Resolved Issues

Learn which issues were resolved in the Junos OS main and maintenance releases for EX Series switches.

For the most complete and latest information about known Junos OS defects, use the Juniper Networks online Junos Problem Report Search application.

Infrastructure

On ARM64 platforms such as EX4100 devices, if a live vmcore gets attempted to be created, the DUT might get stuck and reboot. PR1656625

Layer 2 Ethernet Services

DHCP packets might not be sent to the clients when you reconfigure forward-only under the routing instance. PR1651768

Network Management and Monitoring

Memory might leak in eventd leak during GRES. PR1602536
The snmpd process might crash if the SNMP timeouts. PR1666548

Platform and Infrastructure

Traffic gets dropped after chassis-control restart when filter gets attached. PR1615548
GARP reply does not update the ARP entry even though you configure the gratuitous-arp-reply option. PR1644616
IRACL filters more than 64 might not work on the IRB units. PR1653216
The dc-pfe process might crash due to the VCCP flap. PR1655530
Junos upgrade might fail due to a storage issue in the /var/tmp directory. PR1659460
On EX4300 devices, high CPU utilization appears with the following log message: /kernel: %KERN-3: i802_3_slow_recv_input:oam/esmc PDU dropped PR1661332
Traffic flow gets affected as interfaces gets removed from VLAN. PR1675861
On EX4300 and EX4300 Virtual Chassis, the fxpc process crash might. PR1675977
The EX2300 devices might unexpectedly drop VOIP VLAN traffic after reboot. PR1633883
IPv6 route advertisement sent on management interfaces might cause other devices to fail to get the DHCVP6 address. PR1635867
DHCP snooping table might fail on all Junos platforms to populate MAC address after a VLAN change. PR1637380
With SFP+-10G-CU3M DAC, link is up on EX4100-48P devices even though admin is down on peer. PR1640799
On EX4100 devices, the class-of-service buffer-size exact configuration. PR1644355
On EX4300, EX3400, and EX2300 devices in Virtual Chassis (VC) scenario, traffic loop might occur due to STP ports not created in the new primary Routing Engine after switchover due to reboot of the primary Routing Engine. PR1647000
DHCP traffic might be dropped when you enable DHCP-security and RTG. PR1647209
On EX4100 devices, non existing et-* interfaces details gets exported for PIC 2 for JTI server. PR1647661
On EX4100 Virtual Chassis, ping does not work for some IRBs after the primary reboot and traffic loss occurs. PR1648310
On EX4100 devices, Jvision FAN and power supply names do not match with CLI . PR1648739
The Virtula Chassis port might not be formed automatically. PR1649338
L2PT configuration on a transit switch in a Q-in-Q environment breaks L2PT. PR1650416
On EX9251 devices, reboot reason gets displyed as 0x2000:hypervisor reboot instead of 0x4000:VJUNOS reboot when you reboot Junos OS. PR1651721
On EX4100 devices, incorrect trap gets generated after removal of fan0 in FPC4. PR1652388
The inner tag (C-tag) value might get modified to zero for egress traffic when the inner tag values are copied to the outer tag (S-tag). PR1652976
L2PT might not work for the aggregated Ethernet interfaces in the Q-in-Q environment. PR1653260
On EX4100 devices, enabling port beacon led functionality not working using port-range. PR1653426
Additional debug logs might get printed onto device console, when device boots from a bootable USB. PR1653499
On EX4100 devices, for port in 0-23 with 100m/10m speed applied AN parameters and link-mode displays HD while in the Paket Forwarding Engine link-mode displays as full-duplex. PR1654671
Port mirroring traffic does not get flooded on the expected interfaces. PR1654812
On EX4100 devices, partial traffic drops on the Virtual Chassis after the Routing Engine switchovers from primary to back up with NSR/NSB. PR1655052
The egress traffic does not get tagged properly in a L2PT scenario. PR1655511
Few EX device does not generate huge ICMPv6 messages. PR1655654
All Slaac-snooping entries learnt on an IFL gets deleted when an IFBD gets deleted such that IFL is member of more than 1 VLANs. PR1655913
Filter-Based Forwarding filter might not work as expected. PR1656117
The interface might not come up. PR1656540
On EX4100 devices, half-duplex configuration does not get applied on interfaces for members fpc 1 and above, applied only for member 0 interfaces. PR1656587
On EX4400 devices, an incorrect PEM alarm gets raised. PR1658049
Port or MAC gbp tags might not be carried forward to the spine. PR1659384
Packet count gets displayed as 0 for some interfaces in when you use the monitor interface traffic command. PR1661617
On EX4400-48MP devices, link activity LEDs on ports 0-35 are always lit. PR1662288
The fxpc process might crash with the RPF check enabled. PR1662508
SSH traffic might be affected when you use the filter log action. PR1663126
MAC address learning failure and traffic loss might be observed on VXLAN enabled ports with native-VLAN configured. PR1663172
MAC addresses learned on the RTG interface does not aging out. PR1664955
On EX4300-48MP Virtula Chassis, NSSU aborted with the backup Routing Engibe might be in the Inconsistent state. PR1665562
MAC-IP bindings for IPv4 (ARP) and IPv6 (ND) might not be processed for IRB interfaces in an EVPN scenario. PR1665828
High numbers of PDs connected might result in high CPU utilization. PR1667564
Shaping-rate does not take 20 bytes of overhead into account. PR1667879
On EX3400 devices, MAC radius authentication without restrict option updates the authenticated VLAN information before the client authentication. PR1668144
The chassisd memory gets corrupted and the chassisd gets crashed. PR1672039
VLAN translation programming gets deleted from the Packet Forwarding Engine upon deleting the member interface for LAG. PR1676772

Virtual Chassis

On EX4600 and EX4650 devices, line card might be disconnected from Virtual Chassis post primary Routing Engine reboot. PR1669241