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Resolved Issues: 21.4R3

Class of Service (CoS)

  • 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

EVPN

  • 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

Forwarding and Sampling

  • 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

General Routing

  • 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 primary 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 Layer 2 related configuration and receiving jumbo-frame packets.PR1606967

  • IPv6 link-local BFD session might not come up on MX Series devices. 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 devices. 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 devices 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

  • The 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 devices. 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

  • The 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

High Availability (HA) and Resiliency

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

Interfaces and Chassis

  • 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

J-Web

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

Layer 2 Ethernet Services

  • 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

MPLS

  • 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

Network Management and Monitoring

  • 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

Platform and Infrastructure

  • 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

Routing Policy and Firewall Filters

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

Routing Protocols

  • 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

Services Applications

  • 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

Subscriber Access Management

  • 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

User Interface and Configuration

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

VPNs

  • 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