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Resolved Issues: 21.4R1

Authentication and Access Control

  • The ssh process crashes on Junos OS Evolved paltforms. PR1601150

  • The root password might not be accepted under su on the Junos OS Evolved platforms. PR1607861

Class of Service (CoS)

  • The MPLS fixed classifiers might not work on the Junos OS Evolved platforms. PR1616492

Flow-based and Packet-based Processing

  • The msvcsd process might get crashed when youenable the nexthop-learning command with the jFlow service. PR1620569

General Routing

  • New alarm is reported for three consecutive failures on a particular fan tray (this can be power or fan failure). PR1500920

  • The device might run out of service post GRES or unified ISSU. PR1558958

  • request system zeroize command does not delete snapshot images from the backup hard disk drive. PR1569294

  • The static MACs configured over the aggregated Ethernet interface might not get programmed while forwarding after the FPC restarts. PR1581325

  • Certain fields in the GNMI extension header and show network-agent statistics command display incorrect values if the input subscription path contains the : character. PR1581659

  • Packet might be lost during global repair of FRR. PR1586122

  • The RPD_KRT_KERNEL_BAD_ROUTE error message might be generated in certain scenarios when the rpd restarts or GRES when you enable NSR, which has no functional impact. PR1586466

  • Removing SIB without switching it to the Offline mode might impact traffic. PR1586820

  • Telemetry leaves used-power and allocated-power under the /components file do not display correct value. PR1587184

  • On PTX10008 routers, the error message that gets generated when you issue the request chassis cb slot 1 offline command needs to be corrected before the node goes offline. PR1589433

  • Duplicate Junos Telemetry Interface leaf oper-status tag for IFD index 16386 displays mismatched value. PR1592468

  • The l2cpd-agent process might become unresponsive after starting the telemetry service. PR1592473

  • After the Routing Engine switchover, the error message JexprSlowCntrRead - Unable to get the plct Inst for pfeIdx: 255, User-type: OVFM_OFFCHIP_NEXTHOP_CNTR gets generated. PR1593079

  • The TCP connections to the telemetry server might be become unresponsive in the CLOSE_WAIT state. PR1593113

  • The BFD session for MPLS LSP goes down after enabling ultimate-hop-popping. PR1594621

  • PTX10008 routers:: Inconsistent component name for FPC CPU. PR1595109

  • On PTX10008 routers, the application error alarms gets generated and the trace-writer process generates core file due to defunct rcp zombie. PR1595409

  • Layer 2 VPN stops forwarding when you change the interface encapsulation to VLAN circuit cross-connect (VLAN CCC) from ethernet- circuit cross-connect (Ethernet CCC) and back. PR1595455

  • Some TCP sessions might not be established after you issue the request system snapshot command. PR1595470

  • [Error]Jexpr: cannot find ifToken for counterType:12. PR1597355

  • The aftmand process might generate core file on Junos OS Evolved platforms. PR1597649

  • On PTX10016 routers, the Major Host # Ethernet Interface Link Down false alarm gets generated. PR1597763

  • On PTX10001-36MR routers, there is inconsistency in the platform name that gets used in multiple places, version, and snmp mibs. PR1597999

  • Master-only IP address in the old primary Routing Engine (new backup) and the device become inaccessible after the Routing Engine switchover. PR1598173

  • On PTX10008 routers, the BFD sessions do not go down after adding the input or output filter to block the BFD IPv4 or IPv6 packets. PR1599257

  • On PTX10008 routers, the FTC status LED and SIB power LED are unlit or off. PR1600178

  • The config interface ip remove command does not work correctly. PR1600932

  • On PTX10008 routers, the set chassis redundancy routing-engine 1 master command does not change the default Routing Engine election priority. PR1601430

  • After you delete the old VLAN and then add new VLAN, the lag interface is not learnt by the static VLAN. PR1601915

  • On PTX10008 routers, the aftman process generates core files at jexpr_if_logical_l2d_alloc while you power off or on all the Packet Forwarding Engines across all FPCs. PR1602035

  • On PTX10003 routers, the IRB ping fails after you power off or on the underlying Packet Forwarding Engine for the aggregated Ethernet child member. PR1602181

  • On PTX10003 routers, the GRE keepalive packet with recursion control bit set get dropped. PR1602353

  • On PTX10008 routers, powering off the Packet Forwarding Engine generates the Jexpr: deleteFdbEntry: Null error messages. PR1602670

  • The show system errors fru detail command does not display reset-pfe as the cmerror configured action. PR1602726

  • The evo-aftmand-bt process generates the [Error] IfStats:map entry not present for ifl:1039 error message. PR1604334

  • The channel 0 IFDs does not come up after adding the correct speed configuration. PR1604810

  • Remote aggregated Ethernet interface member failure (trough disable or laser-off) might cause high tail drop that results in a high traffic loss. PR1604823

  • The host loopback wedge might be detected in the Packet Forwarding Engine when you delete the aggregated Ethernet interface bundle configuration. PR1605599

  • On PTX10008 routers, the Fan Tray Controller removal/absence alarm gets generated. PR1605987

  • Segment Routing License issue might occur when you use the default chained-composite-next-hop configuration. PR1606377

  • On PTX10008 routers, around 500ms to 800ms of traffic might be lost with one of the aggregated Ethernet interface member links of p2mp LSP branches down. PR1606839

  • Memory might leak on the l2cpd process when you perform certain LLDP operations. PR1608699

  • On PTX10000 routers, defunct rcp processes increase that might cause the primary Routing Engine to reboot. PR1608776

  • On PTX10008 routers, the evo-aftmand-bt.fpc_x86_64 process generates core file at jexpr_pile_malloc with LSR core profile configuration. PR1608999

  • High priority queue might not get the expected bandwidth on Junos OS Evolved platforms. PR1609823

  • The show pfe statistics traffic command does not display the host bound traffic. PR1611115

  • After PICD restarts, the interface goes into the Down state in the channelized 100G link. PR1611379

  • The IS-IS session might not come up when the network type is p2p for IRB interface. PR1612606

  • Some of the fabric links might go into the Faulty state after swapping the FPC LC1201 with LC1202. PR1612624

  • Mitigate false wrap gets drops statistics when IFDs move into or out-of an aggregated Ethernet interface while IFD drops excess traffic. PR1613889

  • On PTX10016 routers, SIBs and FPCs go into the Active or Online state twenty-two minutes after loading the Junos OS Evolved Release image 21.2R1-S1-202108130158.0-EVO. PR1614489

  • Line cards might become unstable due to the continuous memory usage of the evo-cda-bt application. PR1614952

  • Twenty-seven percent traffic loss appears at the 221B packet size in Junos OS Evolved Release 21.4 as compared to Junos OS Evolved Release 21.2R1. PR1615524

  • On PTX10008 routers, after FPC becomes offline, minor cm-errors might occur for ZFI block on other FPCs. PR1616179

  • Inconsistent error counts appears in the show interfaces brief and show interfaces extensive command. PR1616765

  • The aftmand process generates core files at RtIfaHandler::notifyCommand,EalIfaHandler::registryClientCommand ,EalIfaHandler::OnAdd (this=0x7f2ffe40e9a0 EalIfaHandler::instance()::handler, ifah=...) at ../../src/EalIfaHandler.cpp:222. PR1616909

  • While migration from Junos OS to Junos OS Evolved, you must delete the chassis redundancy failover or disable the chassis redundancy failover. PR1617720

  • Multicast traffic to a mixed high-priority and low-priority OQs of a busy port might suffer drops of higher-priority multicast. PR1618026

  • On PTX10001-36MR routers, issuing request system snapshot command does not capture the snapshot message in the /etc/motd file. PR1618946

  • InputIntf is reported incorrectly for the MPLS-IPv4 and MPLS-IPv6 ingress sampling in case of Layer 3 VPN. PR1619052

  • The hwdre process might crash when an FPC gets pulled out or some FPC power failure occurs. PR1619102

  • The /interfaces/interface/subinterfaces/subinterface/state/counters are not exported during the initial synchronization for an on-change. PR1620160

  • PIC becomes unnresponsive in the Offline state when you issue the Offline command right after the transceiver plugin. PR1621694

  • ZTP does not work properly on all the PTX Series routers if you use an EX Series switch as a DHCP server. PR1621987

  • On PTX10008 routers, interface goes into the Down state while performing Custom Optics Profile validation for low power mode in the non-channelized mode. PR1624228

  • On PTX10008 routers, the continuous information level evo-aftmand-bt:Pfe:controller add for fru :controller modify for fru:fru power-on (block mode) for fryu:initiating online (block mode) for fru syslog message might be generated. PR1624375

  • The show pfe route ip command times out when the route table size is large. PR1624629

  • Need to add the show cda pipestats command to more Junos OS Evolved Releases for serviceability. PR1626687

  • Junos OS Evolved-based PTX platforms observes incomplete objects anomalies with scale beyond 16,000 logical interfaces in the system. PR1573994

  • On PTX10008 routers, CB 1 goes in to the Fault Standby state after issuing the request node power-off re1 command. PR1581476

  • On PTX10008 routers, the EVPN-VXLAN shared tunnel commands must be removed. PR1598142

  • GNMI Set RPC does not work with multiple operations. PR1609436

  • The CDA-BT process generates a core file when turn FPC offline. PR1615343

  • Device does not respond to traceroute while checking traceroute over VPN. PR1615677

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

  • Limitation with fast-lookup-filter (FFT) usage in the ISF mode exist. PR1616804

  • SNMP get for MIB value for jnxRedundancyConfig does not work as expected. PR1621101

  • SNMP get for MID ID for jnxRedundancySwitchoverReason does not work as expected. PR1621103

  • Telnet service might be enabled when you disable the service. PR1596411

  • The evo-aftmand process might crash in a scaled configuration scenario. PR1597988

  • Telemetry data collection does not work on the FPC:PIC:PORT component if you configure telemetry on Junos OS Evolved platforms. PR1599665

  • The following error message gets generated after the FPC restarts:

  • Software validation or upgrade might fail on the Junos OS Evolved platforms. PR1603479

  • The telnet or ssh session might not be established on the PTX Series platforms running Junos OS Evolved. PR1605753

  • The aggregated Ethernet interfaces with 32 or more member-links might observe larger load-balance deviation between the member-links. PR1607708

  • Power consumption report does not display correct values. PR1608607

  • IPv6 reachability fails in management-instance. PR1608619

  • Session connections might reset if the backup Routing Engine with NSR configured on Junos OS Evolved platforms. PR1611520

  • The hwdfpc process might crash on all Junos OS Evolved platforms. PR1624841

  • The IP not-ECN-capable traffic does not get RED-dropped in an ECN-enabled congested queue. PR1627496

  • Indirect next-hop (INH) version ID higher than 255 might cause INH NH FRR session in to the Down state and drop the transit traffic. PR1630215


  • Egress TCP RST might not correctly populate the DSCP field. PR1612208

  • The Host 0 Active Disk Usage Exceeded alarm might be generated due to a large number of files under the /var/log/journal file, which were held by the eventd daemon. PR1601251

  • ICMP tunneling might not work. PR1605465

  • The default-address-selection command might not work on all Junos OS Evolved platforms. PR1608877

Interfaces and Chassis

  • The sensor of the Junos Telemetry Interface optics alarm data type changes from bool_val to str_val. PR1580113

  • SIB might become unresponsive at the Offlining state after performing offline and online operations. PR1591076

  • The 25G interfaces with FEC91 goes in the Down state on a few configurations. PR1594740

  • On PTX10003 routers, the show platform object-info anomalies summary command times out. PR1598337

  • The LACP system priority might take a value of 0 and cause an LACP interoperability issue. PR1602724

  • A few links on the channelized interface goes in the Down state after oir_enable and oir_disable in 4X25G. PR1606644

  • IRB VGA MAC IP is missed if you configure the IRB logical interface first with a mac-address. PR1611559


  • The rpd process generates core file in the backup Routing Engine at mirror_process_recvd_data_queue with the MLDP NSR configuration. PR1594405

  • Static LDP P2MP might fail after NSR switchover. PR1598344

  • SNMP traps does not get generated for the second trap group. PR1623201

  • Traffic loss might occur in some SR-TE scenario. PR1602127

Network Management and Monitoring

  • The syslog archival transfer fails if you configure the archive site URL with an IPv6 address. PR1603342

  • Incorrect IF-MIB::ifHCInUcastPkts and ifHCInBroadcastPkts statistics gets displayed. PR1621606

  • Syslog messages might be lost partially in case of excess messages generated to the eventd process. PR1612535

Routing Policy and Firewall Filters

  • The dfwd-junos-relay process might generate core file during the Routing Engine switchover. PR1597853

  • The configuration check fails if you configure more than eight FCs and enable CBF. PR1600544

  • The dfwd process crashes when the no-decrement-ttl filter match condition and action is sent from the control plane to the Packet Forwarding Engine. PR1602645

  • The firewalld process might crash if you configure the fragment-offset out of the range (fragment-offset 1-900000000000). PR1605805

  • Filters in openconfig acl execute terms in the order of their definition and not based on sequence-ids. PR1621620

  • Services might not work after committing the firewall filter counter configuration with similar name of two terms. PR1625168

Routing Protocols

  • The IPv4 static route might still forward traffic unexpectedly even when the static route configuration has already been deleted. PR1599084

User Interface and Configuration

  • Updates to the system login configuration might not reflect after a commit. PR1589858

  • The file copy command does not accept the HTTPS URls. PR1596881

  • Configuration transfer-on-commit does not work if you commit through netconf. PR1602331

  • Authentication fails while logging on Junos OS Evolved platform through SSH. PR1594327

  • The file copy failure occurs through the Netconf or operation script. PR1597550