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Resolved Issues

Learn about the issues fixed in this release 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.

General Routing

  • fxpc daemon core file is generated on Junos OS EX4400 platforms in a virtual chassis setup with HGoE mode. PR1682960

Forwarding and Sampling

  • The device uses the MAC address of the IRB interface even after configuring static MAC for a default gateway. PR1700073

Interfaces and Chassis

  • The Unicast traffic is dropped on EX4600 Virtual Chassis. PR1695663

  • Traffic loss would be observed when VRRP VIP is removed and added back as a local IP in the same IFL in a single commit. PR1687826

Layer 2 Ethernet Services

  • DHCP packets might not be sent to the clients when you configure forward-only under the routing instance. PR1689005

  • Phone-home and SZTP might fail if phone-home daemon restarts. PR1693124

Platform and Infrastructure

  • Traffic drop seen and filter not hitting as expected for match condition traffic class with FLT option configured. PR1573350

  • The interface on the device will go down when one or more interfaces are connected to the Advantech3260 device at another end. PR1678506

  • The DHCP offer packet failed to send back to the client leaf from the server leaf. PR1698833

  • On EX4300-48MP I/O devices, accesses disk fails. PR1720335

  • On EX4100 devices, the MACsec interface statistics of encrypted/decrypted bytes do not increment further after reaching a 40-bit limit. PR1658584

  • On EX4100 and EX4100-F Virtual chassis, the non-existing PIC ports are seen in jvision queries. PR1681673

  • fxpc daemon core is observed on Junos EX4400 platforms in a Virtual chassis setup with HGoE mode. PR1682960

  • EX/QFX SNMP: jnxOperatingDescr.1.1.0.0 returns blank, but jnxOperatingState.1.1.0.0 returns value. PR1683753

  • The EX4100 and EX4100-F devices, on configuring console "logout-on-disconnect", password configuration via console does not work. PR1686364

  • Traffic loss is observed in IP fabric when there is a change in the underlay network. PR1688323

  • The FPC crash would be observed when the same CoS configuration is applied with wildcard for all the physical interfaces and aggregated Ethernet interface. PR1688455

  • jdchpd core seen with dhcp-snooping persistent configuration. PR1688644

  • A self-ping blackhole is seen along with fmpc process crash in a rare scenario causing traffic loss. PR1692365

  • Few uplink ports of EX2300-48MP devices does not come up. PR1692579

  • DHCP binding fails after dot1x authentication in EVPN-VXLAN network. PR1693967

  • The l2cpd telemetry crash would be observed when the LLDP Netconf notification from external controllers along with Netconf services configuration is present on the device. PR1695057

  • Traffic loss is seen when a MAC moves from dot1x port to non-dot1x port. PR1695771

  • Traffic forwarding fails when deleting all L2 related configurations. PR1695847

  • Adding more than 256 VLANs as name tags on the same interface results in dcd crash. PR1696428

  • Transceiver not detected after it's unplugged and plugged in again. PR1696444

  • Network port status LED will go off in Duplex mode. PR1696940

  • Dot1x authentication failure for EVPN VXLAN enabled port. PR1697995

  • Adaptive sampling will not work if the system clock is turned backward. PR1699585

  • TCAM space might be exhausted when learning DHCP snooping entries on a trusted port. PR1699777

  • The BFD session will remain in init/down state in the Virtual Chassis scenario. PR1701546

  • The PXE BIOS recovery fails on EX9204, EX92049208, and EX92049214 Virtual Chassis setup. PR1704457

  • Traffic drops observed with hierarchal overlay ECMP configuration. PR1704470

  • Traffic gets silently discarded in the event of a link failure (Rx LOS) for 1GE-SX/LX optics. PR1705461

  • EAP authentication might not be successful with 802.1X server-fail configuration. PR1705490

  • Alarms were not generated as expected when the Management Interface Link was down. PR1706116

  • Layer 3 forwarding issues for IRB. PR1706845

  • The PoE firmware upgrade fails on EX4400 devices. PR1706952

  • In a Virtual Chassis scenario, sometimes the alarms raised on the line-card or backup Routing Engine might not show on the primary Routing Engine. PR1707798

  • QSFPs are displayed as UKNOWN after the upgrade. PR1708123

  • License expire error will be observed after upgrade. PR1708794

  • The link does not come up after PIC offline and online operation. PR1710793

  • When a 100G transceiver is used as a VC port, the VC port will either not come up or come up as 40G. PR1711407

  • A dot1xd crash is seen on EX2300 devices. PR1711422

  • MACsec dynamic CAK not working due to interoperability issue. PR1711561

  • On EX4650 devices, jnxOperatingDescr.1.1.0.0 is populated with blank. PR1714056

  • On EX4400 devices, the Link/Activity LED is not lit when it transits to the factory default configuration by pressing the Factory Reset/Mode button. PR1714116

  • Traffic loss occurs on the RTG bound interface. PR1715518

  • The interface phy of PIC 0 comes up causing traffic loss while the device boots/reboots. PR1715680

  • The EX4100MP (PSE) device does not allocate a power value requested in LLDP by Mist AP devices like AP12, AP32, AP33 and AP43 (PD). PR1716261

  • MMAS flag does not reset after interface recovers due to l2-learning restart. PR1716270

  • The link remains down on connecting the transceiver 10GBASE-T with the serial number starting with "2P1". PR1716703

  • The set forwarding-options evpn-vxlan shared-tunnels command are not available for EX92XX devices. PR1716881

  • On EX4400-2400 devices, the DHCP Security ARP statistics are not as expected after DHCP binds. PR1718286

  • Factory default configuration does not have rstp enabled for uplink ports. PR1719509

  • DHCP OFFER not received at the client for DHCP packets that have extra padding. PR1675316

  • EX4300-48MP: :Interface operational states shows up even when interface as made down administratively. PR1701444

  • PoE does not work as expected. PR1705212

  • BFD flaps will be seen on EX4400 platforms. PR1707762

  • Commit convergence gets delayed with a scaled VLAN setup on EX platforms. PR1710219

  • Certain EX platforms with option-18 configured may hinder the DHCPv6 process. PR1710360

  • On EX4400 and EX4400-24X platforms, BIOS upgrade is not getting successful via CLI. PR1715258

  • The fxpc daemon crash is observed on Junos EX4400 platforms in a Virtual chassis setup with HGoE mode. PR1718316

  • [EX4400]Alarm PEM is not supported/powered might be seen. PR1718825

  • EX4400: Flow control shows as disabled at pfe, even after enabling it. PR1724188

  • Traffic loss will be observed with vlan tagging and/or vlan normalisation in a specific design (using a looped cable). PR1724675

  • On certain Junos EX and QFX platforms the static ARP entries for DHCP-security are not present. PR1724933

  • EX4400: FPC temperature value is exported incorrectly as 0 in Telemtery server. PR1726532

  • Programming of native-vlan-id on the interface fails and MAC is not learned. PR1727112

  • EX4400 VC: During upgrade/reboot , fxpc core may be seen in a very rare race condition. PR1728725

  • EX4400: Some log messages may get flooded in heavily loaded system. PR1731345

  • The traffic drop will be observed after changing the VSTP VLAN configuration. PR1731522

  • The fxpc process crashes when the next hop information is not properly maintained in the PFE table. PR1731548

  • 25G DAC in 4x25G plugged in PIC2 does not come up when used as VC ports. PR1738535

Routing Protocols

  • A crash might occur for the mcsnoopd process when the VLAN name for igmp-snooping has certain characters. PR1711153

  • The mcscnoopd process will be stuck in resync state after snooping configuration is deleted and added again immediately. PR1699784