration change on ACX710. PR1704589
[interface] [acx_ifd] ACX7100-32C :: Can we unhide
set chassis cb
since we need customer to set CB temperature thresholds. PR1705035L2VPN traffic is dropped as the default MTU is less by 4 bytes. PR1707932
The member interface will not be added to the AE bundle if the link-speed of the AE interface does not match that of the member. PR1713699
The traffic through the AE member link will be dropped. PR1714111
SFP-T cannot be recognized after detecting an I2C error on ACX5448. PR1715924
SNMP MIB OID output showing wrong temperature value if device running under negative temperature. PR1717105
L3VPN traffic loss and PFE errors can be seen after an LSP Flap. PR1719507
The Forwarding Engine Board (FEB 0) crashes and impacts traffic when the L2circuit IGP primary path port is down. PR1720827
The multicast packets could hit the CPU/RE on ACX5448 and ACX710 platforms. PR1722277
Intermittent MAC move is observed in VPLS environment when ACX5448 or ACX710 is acting as a PE device. PR1722919
Traffic is getting discarded in PFE when forwarding-table is changed. PR1723624
Media MTU of ACX5448 will be 4 byte larger for transit packets. PR1724750
[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
The IPv4 classification and EXP remarking might not work as expected in the IP-MPLS scenario. PR1732509
After issuing clear VPLS mac table command preceded with clear MPLS statistics command execution on ACX routers, traffic loss is observed with the failed error message. PR1734600
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
EVPN routes does not work properly when resolution preserve-nexthop-hierarchy is enabled. PR1746964
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
The rewrite rule stops working when classifier is attached to wildcard IFL. PR1753411
ACX:COS: 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
Traffic convergence is longer than usual after the CoS rewrite. PR1770491
MPLS
The rpd process crash is observed when RSVP LSP at Juniper transit/ingress router receives RESV message with RESVCONF object in multi vendor deployment. PR1723229
Platform and Infrastructure
TCP window scaling might be not applied to the first TCP packet sent to the client after the three-way handshake, leading to unnecessary segmentation. PR1761242