Resolved Issues: 21.4R2

Interface burst size becomes low in Packet Forwarding Engine, when rate-limit-burst statement is removed. PR1650089

Hierarchical Class of Service (HCOS) might not work for LT interfaces configured on PIC 2 and PIC 3 of MPC5E and MPC6E. PR1651182

Baseline EVPN-VXLAN transition from IPv4 to IPv6 or vice verse does not work in certain sequence. PR1552498

Bridge mac-table learning entries might not be as expected for the EVPN-MPLS routing instance. PR1600310

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

Traffic loss for profile TI2-Inter-VN-Traffic_Stream-SH-MH when testing EVPN with VxLAN. PR1628586

The l2ald crash might be seen after restarting routing on EVPN PE device. PR1629426

Removing configuration statement es-label-oldstyle does not take effect if it is the only statement configured under the EVPN protocol. PR1629953

The rpd might crash when moving an interface from VPLS to EVPN-VPWS instance. PR1632364

The traffic loss might be seen when the link goes down for the local ESI. PR1632723

IRB might not send out arp-reply if no-arp-suppression is configured. PR1646010

The DF and BDF both might be up or forwarding in EVPN multihoming single-active scenarios. PR1647734

The response for clear interfaces statistics all command with scale configuration is delayed. PR1605544

Packet loss is observed after hitting the firewall filter on a Junos OS platform. PR1625309

Error message "sensord: Error updating RRD file: /var/run/sensord.rrd" might be seen on WRL9-based line card. PR1420927

PTP packets drop depending on the multicast configuration. PR1442055

The pkid process might be observed during local certificate enrollment. PR1573892

"CHASSISD_FRU_IPC_WRITE_ERROR: fru_send_msg: FRU GNF 2, errno 40, Message too long" might appear periodically in the chassisd logs. PR1576173

NAT EIM mapping will create even for out to in FTP ALG child sessions. PR1587849

Implement FW reload option to MX10008 in the CLI. PR1594579

The mspmand daemon memory leak might be observed after the HA master goes down. PR1598356

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

PTP stateful configuration along with ordinary clock mode do not work together. PR1601843

Fix for show system errors fru detail not displaying reset-pfe as the cmerror configured action. PR1602726

After rebooting the JDM from shell mode, you cannot stop the JDM again. PR1603637

VRRP and BFD might flap on an IRB interface on MPC10 and MPC11 line cards. PR1604150

Kernel error logs (tcp_timer_keep) is seen on backup Routing Engine when set system internet-options no-tcp-reset drop-all-tcp option is enabled. PR1605255

In the AMS bundle traffic might not be load balanced across member interfaces on MX Series Virtual Chassis. PR1605284

VM host platforms might boot exactly 30 minutes after executing request vmhost halt command. PR1605971

5G-CUPS:bbe-cups-5G-setup:wf-eabu-dev.tadcaster:re1 {version} vmcore.0.gz. PR1606146

'WO-0: OGE0 dequeue watermark hit' might be seen with L2 related configuration and receiving jumbo-frame packets.PR1606967

IPv6 link-local BFD session might not come up on MX Series routers. PR1607077

MX204: Interface flap might be observed on certain ports. PR1609988

The PFE/SIB/SCBE/FPCs might reboot due to the unexpected fabric errors shown up on MX240/480/960 platforms. PR1612957

MPC6E 3D did not come up after MIC offline online test. PR1614816

The counter might show double value when chassis enhanced-policer is configured. PR1615373

ICMP error packet does not have relevant header when configured with DSLite and with appropriate ICMP ALG name and one UDP application name. PR1616633

The Strict-Priority-Scheduler (SPS) might not work accurately across port queues. PR1616772

A device which is configured IP interface (ip-x/x/x) cannot sent out encapsulated IPv4-over-IPv6 packets to a remote device in case of transit packets. PR1618391

DHCP subscribers might not synchronize to backup BNG when DHCP ALQ is configured without topology-discover. PR1620544

DHCP ALQ needs a new configuration parameter to adjust failover times. PR1631770

The jdhcpd daemon might crash after upgrading Junos OS. PR1649638

Flapping of all ports in the same Packet Forwarding Engine might disable the Packet Forwarding Engine. PR1621286

FPC might crash on MX10003 when MACsec interfaces configured with bounded-delay feature are deleted in bulk. PR1621868

When PHY-sync state moved to false, it internally disables the PHY-timestamping of PTP packets. PR1622108

High phase jump spikes approximately from 4000 ns to 5000 ns during secondary clock fail-over within the same line card on commiting the configuration. PR1622575

Constant increase of PCS errors might be seen on the channelized port. PR1622741

The mcontrol might frequently miss keepalives from the backup Routing Engine. PR1624623

The aggregated Ethernet member link might not be correctly populated on the Packet Forwarding Engine after FPC restarts on the MX Series routers. PR1624772

On single IPsec tunnel with PMI when sending internet traffic packet processing might get delayed due to session management issue. PR1624974

The flowd process lost heartbeat for 45 consecutive seconds without raising an alarm. PR1625579

The bbe-statsd crash might be seen in the LTS subscriber scenario. PR1625648

gNMI set RPC might fail when multiple values within a single gNMI SetRequest are used for the Junos telemetry interface. PR1625806

Fabric request timeouts and fabric healing occurs. PR1625820

Packet loops in the PIC even after stopping the traffic on MX Series routers with SPC3 line card. PR1625888

The bbe-smgd might crash on backup Routing Engine after unified ISSU or GRES. PR1626091

Traffic drop might be seen in node slicing scenario. PR1626115

Some Interfaces might not come online after the line card reboots. PR1626130

[technology/inlineservices] [core] : mx960 :: spd core file is seen. PR1626311

After configuring 4000 bridge domains messages log file is flooded with kernal messages. PR1626381

The chassisd might crash on MX104. PR1626486

The autoconf might not work if the DHCPv4 discover message has option 80 (rapid commit) ahead of option 82. PR1626558

Broadcast traffic might not be forwarded to LT interface in VPLS routing instance after LT interface is deleted then added back. PR1626714

VPLS MAC age time-out might not be applied on some MAC addresses. PR1627416

The show vlan command might not show appropriate output in all the Junos platforms. PR1627558

Subscribers might face connectivity issues because of the memory leak. PR1627562

DHCP clients might not go to BOUND state when the aggregated Ethernet bundle is enabled between DHCP server and snooping device. PR1627611

"agentd_telemetry_uninstall_sensor: Deleting subscription from daemon aftsysinfo failed after mgmt_sock_retries 601, ret -1" error message is seen after stopping jtimon. PR1627752

Invalid IP length packets encapsulated within MPLS might trigger PPE traps. PR1628091

Memory leak might occur on PFED process when the flat-file-profile is configured with the use-fc-ingress-stats statements. PR1628139

EAPol packets over Layer 2 circuit might get dropped at the tunnel start. PR1628196

Tunnel-service bandwidth should not be changed when there are active subscribers. PR1628628

The "monitor traffic interface" might not work for em2 on vRR/JRR200. PR1629242

show system subscriber-management route summary does not report route summary as expected. PR1629450

MX10008 is going to offline state as chassis connection drops after a fresh USB installation. PR1629558

The l2ald might be stuck in "issu state" when unified ISSU is aborted. PR1629678

The egress traffic on non-targeted iflset of subscribers might not be forwarded correctly over targeted aggregated Ethernet interface. PR1629910

Multiple link flaps and traffic might be lost on the links. PR1630006

The kmd daemon might crash generating a core file every few minutes on MX Series platforms. PR1630070

LACP timeout might be observed during high CPU utilization. PR1630201

With SCBE3+SPC3, fabric drops are seen around 10M PPS/60G TCP traffic with approximately 750 byte packet size with IPv6 SFW on a single PIC PR1630223

Index of the link might get missed in the distribution table of Packet Forwarding Engines after the flap. PR1630408

LLDP packets might be sent with incorrect source MAC for RETH/LAG child members. PR1630886

The FPC might crash after enabling MACsec. PR1631010

A clksync crash might be observed and PTP might get stuck. PR1631261

Precision Time Protocol (PTP) might not lock on the MX Series platforms with MX-MPC2E-3D-P and MPC2E-3D LC linecards. PR1631274

The kmd might crash since the pkid requested memory leak occur on MX Series platforms. PR1631443

IPv6 host route prefix match disappear from 'forwarding-table' after a ping test. The 'ping' continues to work, forwarding table entry is not shown. No impact is seen in traffic. PR1631607

Operations dependent on the SDB shared memory might be impacted. PR1631858

RPD core file on RE1 @ krt_inh.c,krt_nexthop.c,krt_remnant.c. PR1631871

When deleting the VNI and there is another VLAN ID-list with a different VNI might cause a traffic loss. PR1632444

The bbe-smgd process might crash after removing and adding a child link from aggregated Ethernet interface. PR1633392

The linecard crash might be observed in a subscriber scenario. PR1633825

Slow chassis memory leak might occur when chassisd related configuration change is committed. PR1634164

In subscriber scenario, traffic drop might be seen when aggregated Ethernet member link is removed. PR1634371

PTP clock class might incorrectly be downgraded to 248 when PTP is enabled on linecard/MIC which does not support phy-timestamping. PR1634569

The FPC might crash on enabling port-mirroring. PR1634570

LACP interface might go down when a sub-interface configuration is added and committed to the aggregated Ethernet interface. PR1634908

When all configured anchor Packet Forwarding Engines are offline on the SAEGW-u, there may be a peer association mis-match between the SAEGW-u and SAEGW-c. PR1634966

CFM CCM PDU is not forwarded transparently on core file MX if the physical interface is configured under protocols oam. PR1635293

BCM SDK publish build fails with error message in description is fixed. PR1635318

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

Precision Time Protocol (PTP) packets having huge correction-field (CF) value coming out from MX Series routers. PR1635877

FPCs might restart because of the faulty PEM module. PR1636118

SFP-1FE-FX might not function properly on MIC-MACSEC-20G. PR1636322

Wrong interface statistics might be reported on MX204. PR1636654

The interface equipped with a QSA adapter might go down. PR1636874

FPC crash might be seen on all MX Series devices with BBE subscriber. PR1637304

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

Locally switched traffic might be dropped on MX10003 with ESI configured. PR1638386

PFE might get stuck after 100G/400G interface flaps. PR1638410

CCL:NGPR: RPD_KRT_RESPOSE_ERROR: krt change failed for prefix error from kernel is "EINVAL -- Bad parameter in request. PR1638745

MX10008 having less required planes for fabric bandwidth degradation behaviour. PR1639212

Time difference is not as expected when DUT exports interface-queue-stats to ipfix-collector tool after changing reporting-interval. PR1639378

pon TLVs from PPPoE-IA tags are not displayed in the show subscribers extensive when preference is set to 'dsl'. PR1640277

"show ldp p2mp tunnel" might not display the correct information. PR1641412

Traffic might be dropped due to the RX queue being full. PR1641793

Traffic drop due to incorrect memory allocation for the default route on MPC10E and MPC11E line cards. PR1642851

PFED CPU increased post ISSU and remains around 65-75 percent for 32000 L2VPN sBNG services. PR1643077

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

The openconfig network-instance/protocols/static-routes/static id list-key might generate an error on encoding through NETCONF. PR1644319

Type5 traffic drop for BGP prefix on Scapa as remote leaf. PR1644458

Post autobandwidth make-before-break, on enabling traffic over conditional metric LSP might silently drop or get discarded. PR1643587

Video console for vRR might not work after an upgrade. PR1644806

Traffic drop with EBGP multipath and EBGP paths equal to the maximum-ecmp limit. PR1645296

MX104 - request chassis afeb restart returns timeout error. PR1645322

The eBGP session might not be established on MX Series devices with MS-MPC and MX-SPC3 cards. PR1645585

Multicast upstream rpf session status is stuck in an unexpected init state. PR1647746

Intermittent traffic drop due to lookup loop with ipv4_arp_ipv6_nd_process_check_arp_nd_pkt and lmem addr error with ppe trap and auto ttrace. PR1650854

BGP PIC edge might drop or discard the traffic after selector corruption PR1653562

When fib-streaming is enabled and two or more collectors are involved, the fibtd core file might be observed due to time synchronization issue. PR1653942

Unified ISSU is getting aborted with ISSU is not supported for Clock Synchronization (SyncE). PR1652838

ACX7509 :: One LAG would support 64 member links for 21.4R1-EVO PR1627951

The subscribers might be deleted when host-prefix-only statement is configured on the underlying-interface in GRES scenario. PR1630229

The syslog messages and the dcd crash might be seen in Junos OS. PR1633339

VRRP route tracking for routes in VRF might not work if chained-composite-next-hop ingress l3vpn is used. PR1635351

Some daemons might get stuck when snmpd is at 100 percent CPU utilization. PR1636093

FPC might crash if the continuity-check interval under CFM is modified. PR1636226

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

On Junos OS Release 20.3 and later, the tracking routes of VRRP might become unknown after upgradation. PR1639242

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

The aaggregated Ethernet interface with 400GE flaps on adding and then removing a 400GE member link. PR1641585

The RCP session number reaches the maximum limit with an impact on the traffic. PR1643855

The lacpd might not come up on one of the links in the aggregated Ethernet bundle. PR1647145

Authenitcation key cannot be configured with more than 15 character. PR1650873

Significant performance improvements were made to JWeb in this release. PR1652676

Circuit-id handled incorrectly with backup node for ALQ with topology discover configured. PR1620461

The jdhcpd process crashes in DHCP/DHCPv6 environment. PR1625011

Option 82 might not be attached on DHCP request packets. PR1625604

IPv6 IA_NA or IA_PD routes might get deleted from the DHCPv6 client. PR1629171

Non-DHCPv4 BOOTP protocol packets might not be processed if enhanced subscriber management is enabled. PR1629172

Aggregated Ethernet interface remains up after deleting the loopback and ae interface IP on the neighbor while verifying BFD sessions on the router. PR1640240

The jdhcpd core file might be seen if TCP connection is restarted between the ALQ peers. PR1644919

Standby secondary LSP might get stuck on the same path as primary LSP upon reoptimization. PR1615326

LDP protections paths might not be established when auto-targeted-session statement is deactivated and activated again. PR1620262

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

The timestamp of 'MPLS traceroute detail' information does not calculate sub-second data properly. PR1632449

VCCV BFD session keeps flapping between MX Series and peer device if ultimate-hop popping is enabled. PR1634632

[mpls] [LDP-Tunneling] : mx2020 :: rpd core@ldp_destroy_lib is observed in MX2020 post GRESS. PR1635863

The rpd memory leak might be observed in a subscriber management environment with RSVP. PR1637645

LSP over broadcast segment stays down when RSVP setup protection is enabled. PR1638145

Dynamic bypass LSP might flap at every re-optimization interval. PR1639292

FRR and backup LSP is not triggered upon IGP change when RSVP graceful-restart or no-reliable is configured without global graceful-restart. PR1648833

Ephemeral instance configuration is not removed even after deleting the ephemeral instance from set system configuration database. PR1553469

Rtsdbd core file might be seen when an IPsec configuration is activated and then deactivated. PR1610594

The ppmd process might crash after an upgrade on SRX Series platforms. PR1335526

On MX Series and PTX Series platforms, vmcore on master Routing Engine might be reported because of the mbuf corruption. PR1602442

MX Series-based line cards might crash when the Packet Forwarding Engine memory is hot-banking. PR1626041

Unrealistic service accounting statistics might be reported because of the firewall counter corruption. PR1627908

Error message "gencfg_cfg_msg_gen_handler drop" might be seen after performing the commit command. PR1629647

The packet drop might be seen on an FPC on the MX Series devices. PR1631313

IP monitor might install default route with incorrect preference value when multiple IP monitoring is configured PR1634129

Continuous fabric link sanity check interrupts in intervals of weeks resulting in traffic drop at some point of fabric input block. PR1636060

During unfied ISSU on MX Series platforms an FPC might crash. PR1637618

vmxt_lnx core found @ topo_get_link jnh_features_get_jnh jnh_stream_attach. PR1638166

The input-vlan-map (pop) might not work on PS interfaces if the native VLAN is in use on the uplink interface. PR1640254

Routing Engine switchover might result in traffic loss in certain scenario. PR1643416

SCB reset with Error : zfchip_scan line = 844 name = failed due to PIO errors. PR1648850

Existing routing policies might change when global default route-filter walkup is changed. PR1646603

Observing commit error while configuring routing-options rib inet6.0 static on all Junos OS platforms. PR1599273

The rpd might crash and restart when NSR is enabled. PR1620463

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

Multipath route with List-NH which has Indirect-NH as members fails into BGP-LU. PR1626756

eBGP multipath route get stuck in KRT queue. PR1626966

For prefixes leaked from BGP to IS-IS, the P flag will be set for Prefix-SID advertised from IS-IS. PR1627322

The traffic might be ceased in PIM scenario. PR1627990

The contributing routes might not be advertised properly if from aggregate-contributor is used. PR1629437

The multicast forwarding cache might not get updated after deactivating the scope-policy configuration. PR1630144

The BGP ECMP might not work and multipath route wont be created PR1630220

The rpd might crash when BGP labeled-unicast family routes are present and BGP multipath is turned on PR1630987

The rpd might crash after clearing isis database PR1631738

The rpd might get into an infinite loop while clearing IS-IS database. PR1632122

The BGP session might flap after an rpd crashes with 'switchover-on-routing-crash' and NSR is enabled in a highly scaled environment. PR1632132

IS-IS database might not be synchronized in some multiple areas. PR1633858

Multipath route for a VPN prefix is formed due to incorrect BGP route selection logic. PR1635009

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

The multicast traffic might get dropped in the Packet Forwarding Engine. PR1638141

The BGP peer might stay down in shards after doing a rollback. PR1643246

The BGP route might still be present in the multipath route after you increase the IGP cost. PR1643665

Passive BGP session in no-forwarding instance might not come up. PR1645010

BGP PIC protection is not working in virtual router. PR1653356

L2TP tunnels go down and might not re-establish after restarting the bbe-smgd process. PR1629104

Tunneled subscribers might get stuck in terminating state in L2TP subscriber scenario. PR1630150

DTCP radius-flow-tap fails to program Packet Forwarding Engine when you trigger X-NAS-Port-Id exceeding 48 character length. PR1647179

RADIUS Change of Authorization (COA) NAK might not be sent with the configured Source Address in a virtual-router environment PR1625858

Event-timestamp in RADIUS Acct-Stop might show future time. PR1643316

Pool drain with APM do not work. PR1652715

JDI-RCT:BBE:Authd core@thr_kill () at thr_kill.S:3. PR1655832

Junos upgrade might fail with error "configuration database size limit exceeded". PR1626721

You cannont install the multicast route after exporting the secondary routes from one instance to another. PR1562056

The rpd process might crash during unified ISSU if the auto-sensing statement is enabled for l2circuit. PR1626219

Type 7 routes might be lost in MVPN+PIM SSM scenario. PR1640487

The multicast tunnel interface is not selected as per the draft-Rosen configuration. PR1642182