Alert Type
PSN - Product Support Notification
Risk
Risk Description
Low/Notification
Software Release Notification
Impact
Impact Description
Low/Notification
Software Release Notification
Product Affected
ACX, EX, MX, NFX, PTX, QFX, SRX, vSRX
Alert Description
Junos Software Service Release version 20.4R3-S4 is now available for download from the Junos software download site
Download Junos Software Service Release:
Go to
Junos Platforms - Download Software page
Input your product in the "Find a Product" search box
From the Type/OS drop-down menu, select
Junos SR
From the Version drop-down menu, select your version
Click the Software tab
Select the Install Package as need and follow the prompts
Solution
Junos Software service Release version 20.4R3-S4 is now available.
20.4R3-S4 - List of Fixed issues
PR Number
Synopsis
1653216
IRACL filters more than 64 might not work on IRB units
1661332
On EX4300 platform, High CPU is seen with generation of log message "/kernel: %KERN-3: i802_3_slow_recv_input:oam/esmc PDU dropped"
1671304
Commit fails on EX4300 as EX4600 and EX4300 mixed virtual-chassis is not able to create more than 1024 IFLs
PR Number
Synopsis
1655530
The dc-pfe might crash due to the VCCP flap
1659460
Junos upgrade may fail due to a storage issue in the /var/tmp directory
PR Number
Synopsis
1665562
EX4300-48MP: VC: NSSU aborted with Backup RE maybe in inconsistent state
PR Number
Synopsis
1663172
MAC address learning failure and traffic loss might be observed on VXLAN enabled ports having native-VLAN configured
PR Number
Synopsis
1655654
Few EX platforms does not generate ICMPv6 too big messages
PR Number
Synopsis
1634433
The fxpc process crash might be triggered when a MAC is aging out
1647209
DHCP traffic might be dropped when DHCP-security and RTG are enabled
1653260
L2PT may not work for AE interfaces in Q-in-Q environment.
PR Number
Synopsis
1567438
EX2300 shows high FPC CPU usage
1667564
High numbers of PDs connected may result in high CPU utilization
PR Number
Synopsis
1650967
Virtual chassis instability when members are rebooted
PR Number
Synopsis
1648271
Incorrect configuration and rollback might cause issues with ARP learning between ICL interface and local MC-AE interfaces
1658742
The MAC address may be learned over the wrong interface in the MC-AE scenario
PR Number
Synopsis
1489233
Transit packets from local to remote VTEP might get punted to CPU and cause DDoS events
1650051
The fixed classifier may not work in MPLS and VXLAN scenario
Product-Group=junos
PR Number
Synopsis
1627002
Traffic towards MPLS-Core is not rerouted to alternate port on QFX5k platforms
Product-Group=junos
1665778
Transit MPLS traffic can get dropped on the QFX5120 P router.
Product-Group=junosvae
PR Number
Synopsis
1632084
ACX5048: NH stats getting failed | acx_nh_get_stats(),242:Byte stats get failed | -7:Entry not found
Product-Group=junos
PR Number
Synopsis
1625806
gNMI set RPC might fail when multiple values within a single gNMI SetRequest are used for the Junos telemetry interface
Product-Group=junos
1656313
The Configuration of invalid forwarding-class in analytics export profile goes through may lead to traffic drop
Product-Group=junos
PR Number
Synopsis
1663717
Traffic loss is observed in the VPLS scenario after the upgrade
Product-Group=junos
PR Number
Synopsis
1577977
There might be memory leak observed in Junos Fusion satellite device for cpd process
Product-Group=junosvae
PR Number
Synopsis
1652337
The L2BSA subscribers may not be able to browse due to incorrect entries in the VPLS mac-table
Product-Group=junos
PR Number
Synopsis
1599730
The "rpd" process might crash when NSR is enabled
Product-Group=junos
1632132
The BGP session might flap after RE switchover with NSR enabled in a highly scaled environment
Product-Group=junos
1643178
On all junos platforms, when a route is received with broadcast address as next-hop, the platform may not consider it as an invalid route and drop the traffic intended for the destination
Product-Group=junos
1643665
The BGP route may still be present in the multi-path route after increased IGP cost
Product-Group=junos
1645010
Passive BGP session in no-forwarding instance could not come up
Product-Group=junos
1652666
Wrong next-hop weight might be observed with BGP PIC enabled
Product-Group=junos
1655228
An RPD process crash may be observed, when the received prefix count exceeds configured "prefix-limit"
Product-Group=junos
1664168
The v4 prefixes might not be advertised over the BGPv6 sessions
Product-Group=junos
1665610
BGP labeled-unicast inactive routes might not be advertised when add-path is configured
Product-Group=junos
1669716
The rpd crash is observed while making configurational changes
Product-Group=junos
PR Number
Synopsis
1653130
The rpd might crash when BMP rib-out monitoring is configured for flow-spec route
Product-Group=junos
PR Number
Synopsis
1571274
Interfaces might fail to come up on MX240, MX480 and MX960 routers
Product-Group=junos
1583060
Certain line cards might lose fabric connectivity after removing an MPC showing I2C errors
Product-Group=junos
1636118
FPCs may get restarted due to either faulty PEM module
Product-Group=junos
PR Number
Synopsis
1637380
DHCP snooping table might fail on All Junos platforms to populate MAC address after a VLAN change
Product-Group=junos
PR Number
Synopsis
1625475
Some local ARP/ND entries might be lost on all Junos and Junos Evolved platforms
Product-Group=junos
1648368
The spine might have stale vtep entry for the ESI even though the host mac is not advertised by the leaf
Product-Group=junos
PR Number
Synopsis
1633339
The Syslog messages and the dcd crash might be seen in Junos
Product-Group=junos
1641585
The ae interface with 400GE gets flapped on adding/removing a 400GE member link
Product-Group=junos
PR Number
Synopsis
1622585
The FPC might crash when interface participating in "next-interface" filter action flaps
Product-Group=junos
PR Number
Synopsis
1649638
The jdhcpd daemon might crash after Junos upgrade
Product-Group=junos
PR Number
Synopsis
1635763
The LACP delay may be observed with an "aggregate wait time" of more than 1 second
Product-Group=junos
PR Number
Synopsis
1661802
The l2circuit backup might not get reverted to primary in rare condition
Product-Group=junos
PR Number
Synopsis
1612026
Traffic might be dropped on ACX5448 and ACX710
Product-Group=junos
1648182
The swap-push/pop-swap VLAN map operations on VPLS IFL's might not work
Product-Group=junos
PR Number
Synopsis
1642383
Flowd crash when back to back sigpack is updated at the time of stress traffic
Product-Group=junos
PR Number
Synopsis
1636226
FPC might crash if the continuity-check interval under CFM is modified
Product-Group=junos
1643855
Traffic might be impacted due to the RCP session number reaching the maximum limit
Product-Group=junos
PR Number
Synopsis
1667404
The default code-point aliases and respective CoS value Bit patterns are inconsistent with Junos in Evo
Product-Group=junos
PR Number
Synopsis
1621574
Duplicate packets observed in EVPN-VXLAN scenario
Product-Group=junos
1632364
The rpd may crash when moving an interface from VPLS to EVPN-VPWS instance
Product-Group=junos
1632723
The traffic loss might be seen when the link goes down for the local ESI
Product-Group=junos
1659786
The process rpd might crash when protocol EVPN is deactivated
Product-Group=junos
PR Number
Synopsis
1576943
The BUM traffic might be dropped after changing any configuration on the device without router-id configured.
Product-Group=junos
1669811
BUM traffic might be blackholed for ESI configured CE interface flap
Product-Group=junos
PR Number
Synopsis
1613702
FPC might crash after device restart in EVPN-VXLAN scenario
Product-Group=junos
PR Number
Synopsis
1651546
Transit traffic might get dropped and protocols might be down when firewall filters are modified
Product-Group=junos
PR Number
Synopsis
1596462
The DCI InterVNI and IntraVNI traffic might black-holed in gateway node due to the tagged underlay interfaces
Product-Group=junos
1601961
InterDC traffic loss might be seen in MAC-VRF EVI with trap stats "dlu.ucode.discard "
Product-Group=junos
1627876
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 QFX10k Junos platforms
Product-Group=junos
PR Number
Synopsis
1603444
Unicast DHCP packets might get flooded when DHCP relay is configured in non-default routing-instance
Product-Group=junos
1648078
The CLNP traffic tunneled through EVPN-VXLAN fabric might get dropped
Product-Group=junos
1654215
The ARP might not resolve with the native-vlan configuration
Product-Group=junos
1659732
On QFX10K Junos platforms configuration of IGMP group range might result in traffic loss
Product-Group=junos
PR Number
Synopsis
1636842
Multicast traffic received on the INET interface might be dropped
Product-Group=junos
PR Number
Synopsis
1627846
Layer 3 traffic failure might be observed with scaled MC-LAG configuration on QFX10002/QFX10008/QFX10016 platforms
Product-Group=junos
1666399
Static MACs are not programmed after reboot, resulting in floods of unicast traffic
Product-Group=junos
PR Number
Synopsis
1651703
The traffic with ether type 0X88FC might get corrupted
Product-Group=junos
PR Number
Synopsis
1656738
The fxp0 interface might remain 'UP' when the cable is disconnected
Product-Group=junosvae
PR Number
Synopsis
1610305
ACX2100/2200 with G.8275.1 configuring 'e2e-transparent' might be stuck at PTP ACQUIRING
Product-Group=junos
PR Number
Synopsis
1626562
A major alarm DPDK (data plane development kit) Tx stuck issue of SRX4100/4200
Product-Group=junos
PR Number
Synopsis
1606779
When MTU is configured on an interface a rare ifstate timing issue could occur at a later point resulting in ksyncd process crash on backup RE
Product-Group=junos
PR Number
Synopsis
1634305
PFE core dump failover or traffic blackhole observed on all Junpos platforms
Product-Group=junos
1657056
The flowd core might be observed when IDP policy rulebase changes
Product-Group=junos
PR Number
Synopsis
1652901
The syslog errors and PPE traps might be observed
Product-Group=junos
PR Number
Synopsis
1651273
VMcore is triggered when control packets go over IRB and GRE
Product-Group=junos
PR Number
Synopsis
1654162
RPD core might occur while accessing IFL of mpls-lsp-interfaces in ISIS (FA-LSP)
Product-Group=junos
1664152
The rpd crash might be seen on MX platforms
Product-Group=junos
PR Number
Synopsis
1617695
Enabling DHCP on Junos and Junos Evolved platforms might cause the router's file system storage to get filled up with log files
Product-Group=junos
1618306
The jdhcpd process started spiking and DHCP become unresponsive if modifying the configuration to add "override always-write-giaddr" and removed "forward-only"
Product-Group=junos
1651768
DHCP packets might not be sent to the clients when 'forward-only' is reconfigured under the routing instance
Product-Group=junos
PR Number
Synopsis
1667861
L2TP session might not come up when L2TP access-line-information is not configured
Product-Group=junos
PR Number
Synopsis
1651836
The traffic might get lost when using dedicated HA fabric link
Product-Group=junos
1668898
vSRX not processing fragmented packets
Product-Group=junos
PR Number
Synopsis
1651501
A hardware issue is detected on the RG-0 primary node's CP
Product-Group=junos
PR Number
Synopsis
1655808
The crash files may be seen on SRX platforms
Product-Group=junos
PR Number
Synopsis
1645039
Datapath daemon might crash resulting in total traffic and service failure
Product-Group=junos
PR Number
Synopsis
1579425
High CPU usage might be seen on some SRX platforms
Product-Group=junos
PR Number
Synopsis
1615763
Uneven IPSEC tunnel distribution might be seen post tunnels re-establishment
Product-Group=junos
1627963
21.4Th :SPC3-Config payload :Tunnel bringing up failed from strongswan when changing the configuration IKE in VR and observed the " NO_PROPOSAL_CHOSEN notify error" message
Product-Group=junos
1655140
The Juniper secure connect VPN users may face login issues intermittently
Product-Group=junos
1665332
IPSec tunnels may flap on SRX platforms
Product-Group=junos
PR Number
Synopsis
1652676
Significant performance improvements were made to JWeb in this release.
Product-Group=junos
1658330
Various page errors have been corrected in JWeb
Product-Group=junos
PR Number
Synopsis
1612738
The process l2ald may crash during routing-instance configuration change
Product-Group=junos
PR Number
Synopsis
1616764
BFD hold-down timer doesn't work properly when LAG is configured
Product-Group=junos
1635935
Traffic loss may be seen on QFX10K due to congestion
Product-Group=junos
1640240
Aggregated Ethernet interface remains up instead of down after deleting loopback and ae interface ip on neighbor while verifying BFD sessions on router
Product-Group=junos
PR Number
Synopsis
1611081
LDP does not support policy import with rib-groups
Product-Group=junos
1611338
IPv4 Prefixes might be associated into both IPv4 and IPv6 LDP database after RE switchover
Product-Group=junos
PR Number
Synopsis
1634464
License may get lost after switchover
Product-Group=junos
1658869
The license might get out of sync between master and backup RE
Product-Group=junos
PR Number
Synopsis
1660070
MACsec session configured over IFD might be down when an IFL configured on IFD is disabled/deactivated
Product-Group=junos
PR Number
Synopsis
1600616
Failure on egress PFE's on MPC11E card may lead to drain errors on ingress PFE's on a different MPC11E card
Product-Group=junos
PR Number
Synopsis
1650178
MPC11 interface might remain down after flaps
Product-Group=junos
PR Number
Synopsis
1615326
Standby secondary LSP might be stuck on the same path as primary LSP upon reoptimization
Product-Group=junos
1655177
The "rpd" process may get crash when container Label Switch Path (LSP) is configured with "default-template"
Product-Group=junos
1664670
Dynamic label space usage crossed the threshold limit of 90 percent
Product-Group=junos
PR Number
Synopsis
1634632
VCCV BFD session keeps flapping between MX and peer device if ultimate-hop popping is enabled
Product-Group=junos
PR Number
Synopsis
1612279
The interface might receive multicast traffic from a multicast group which it is not interested in
Product-Group=junos
PR Number
Synopsis
1640487
Type 7 routes might be lost in MVPN+PIM SSM scenario
Product-Group=junos
PR Number
Synopsis
1601843
PTP stateful configuration along with ordinary clock mode does not work together
Product-Group=junos
1631274
PTP (Precision Time Protocol) might not lock on MX with MX-MPC2E-3D-P and MPC2E-3D LC
Product-Group=junos
1647901
When PTP with PHY-timestamping is enabled, significant clock frequency drift might be seen
Product-Group=junos
1657132
The transit traffic might be impacted in the PTP scenario
Product-Group=junos
1660844
Transit PTP over IP packet drop might be observed on an AE interface
Product-Group=junos
PR Number
Synopsis
1656746
The configuration of management interface might not work
Product-Group=junos
PR Number
Synopsis
1644616
GARP reply doesn't update ARP entry though gratuitous-arp-reply option is configured.
Product-Group=junos
PR Number
Synopsis
1654798
RE kernel crash might be observed in the one-hop-LSP MPLS scenario with RE outbound traffic if 'routing-option resolution preserve-nexthop-hierarchy' is configured globally
Product-Group=junos
PR Number
Synopsis
1635867
IPv6 route advertisement sent on management interfaces might cause other devices to fail to get the dhcpv6 address
Product-Group=junos
PR Number
Synopsis
1644274
RIP NSR state might be stuck in InProgress after Routing-Engine switchover
Product-Group=junos
PR Number
Synopsis
1602442
On MX and PTX platforms, vmcore on master routing engine might be reported due to mbuf corruption
Product-Group=junos
1626400
Configuration commit may fail while configuring the knob 'authentication-key-chains' under groups
Product-Group=junos
PR Number
Synopsis
1609630
BFD over GRE tunnel interface stuck in "init" state with GRES enabled
Product-Group=junos
1644480
The process oamd might not start and GRE keepalives adjacency is down
Product-Group=junosvae
PR Number
Synopsis
1659366
The memory leak and process rpd crash might be observed when the peer interface flaps continuously in the Segment Routing
Product-Group=junos
PR Number
Synopsis
1598309
The unilist nexthop might get stuck after interface flap on PTX/QFX10K
Product-Group=junos
1603656
Junos OS: some platforms: malforming packets less then 64 bytes (CVE-2022-22216)
Product-Group=junos
1649586
Junos OS: PTX Series: FPCs may restart unexpectedly upon receipt of specific MPLS packets with certain multi-unit interface configurations (CVE-2022-22202)
Product-Group=junos
1663881
ALB stats not showing in CLI
Product-Group=junos
PR Number
Synopsis
1624613
PKID could crash and generate a core-file when there was limited memory available on the routing-engine
Product-Group=junos
1655571
Certificate-based VPN tunnel is not established
Product-Group=junos
PR Number
Synopsis
1634908
LACP interface might go down when a sub-interface configuration is added and committed to the AE interface
Product-Group=junos
PR Number
Synopsis
1615447
The packet drop might be seen when packet size exceeds 9000 MTU
Product-Group=junos
1630201
LACP timeout might be observed during high CPU utilization
Product-Group=junos
PR Number
Synopsis
1662707
IPv6 ND packets might be dropped in QFX5100 and QFX5110 platforms
Product-Group=junos
PR Number
Synopsis
1626011
The third 802.1Q tag might not be pushed onto the stack in the Q-in-Q tunneling
Product-Group=junos
1649637
The local-minimum-links feature not working as expected on QFX5100 VC platforms
Product-Group=junos
1650416
L2PT configuration on a transit switch in a Q-in-Q environment breaks L2PT
Product-Group=junos
1652976
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)
Product-Group=junos
1660787
CoS might not get applied on VC ports
Product-Group=junosvae
PR Number
Synopsis
1650335
Traffic Loss will be observed with Virtual-Router
Product-Group=junos
PR Number
Synopsis
1666760
BGP-LU traffic might be dropped when "CCNH ingress labeled-bgp inet" is configured
Product-Group=junos
PR Number
Synopsis
1624925
QFX5K log messages: fpc0 SRIRAM Tx VxLAN Ucast: ifd_out = vtep dst_gport is (c00000X) so do not process pkt further
Product-Group=junos
1645929
An interface might be detached from LACP when configuring VLAN tagging in the EVPN-VXLAN scenario on Junos QFX5K platforms
Product-Group=junos
1659533
Traffic loss might be seen when a VxLAN port is recovering from a failure
Product-Group=junos
PR Number
Synopsis
1606003
QFX5100 : Generate an optical power after detached and attached QSFP on disabled interface.
Product-Group=junos
PR Number
Synopsis
1538071
The interfaces on QFX5100-48T switch might stay up when the peer device is rebooting
Product-Group=junosvae
1611354
The ports might remain in downstate on QFX5K platforms
Product-Group=junosvae
PR Number
Synopsis
1634533
When a new member is added to the VCF, the backup FPC will restart
Product-Group=junos
1667952
jnxPowerSupplyFailure and jnxPowerSupplyOK might not be generated for backup FPC
Product-Group=junos
PR Number
Synopsis
1605037
The carrier transition counter might not get incremented upon link flap after the reboot
Product-Group=junos
1629637
The interface on the peer device might remain up even after disabling the 10G interface on the Juniper device
Product-Group=junos
1632620
You may see a slow response or timeout on the CLI or SNMP with accessing to sxe-0/0/0 on QFX5120-48T-6c.
Product-Group=junosvae
1654459
LACP sent IN SYNC to server facing interface when core-isolation is in effect
Product-Group=junos
PR Number
Synopsis
1614139
Removing the optical module "JNP-SFPP-10GE-T" from a port may cause certain ports to go down
Product-Group=junos
1653723
Port might be down after inserting specific SFP
Product-Group=junosvae
PR Number
Synopsis
1622580
LED indicator might be showing 'ON' status once QSFP is removed.
Product-Group=junos
1634495
Traffic loss might be observed on EX4650-48Y and QFX5120-48Y switches when there is a link flap
Product-Group=junos
1646894
Restarting one of the FPCs may cause traffic loss in QFX VC scenario
Product-Group=junosvae
1658568
QFX5120: "request system power-off" doesn't work and vmcore is generated
Product-Group=junosvae
1659453
The slave PTP device will not lock its clock with the master PTP device
Product-Group=junos
PR Number
Synopsis
1610734
QFX5110 generates disk drive smart error clear alarm chassisd messages every 5 seconds if FPC2 in VC
Product-Group=junosvae
1651151
The local-bias might stop working after the device is rebooted
Product-Group=junos
PR Number
Synopsis
1662913
The watchdog timeout is encountered and the system reboots after the 'request system halt' command executed
Product-Group=junos
PR Number
Synopsis
1660424
A policy with a policy action "community" configuration may not work
Product-Group=junos
PR Number
Synopsis
1642182
The Multicast Tunnel interface is not selected as per the configuration for the Draft-Rosen
Product-Group=junos
PR Number
Synopsis
1594981
The label field for the EVPN Type 1 route is set to 1
Product-Group=junos
PR Number
Synopsis
1583249
The rpd in backup might core and restart
Product-Group=junos
1664527
The routing process on the device might crash when the IP address of local interface is changed to the IP address of BGP peer
Product-Group=junos
PR Number
Synopsis
1599215
Traffic might get black-holed upon link flap after a topology change
Product-Group=junos
1645296
Traffic drop with EBGP multipath and EBGP paths equal to the maximum-ecmp limit
Product-Group=junos
PR Number
Synopsis
1537306
The interface-routes rib-group policy does not work as expected in the VXLAN scenario
Product-Group=junos
PR Number
Synopsis
1658277
Some L3VPN prefixes are not active because nexthop is not usable
Product-Group=junos
1658678
The rpd crash might be triggered when the BGP route resolves over another BGP route
Product-Group=junos
PR Number
Synopsis
1629437
The contributing routes might not be advertised properly if "from aggregate-contributor" is used
Product-Group=junos
1657321
"--RT--" memory is slowly incrementing in "show task memory detail" output
Product-Group=junos
PR Number
Synopsis
1587177
Soft-preemption does not work after applying "subscription 0" configuration on RSVP interfaces
Product-Group=junos
1625438
Unexpected traffic loss on LSP headend might be observed when downstream IGP metric changes
Product-Group=junos
1637645
The rpd memory leak may be observed in a subscriber management environment with RSVP
Product-Group=junos
1638145
LSP over broadcast segment stays down when RSVP setup protection is enabled
Product-Group=junos
1639292
Dynamic bypass LSP might flap at every re-optimization interval
Product-Group=junos
1640918
When the primary path goes down MPLS LSP does not use the most preferred path after the primary path restoration
Product-Group=junos
PR Number
Synopsis
1625820
Fabric request timeouts and fabric healing occur
Product-Group=junos
1657378
The low priority stream may get stuck and all traffic might be dropped
Product-Group=junos
PR Number
Synopsis
1651774
VTEP might report a high speed on the sub-interface, causing SNMP alarms
Product-Group=junos
PR Number
Synopsis
1645585
The eBGP session might not be established on MX platforms with MS-MPC and MX-SPC3 cards
Product-Group=junos
PR Number
Synopsis
1648428
The mspmand process crashes on MX router with MS-MPC card
Product-Group=junos
PR Number
Synopsis
1610260
Enabling security-metadata-streaming-policy might cause PFE crash
Product-Group=junos
PR Number
Synopsis
1658833
Radius responses that take longer than 15 seconds can cause SRX to declare authentication failure
Product-Group=junos
PR Number
Synopsis
1588593
Updates were made to RTCOM to reduce its overall memory usage, improving holistic scale of Layer-7 services
Product-Group=junos
PR Number
Synopsis
1638923
Kernel panic might be seen during boot
Product-Group=junos
PR Number
Synopsis
1582871
BGP adjacency might not get established in L2+IRB scenario
Product-Group=junos
PR Number
Synopsis
1651526
PCS Errored blocks count will increment after Junos software upgrade to 20.2R1 or above releases
Product-Group=junos
1655088
BFD may flap when the hold down/up timer is configured
Product-Group=junos
PR Number
Synopsis
1609988
MX204: Interface flaps might be observed on certain ports
Product-Group=junos
PR Number
Synopsis
1654838
The control link may not come up during the reboot
Product-Group=junos
PR Number
Synopsis
1609096
The aftmand might crash while adding/deleting an AE interface member link
Product-Group=junos
PR Number
Synopsis
1662606
Heap memory issues may lead to crash of MPC10/MPC11 line cards on MX platforms
Product-Group=junos
PR Number
Synopsis
1606967
'WO-0: OGE0 dequeue watermark hit' may seen with L2 related configuration and receiving jumbo-frame packets
Product-Group=junos
1650854
The IPv4 traffic drop might be observed in EVPN scenario
Product-Group=junos
PR Number
Synopsis
1642851
Traffic drop due to incorrect memory allocation for the default route on MPC10E and MPC11E line cards
Product-Group=junos
PR Number
Synopsis
1657465
AE bundles with member links from MPC10 does not have VLAN-REWRITE feature programmed correctly
Product-Group=junos
PR Number
Synopsis
1568072
Reclassify the severity of the CMERROR "XMCHIP_CMERROR_DDRIF_PROTECT_WR_RD_SRAM_RUNN_CHKSUM" from major to minor
Product-Group=junos
1580500
TTL expired reply might be received with a different source address
Product-Group=junos
1631313
The packet drop might be seen on FPC on Trio based platforms
Product-Group=junos
1636060
Continuous Fabric Link Sanity Check interrupts in intervals of weeks might cause at some point fabric input block traffic black-holing
Product-Group=junos
1645505
FPC crash might occur during ISSU upgrade
Product-Group=junos
1652416
LMEM Parity Error in shared LMEM are not handled properly
Product-Group=junos
PR Number
Synopsis
1629136
,FPC crash might be observed in the subscriber scenarios
Product-Group=junos
1633825
The linecard crash might be observed in a Subscriber scenario
Product-Group=junos
1647214
DHCP Subscriber traffic might get dropped due to the rpf-check filter
Product-Group=junos
1668976
Traffic loss might be observed for the multicast traffic
Product-Group=junos
PR Number
Synopsis
1657203
PFE might get disabled if a packet with a small size is transmitted out of the queue
Product-Group=junos
PR Number
Synopsis
1551394
Traffic loss might be seen as logical-interface-policer is not processed properly during filter migration
Product-Group=junos
1576207
The dfwd process is terminated if the commit check is issued
Product-Group=junos
1589619
FPC crash might be seen in firewall filter scenario
Product-Group=junos
1614480
Filter related service will not work when the filter is deleted/re-added frequently for AE interface
Product-Group=junos
PR Number
Synopsis
1611816
CFM neighbor adjacency will be failed on the AE member interface of MPC10/MPC11
Product-Group=junos
1631217
The core interface goes down
Product-Group=junos
1657983
The MPC crash might be observed for the IRB interface flap part of the layer 2 domain in a multicast scenario
Product-Group=junos
PR Number
Synopsis
1662950
TCP MSS value might not get reflected to packets
Product-Group=junos
PR Number
Synopsis
1654812
Port mirroring traffic not being flooded on the expected interfaces
Product-Group=junos
PR Number
Synopsis
1620564
SRX Accounting and auditd process might not work on secondary node
Product-Group=junos
1660931
Lockout-period might not work as expected
Product-Group=junos
1662172
The CPU utilization might increase when a user login and logout to the device continuously
Product-Group=junos
PR Number
Synopsis
1658154
"request system scripts refresh-from op.. " output is not working as expected
Product-Group=junos
PR Number
Synopsis
1590099
The ISSU might abort due to unsuccessful image validation on all SRX platforms
1624562
The core files may not get deleted using CLI "file delete /var/core/*/vmcore*"
1627323
Junos Fusion Satellite EX4300 upgrade fails from Aggregate Device MX104
PR Number
Synopsis
1630167
Zeroize RPC returns no positive reply
PR Number
Synopsis
1583839
File permissions are changed for /var/db/scripts files after reboot on PTX/QFX platforms
PR Number
Synopsis
1646463
MSISDN prepended with additional digits (for example "19") in the logs
1673879
GTP control packets might be incorrectly dropped/passed if there is more than one APN IMSI filter configured
PR Number
Synopsis
1544875
The VM host platform might get crashed continuously after performing upgrade/downgrade and booting up with the new image
PR Number
Synopsis
1655858
The Pseudo Wires might go down in VPLS scenario
PR Number
Synopsis
1617020
Commit check failure may happen if similar interfaces are configured under VRRP group
Product-Group=junos
1635351
VRRP route tracking for routes in VRF might not work if "chained-composite-next-hop ingress l3vpn" is used
1637735
"show vrrp extensive" doesn't show the next IFL "Interface VRRP PDU statistics"
1639242
On Junos 20.3 and later release, the tracking routes of VRRP might become unknown after upgradation
1652549
VRRP failover over 2 seconds may be observed
Product-Group=junos
1658326
Configuring a VIP from a different subnet (other than parent IP) might affect IPv6 VRRP sessions
Product-Group=junos
1658966
VRRP operations may flap when configuration changes are committed under unrelated VRRP groups present on the same physical interface
Product-Group=junos
1668280
The VRRP track might go down upon GRES
Product-Group=junos
PR Number
Synopsis
1664978
The link-degrade recovery will not work for a specific interface speed
Product-Group=junos
PR Number
Synopsis
1465970
[USF-AutoVPN]- Configuring two IPsec Gateways for V1 and V2 , triggering IKEv1 client tunnels AutoVPN hub always checks with IKEV2 policy and not on IKEV1
Product-Group=junos
20.4R3-S4 - List of Known issues
PR Number
Synopsis
1590037
HEAP malloc(0) is seen with base configurations
Product-Group=junos
PR Number
Synopsis
1633883
The EX2300 may unexpectedly drop VOIP VLAN traffic after reboot
Product-Group=junos
PR Number
Synopsis
1669241
On JUNOS (EX4600, EX4650, QFX5k VC) platforms, line card might be disconnected from VC post master RE reboot
Product-Group=junos
PR Number
Synopsis
1568333
Traffic might be dropped by destination device
Product-Group=junos
PR Number
Synopsis
1641793
Traffic might be dropped due to the RX queue being full
Product-Group=junos
PR Number
Synopsis
1665178
ACX5048 after upgrade to 20.4R3-S3 VPLS multihoming is not working
Product-Group=junos
PR Number
Synopsis
1643824
Space issues may be seen on EX3400 devices
Product-Group=junosvae
PR Number
Synopsis
1675921
Micro BFD session state in RE remain UP even peer side session is down.
Product-Group=junos
1678016
Traffic drops due to the generation of the FPC core, which makes the system unstable.
Product-Group=junos
PR Number
Synopsis
1630987
The rpd might crash when BGP labeled-unicast family routes are present and BGP multipath is turned on
Product-Group=junos
1635390
BGP routes might be left stale on the router
Product-Group=junos
1635700
The BFD session might be down when multiple addresses of same subnet are configured
Product-Group=junos
1669930
BGP inactive routes may not be advertised to peers in BGP-LU scenario
Product-Group=junos
PR Number
Synopsis
1604943
IEEE 802.1 rewrite rule might not work on MPC10 linecard
Product-Group=junos
1649510
The cosd process might not be able to send unbinds for rewrites post a certain sequence of operations are performed
Product-Group=junos
1675781
QoS may not work as expected on AE interfaces with explicit-null label
Product-Group=junos
PR Number
Synopsis
1662955
The MPC/FPC crash is seen on specific LC's running BGP Flowspec
Product-Group=junos
PR Number
Synopsis
1648968
If a firewall has a log action and it's applied on physical interface or lo0, the LDP can't go up
Product-Group=junos
PR Number
Synopsis
1380145
On the ACX5448 router, latency is observed for the host-generated ICMP traffic.
Product-Group=junos
PR Number
Synopsis
1612201
Reclassify MQSS_CMERROR_CELL_MEM_PROTECT_FSET_REG_DETECTED_FBM_MEM from Major to Minor
Product-Group=junos
PR Number
Synopsis
1543641
On the MPC10 line cards, DMRs or SLRs are not received with an EVPN up MEP on the aggregated Ethernet interface with normalization
Product-Group=junos
PR Number
Synopsis
1669510
The snmpd core might be observed with filter-duplicates configuration
Product-Group=junos
PR Number
Synopsis
1670171
Mac-address is not populated to ethernet-switching table but present in EVPN database
Product-Group=junos
1677521
ARP or ND entries are missing on spine with EVPN VxLAN CRB
Product-Group=junos
PR Number
Synopsis
1598805
The interface on SFP-T or SFP-SX might stop forwarding traffic on EX4600
Product-Group=junos
PR Number
Synopsis
1603015
On EX4400 dot1x authentication may not work on EVPN/xlan enabled endpoints.
Product-Group=junos
PR Number
Synopsis
1491164
There might be a drop for the sampled packet if the sampled packet rate exceeds 10Mbps with sFlow being used
Product-Group=junos
PR Number
Synopsis
1590387
ISIS adjacency is not coming up through TCC l2circuit
Product-Group=junos
PR Number
Synopsis
1660231
For SRX5k, SRX4k and SRX1500 platforms, the ISSU feature cannot be used for upgrade from Junos releases below Junos 22.1 to Junos 22.1 or higher, except from releases containing the fix for PR1652838
Product-Group=junos
PR Number
Synopsis
1482683
Traffic loss might be observed due to FPC crash on MX Series routers and the EX9200 line of switches
Product-Group=junos
PR Number
Synopsis
1660208
After changing the MTU on an aggregated interface along with IRB the kernel crash might be observed
Product-Group=junos
PR Number
Synopsis
1667950
VMcore or RE crash might be triggered due to the memory corruption when the FPC is restarted for LNS subscribers
Product-Group=junos
PR Number
Synopsis
1632466
The BFD session might fail and not come up when it is modified with the expiry timer of more than 10 seconds
Product-Group=junos
PR Number
Synopsis
1673391
Control Plane CPU utilization might reach 100% while KMD process stuck after core dump on SRX345 platforms
Product-Group=junos
PR Number
Synopsis
1628807
Interface sensor data may not be decoded on line cards (MPC10E/MPC11/MPC12/LC9600) and Junos Evolved platforms
Product-Group=junos
PR Number
Synopsis
1629011
Traffic drop might be reported on the interface after reboot or power cycle
Product-Group=junos
PR Number
Synopsis
1664955
MAC addresses learned on the RTG interface are not aging out
Product-Group=junos
PR Number
Synopsis
1610272
EX/QFX VC might lose license on 21.2R1
Product-Group=junos
1658913
Valid software licenses might not be in sync between members in the Virtual chassis.
Product-Group=junos
PR Number
Synopsis
1669677
LLDP neighborship might fail if the chassis-id format of the LLDP packet is xx:xx:xx:88:8e:xx
Product-Group=junos
PR Number
Synopsis
1664448
The command "show chassis fpc" shows inaccurate information about heap memory
Product-Group=junos
PR Number
Synopsis
1601049
Interface flap might trigger major alarm causing disble-pfe action when high priority scheduler is configured
Product-Group=junos
1642584
MPC10E: Quick 100G link-flaps has still some race conditions which can cause MQSS stream drain failures and xqss_sched_flush_queue failures
Product-Group=junos
PR Number
Synopsis
1616841
Protected LSP goes down with strict hops and link protection configured
Product-Group=junos
1672804
The rpd crash might be observed with Container LSPs
Product-Group=junos
PR Number
Synopsis
1642890
[ptp] [ptptag] mx480 : :: MPC2E 3D EQ(1588v2 PTPoIPv6)-PTP lock status stuck in ACQUIRING
Product-Group=junos
1671262
PTP server state stuck in acquiring state when configured on a port enabled with Ingress Queueing Feature
Product-Group=junos
PR Number
Synopsis
1626486
The chassisd might crash on MX104
Product-Group=junos
PR Number
Synopsis
1653920
Traffic blackhole might be seen due to next-hop install failure on Junos PTX platforms
Product-Group=junos
PR Number
Synopsis
1668330
Multiple "dcpfe" core dumps might be seen on QFX10K when SFLOW is enabled
Product-Group=junos
PR Number
Synopsis
1669261
VMX crash as result of riot out of memory condition, reporting Interrupted thread 30 TTP Transmit.
Product-Group=junos
PR Number
Synopsis
1500125
Some PIM join or prune packets might not be processed in the first attempt in the scaling scenario where the PIM routers establish neighborship and immediately join the multicast group
Product-Group=junos
PR Number
Synopsis
1576060
On the QFX5100-48T switch, the 10G interface might be auto-negotiated at 1G speed instead of 10G
Product-Group=junos
PR Number
Synopsis
1588704
The dcpfe might crash on QFX5k devices
Product-Group=junos
1667751
Multihop BFD sessions might remain down in inline mode
Product-Group=junos
PR Number
Synopsis
1665306
On QFX5K series platforms, duplicate packets might be seen in the multihomed scenario in an EVPN-VxLAN fabric when unicast ARP packets are received
Product-Group=junos
1667206
Traffic loss between different subnets in IRB VxLAN scenario
Product-Group=junos
PR Number
Synopsis
1606705
VC ports might remain in down state after removing and adding
Product-Group=junos
PR Number
Synopsis
1665800
Ports with SFP-T 1G plugged in may go to hung state on QFX5100 platforms
Product-Group=junos
1669436
On specific QFX5k platforms, member links may reduce their configured speed when the other side doesn't have auto-negotiation disabled
Product-Group=junos
PR Number
Synopsis
1592303
The rpd process might crash when deactivating or deleting a routing-instance
Product-Group=junos
PR Number
Synopsis
1663568
The forwarding plane is not updated properly in scaled MVPN scenario after receiving PIM leave messages
Product-Group=junos
PR Number
Synopsis
1645457
The rpd crash might be seen in backup RE
Product-Group=junos
1659255
The multipath route might be missing when multipath is configured
Product-Group=junos
PR Number
Synopsis
1666001
ACX5448-D policy with install-nexthop, called in forwarding-table will not install next-hops properly with respect to the routing table
Product-Group=junos
PR Number
Synopsis
1665515
The process pfe might crash upon using some CLI commands frequently
Product-Group=junos
PR Number
Synopsis
1674585
The 'kmd' process may crash due to SA re-negotiation failure during IKE phase-1
Product-Group=junos
PR Number
Synopsis
1594014
During reboot, "warning: requires 'idp-sig' license" can be seen on the screen even when the device has valid license
Product-Group=junos
PR Number
Synopsis
1667225
SFP port 3 and 9 not displayed on MPC8E/MPC9E when pic-mode 100G is configured after upgrade to 20.4
Product-Group=junos
PR Number
Synopsis
1669010
On all SRX4600s platforms, when you manually offline FPC1, FPC0 will also go offline
Product-Group=junos
PR Number
Synopsis
1608723
MPC10/11 - filter matching unknown-unicast does not take effect
Product-Group=junos
1632477
Firewall sensors information of MPC10E/MPC11E/MPC12E/VMX ZT MPC line-card are not getting streamed to telemetry
Product-Group=junos
PR Number
Synopsis
1548263
Traffic flood might be observed in EVPN instance due to misprogrammed MAC address in the PFE
Product-Group=junos
1648059
Interoperability issue between TRIO line cards and MPC10E and MPC11E AFT cards cause incorrect egress load balancing over Aggregated Ethernet links
Product-Group=junos
1668837
EVPN PE router might respond traceroute with unexpected source IP address to remote CE
Product-Group=junos
PR Number
Synopsis
1635345
Some packets might be dropped inside the l2circuit when the flow label is enabled
Product-Group=junos
PR Number
Synopsis
1637618
During ISSU on MX platforms fpc crash may be observed
Product-Group=junos
1648473
The FPC crash might be observed during ISSU
Product-Group=junos
1651407
CCL-DT-BNG: show interface and monitoring interface (ifd level) counters are tripled.
Product-Group=junos
PR Number
Synopsis
1665234
The rpf-check feature might not be working in a Junos Subscriber management scenario
Product-Group=junos
PR Number
Synopsis
1571985
AE Interface queues statistics will be exported to jvision server
Product-Group=junos
PR Number
Synopsis
1522896
Egress traffic loss might happen because of PFE MTU feature problem
Product-Group=junos
PR Number
Synopsis
1554696
The "mgd" process might crash when performing rollback command
Product-Group=junos
1636085
MTU configuration on an interface is not set as expected
Product-Group=junos
1671038
Config error after upgrade when modifying group for lsp auto-bandwidth /config/juniper.conf:164:(39) syntax error: adjust-interval.
Product-Group=junos
1673176
"gethostbyname: Host name lookup failure" is displayed during commit
Product-Group=junos
1677831
On all SRX platforms, a warning during commit might lead to tunnels flapping if the device is rebooted and the warning is present at boot
Product-Group=junos
PR Number
Synopsis
1622741
Constant increase of PCS errors may be seen on channelized port
Product-Group=junos
PR Number
Synopsis
1605255
[MX10008/16] Kernel error logs(tcp_timer_keep) is seen on backup RE when 'set system internet-options no-tcp-reset drop-all-tcp' option is enabled.
Product-Group=junos
1623273
chassisd memory leak may be seen after adding or removing an interface configuration
Product-Group=junos
PR Number
Synopsis
1583839
File permissions are changed for /var/db/scripts files after reboot on PTX/QFX platforms
Product-Group=junos
PR Number
Synopsis
1613229
The "FPC 0 Major Errors" alarm might be seen on PTX10002-60C/QFX10002-60C due to a rare timing issue
Product-Group=junosvae
1646339
The alarm might not be generated for EDAC errors until the FPC is rebooted
Product-Group=junos
NOTE: Release-Note entries were omitted due to size restriction of the tools
Modification History
First publication 2022-08-25
20.4R3-S4: Software Release Notification for JUNOS Software Version 20.4R3-S4