- Introduction
- play_arrow Junos OS Release Notes for ACX Series
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- play_arrow Junos OS Release Notes for cSRX
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- play_arrow Junos OS Release Notes for EX Series
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- play_arrow Junos OS Release Notes for JRR Series
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
-
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
-
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
-
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- play_arrow Junos OS Release Notes for MX Series
- play_arrow What's New
- What's New in 21.2R3
- What's New in 21.2R2
- play_arrow What's New in 21.2R1
- Hardware
- Authentication and Access Control
- Flow-Based and Packet-Based Processing
- High Availability
- Interfaces
- Juniper Extension Toolkit (JET)
- Junos Telemetry Interface
- Layer 2 VPN
- MACsec
- MPLS
- Network Address Translation (NAT)
- Network Management and Monitoring
- Platform and Infrastructure
- Routing Options
- Routing Policy and Firewall Filters
- Routing Protocols
- Services Applications
- Software Defined Networking (SDN)
- Software Installation and Upgrade
- Source Packet Routing in Networking (SPRING) or Segment Routing
- Subscriber Management and Services
- System Management
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- play_arrow Junos OS Release Notes for NFX Series
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- play_arrow Junos OS Release Notes for PTX Series
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- play_arrow Junos OS Release Notes for SRX Series
- play_arrow What's New
- What's New in 21.2R3
- What's New in 21.2R2
- play_arrow What's New in 21.2R1
- Application Identification (AppID)
- Authentication and Access Control
- Flow-Based and Packet-Based Processing
- Interfaces
- J-Web
- Juniper Advanced Threat Prevention Cloud (ATP Cloud)
- Junos Telemetry Interface
- Network Management and Monitoring
- Software Installation and Upgrade
- Securing GTP and SCTP Traffic
- VPNs
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- play_arrow Junos OS Release Notes for vMX
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Upgrade Instructions
- play_arrow Junos OS Release Notes for vRR
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- play_arrow Junos OS Release Notes for vSRX
- play_arrow What's New
- play_arrow What's Changed
- Known Limitations
- Open Issues
- play_arrow Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- Licensing
- Finding More Information
- Documentation Feedback
- Requesting Technical Support
- Revision History
Resolved Issues: 21.2R3
Class of Service (CoS)
Transit packets from local to remote VTEP might get punted to CPU and cause DDoS events. PR1489233
The dcpfe core files might be seen in auto-channelization scenario or when SFP is plugged out. PR1616847
The uplink interface remains down for a longer duration due to VXLAN scaled configuration. PR1631448
EVPN
A 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 process rpd crash. PR1626416
The MAC address might not be visible in the EVPN/VXLAN environment. PR1645591
General Routing
Memory usage continuously increase is observed on backup chassis if subscriber service is enabled. PR1595238
Infrastructure
The alarm "Host 0 Active Disk Usage Exceeded" might be generated due to a large number of files under /var/log/journal which were held by the Eventd daemon. PR1601251
Layer 2 Ethernet Services
Enabling DHCP on Junos and Junos Evo platforms might cause the router's file system storage to get filled up with log files. PR1617695
Platform and Infrastructure
IPv6 link-local traffic is getting classified to firewall host this may affect communication on IPv6 link-local addresses. PR1600085
The packet drop might be seen on FPC on Trio based platforms. PR1631313
On the QFX5110 line of switches, the untagged traffic routed over native-vlan might be dropped. PR1560038
Multiple entries to vlan-id-list might not work in an EVPN-VXLAN scenario. PR1564403
The na-grpcd process might crash during longevity tests. PR1565255
MAC addresses might not be relearned successfully after MAC address age timeout. PR1567723
QFX10K2-60C: Disk missing alarms are not seen. PR1573139
When soft loopback port and analyzer configurations are committed together, Mirror ingress to local port is not working . PR1581542
QFX5000 series -
show route detail
might not show Next-hop type IPoIP Chained comp nh in the output (Display only - no operation impact) PR1584322The QFX5000/10000 device might get hanged after reboot for sometime. PR1584902
High FPC CPU utilization might be seen on PTX10002-60C/QFX10002-60C platform. PR1585728
The syslog ERROR message might be seen when deactivating Bridge domains/VLANs. PR1589138
QFX5210-64C - PSU jfirmware upgrade through Junos. PR1589572
The DCI InterVNI and IntraVNI traffic might be dropped silently in gateway node due to the tagged underlay interfaces. PR1596462
The l2alm fails to send IPC message to the l2ald which might cause the FPC to crash. PR1596615
Error message
error: syntax error: request-package-validate
will be seen on device CLI output during non stop software upgrade. PR1596955The 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
The SFP-T port might stop forwarding traffic on EX4600 platforms. PR1600291
The VCP might not form adjacency after rebooting the master FPC in Virtual Chassis scenario. PR1600398
QFX5200: Observed dcpfe core files while testing unified ISSU from Junos OS Release 21.1R1.11 to 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 stats "dlu.ucode.discard ." PR1601961
EVPN/VXLAN arp-suppression does not respond to ARP request when VLAN ID under interface (IFL) is different with VLAN ID under vlan (BD) in SP style. PR1602318
On QFX5120s, even after deactivating analyzer configuration, traffic is getting mirrored. PR1603192
Unicast DHCP packets might get flooded when DHCP relay is configured in non-default routing-instance. PR1603444
The carrier transition counter might not get incremented upon link flap after the reboot. PR1605037
On QFX5110 Virtual Chassis (VC) setup, removing and adding of VC ports might cause the VC ports to remain in down state sporadically. PR1606705
FPC might crash post firewall filter configuration changes in QFX platforms. PR1608610
An additional VLAN tag might be added for Point-to-Point Protocol over Ethernet (PPPoE) packets on QFX10016. PR1610012
Continuous Layer 3 traffic drop might be observed with MC-LAG configuration on QFX10000 platforms. PR1610173
MAC move or MAC flap might be triggered in the QFX5000 Virtual Chassis environment. PR1610295
Inter-vlan connectivity might be lost in an EVPN-VXLAN with CRB topology. PR1611488
Continuous FPC crash and dcpfe core files might be seen on QFX10002-60C and PTX10002-60c platforms. PR1612871
ARP resolution for data traffic received over Type5 might fail. PR1612905
Removing the optical module "JNP-SFPP-10GE-T" from a port might cause certain ports to go down. PR1614139
On QFX5000 VLAN firewall filter is not deleted in Packet Forwarding Engine after configuration change. PR1614767
The l2ald process might crash in EVPN scenario. PR1615269
Slow memory leak (32 bytes each time) of rpd might be seen. PR1616065
The BFD session might flap on the QFX5120-48YM platform. PR1616692
The l2cpd core file is seen with FIP snooping configuration on any interface. PR1617632
BGP routes learnt through type 5 EVPN routes might not get activated. PR1617878
BFD session might get stuck in init state after l2-learning restart due to incomplete ARP resolutions. PR1618280
Core files might be seen on EX and QFX devices after configuration changes. PR1618352
Traffic might be dropped when IRB is configured and removed from VLAN. PR1618425
Dot1x based firewall policers are not supported. PR1619405
The process dcpfe might crash after performing VXLAN VNI configuration change and delete on QFX5000 and EX series platforms. PR1619445
Disabled VCP (Virtual chassis port) will be UP after the optic on it is reseated. PR1619997
High wired memory utilization might be observed if GRES is enabled. PR1620599
Routes learned via the EVPN Type-5 route are not resolved. PR1620627
EVPN-VXLAN Type5 traffic might get failed on the Spine device of QFX10000. PR1620924
QFX-5120: Observing error "tvp_is_qsfp_has_single_led ioctl call failed ret:-1" while loading the build. PR1621630
LED indicator might be showing 'ON' status once QSFP is removed. PR1622580
Host generated IPv4 traffic sent over IPv6 next-hop with IRB interface might get dropped. PR1623262
Interface on QFX52xx not coming up after swapping from 100G to 40G. PR1623283
MACsec session might flap if multiple logical interfaces are created on single physical interface. PR1624524
In rare circumstances, PKID might crash and generate a core file when there was limited memory available on the Routing Engine. PR1624613
QFX5000 log messages: fpc0 SRIRAM Tx VxLAN Ucast: ifd_out = vtep dst_gport is (c00000X) so do not process pkt further. PR1624925
Traffic loss might be observed after configuring VXLAN over IRB interface. PR1625285
The statement
no-incoming-port
is not applied after reboot on QFX10002/QFX10008 platforms. PR1625988The third 802.1Q tag might not be pushed onto the stack in the Q-in-Q tunneling. PR1626011
Implement
show task scheduler-slip-history
to display no of scheduler slips and last 64 slip details. PR1626148Routing 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/QFX10016 platforms. PR1627846
802.1p BA classification might not work on mixed Virtual Chassis when 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 route addition and change. PR1629200
Some ports (port 20 and above) on QFX5110-32Q Virtual Chassis might not come up after a device restart or Packet Forwarding Engine reboot. PR1629231
Traffic might get dropped when
family ethernet-switching
is configured on the interface in Q-in-Q scenario. PR1629680The "show interface extensive" command might not show Local/Remote fault.
LACP timeout might be observed during high CPU utilization. PR1630201
QFX5000 : Chassis Status LED doesn't work as document described. PR1630380
The FBF filtered VLAN traffic will not be passed properly to the forwarding routing instances over AE interfaces on QFX5K/EX4600/EX4650 platforms. PR1633452
Traffic loss is observed 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 releases. PR1633998
Data might not be exchanged via EVPN-VxLAN domain. PR1635347
Silent drop in traffic might be observed 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/transceiver replacement. PR1638045
Targeted broadcast or WOL feature may not work on QFX 5000 platforms. PR1638619
MAC-move might be observed when dhcp-security is configured. PR1639926
The KRT queue might get stuck with the error- 'ENOMEM -- Cannot allocate memory'. PR1642172
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
Routing Policy and Firewall Filters
The rpd process might get stuck at 100% when EVPN vrf-target is enabled and after any configuration change. PR1616167
Routing Protocols
The interface might receive multicast traffic from a multicast group which it is not interested in. PR1612279
The wrong BGP path may get selected even when a better/preferred route is available. PR1616595
Traffic drop will be seen when VPN labels are incorrectly allocated due to change in nexthop. PR1617691
Verification of BGP peer count fails after deleting BGP neighbors. PR1618103
Time delay to export prefixes to BGP neighbors might occur post applying peer-specific BGP export policies. PR1626367
The BFD session might be down when multiple addresses of same subnet are configured. PR1635700
User Interface and Configuration
The core files may not get deleted using CLI "file delete /var/core/*/vmcore*". PR1624562