Resolved Issues: 21.4R2

The uplink interface remains down for a longer duration due to VXLAN scaled configuration. PR1631448

Few ARP/ND/MAC entries for VLANs are missing with MAC-VRF configuration. PR1609322

IRB proxy-arp unrestricted might not work if EVPN/l2alm proxy is enabled. PR1613201

Multiple memory leaks might be seen leading to rpd process crash. PR1626416

The MAC address might not be visible in the EVPN/VXLAN environment. PR1645591

FIPS mode is not supported. PR1530951

When soft loopback port and analyzer configurations are committed together, mirror ingress to local port is not working . PR1581542

During FRR, when more than one multi home interface is down, traffic might loop for QFX5110. PR1596589

Error message "error: syntax error: request-package-validate" will be seen on device CLI output during non-stop software upgrade. PR1596955

The dcpfe/FPC process might crash on the QFX10000 Series platforms in a rare case. PR1597479

The interface on SFP-T or SFP-SX might stop forwarding traffic on EX4600. PR1598805

EVPN-VXLAN:QFX10008: RE1 went to DB prompt when tried loading profile configurations over LRM configurations. PR1598814

QFX5200: Observed dcpfe core file while testing unified ISSU from Junos OS Release 21.1R1.11 to Junos OS Release 21.2R1.7. PR1600807

Removing and adding Virtual Chassis ports might cause the FPC to reboot. PR1601557

InterDC traffic loss might be seen in MAC-VRF EVI with trap statistics "dlu.ucode.discard". PR1601961

Chassisd generates "Cannot read hw.chassis.startup_time value: m" every 5 seconds on QFX10008 and QFX10016. PR1603588

FPC might crash post firewall filter configuration changes in QFX Series platforms. PR1608610

The ports might remain in downstate on QFX5000 platforms. PR1611354

ARP resolution for data traffic received over type5 might fail. PR1612905

FPC might crash after the device restarts in EVPN-VXLAN scenario. PR1613702

Removing the optical module "JNP-SFPP-10GE-T" from a port might cause certain ports to go down. PR1614139

The BFD session might flap on the QFX5120-48YM platform. PR1616692

One-time interface flap might be seen on the QFX5120 platform. PR1618891

BGP session might not establish between loopback interfaces when routes are learnt through type5 EVPN routes. PR1620642

EVPN-VXLAN type5 traffic might fail on the Spine device of QFX1000. PR1620924

Host generated IPv4 traffic sent over IPv6 next-hop with IRB interface might get dropped. PR1623262

Interface on QFX5200 does not come up after swapping from 100G to 40G. PR1623283

MACsec session might flap if multiple logical interfaces are created on the single physical interface. PR1624524

PKID might crash and generate a core file when there is limited memory available on the Routing Engine. PR1624613

QFX5000 log messages: fpc0 SRIRAM Tx VxLAN Ucast: ifd_out = vtep dst_gport is (c00000X) are observed. PR1624925

Traffic loss might be observed after configuring VXLAN over IRB interface. PR1625285

The no-incoming-port statement is not applied after reboot on QFX10002 and QFX10008 platforms. PR1625988

The third 802.1Q tag might not be pushed onto the stack in the Q-in-Q tunneling. PR1626011

Routing Engine generated traffic might not be forwarded when next-hop is indirect unilist of EVPN type 5 tunnel. PR1627363

QFX10002-60C platform might not respond back to ICMP packets received with TTL or hop limit value of 1. PR1627566

Layer 3 traffic failure might be observed with scaled MC-LAG configuration on QFX10002, QFX10008, and QFX10016 platforms. PR1627846

Traffic loss might be observed due to Address Resolution Protocol (ARP) getting programmed as indirect next-hop by control plane for external routes distributed over IRB on QFX10000 Junos platforms. PR1627876

802.1p BA classification might not work on mixed Virtual Chassis when the interface has a DSCP and 802.1p classifier. PR1628447

DHCP inform ACK might be sent with broadcast address when DHCP smart relay is used. PR1628837

The vmhost crash might be seen in a rare condition when a route is added or changed. PR1629200

Some ports (port 20 and above) might not come up on QFX5110-32Q VC after the device restarts or Packet Forwarding Engine reboots. PR1629231

The interface on the peer device might remain up even after disabling the 10G interface on the Juniper device. PR1629637

Traffic might get dropped when family ethernet-switching is configured on the interface in Q-in-Q scenario. PR1629680

show interface extensive might not show local or remote fault. PR1629735

LACP timeout might be observed during high CPU utilization. PR1630201

QFX5000 : Chassis Status LED does not work as described in the document. PR1630380

Inner VLAN might be stripped off when input-native-vlan-push is disabled. PR1631771

The interface might remain in the "UP/UP" state even the interface is disabled for administrator. PR1632440

You might see a slow response or timeout on the CLI or SNMP with accessing to sxe-0/0/0 on QFX5120-48T-6c. PR1632620

The FBF filtered VLAN traffic will not be passed properly to the forwarding routing instances over aggregated Ethernet interfaces on QFX5000 platforms. PR1633452

Traffic loss after MAC ages. PR1633879

The VCPs connected with the AOC cable might not come up after upgrading to Junos OS Release 17.3 or later. PR1633998

Data might not be exchanged via EVPN-VxLAN domain. PR1635347

chassisd might crash if chassis disk-partition is configured. PR1635812

Traffic might silently be dropped or discarded when STP is configured in VxLAN environment. PR1636950

Configuring L2PT on a transit switch in a Q-in-Q environment breaks L2PT for other S-VLANs. PR1637249

Delay might be observed for the interfaces to come up after reboot or transceiver replacement. PR1638045

Targeted broadcast or WOL feature might not work on QFX5000 platforms. PR1638619

In a VCF scenario on QFX5100, VCP interfaces might flap or not come up at all and CRC errors might increase. PR1639543

MAC-move might be observed when dhcp-security is configured. PR1639926

MAC address of the hosts might get learned on incorrect VLAN which might lead to traffic loss. PR1639938

On QFX Series base license is missing after upgrading to Junos OS Release 20.3 and later. PR1640123

ICMP TTL exceeded packets are not sent out of the switch. PR1643457

Packets are dropped in ingress QFX5000 with EVPN-LAG multihoming due to VP-LAG programming issue. PR1644152

VxLAN tunnel termination due to change in configuration. PR1646489

The VCP link might take longer time to come up during system reboot/Packet Forwarding Engine restarts. PR1651316

show vrrp extensive does not show the next logical interface "Interface VRRP PDU statistics". PR1637735

Traffic loss might be seen for the MAC addresses learned on the ICL interface. PR1639713

MPLS VPN packets drop due to missing ARP entry on PE device. PR1607169

Unexpected traffic loss on LSP headend might be observed when downstream IGP metric changes. PR1625438

Traffic towards MPLS core file is not rerouted to alternate port on QFX5000 platforms. PR1627002

The packet drop might be seen on FPC on MX Series based platforms. PR1631313

The rpd process might get stuck at 100 percent when EVPN vrf-target is enabled and after any configuration change. PR1616167

Time delay to export prefixes to BGP neighbors might occur post applying peer-specific BGP export policies. PR1626367

The BFD session might go down when multiple addresses of same subnet are configured. PR1635700