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Resolved Issues: 21.1R2

Class of Service (CoS)

  • The buffer allocation for VCP ports might not get released in Packet Forwarding Engine after physically moving the port location. PR1581187


  • Traffic loss might be seen if aggregated Ethernet bundle interface with ESI is disabled on master Routing Engine followed by a Routing Engine switchover. PR1597300

General Routing

  • MPPE-Send or Recv-key attribute is not extracted correctly by dot1xd. PR1522469

  • FPC(s) might not boot-up on EX9214 in a certain condition. PR1545838

  • Classifier is not programmed in the hardware and error logs might be seen in syslog. PR1548159

  • "Cattle-Prod Daemon received unknown trigger (type Semaphore, id 1)" error messages seen on the vty when we issue CLI commands to fetch host route scale. PR1554140

  • FPC with power related faults might get on-lined again after fabric healing has off-lined the FPC. PR1556558

  • On the EX4300 device, script fails while committing the IPSec authentication configuration as the algorithm statement is missing. PR1557216

  • The MAC addresses learned in a Virtual Chassis might fail due to aging out in the MAC scaling environment. PR1558128

  • Some transmitting packets might get dropped due to the "disable-pfe" action is not invoked when the fabric self-ping failure is detected. PR1558899

  • The tunable optics SFP+-10G-T-DWDM-ZR does not work. PR1561181

  • EX3400VC - SMARTD pollutes syslog every 5 seconds after upgrading and rebooting the system. PR1562396

  • On EX3400VC line of switches, the DAEMON-7-PVIDB throws syslog messages for every 12 to 14 minutes after you upgrade to Junos OS Release 19.1R3-S3. PR1563192

  • The JWeb upgrade might fail on EX2300 and EX3400. PR1563906

  • The DHCP client might not obtain IP address when dhcp-security is configured. PR1564941

  • The new master Routing Engine post switchover might go into DB mode (or crash) on EX Series platforms. PR1565213

  • On the EX Series Virtual Chassis, the following continuous message is observed: agentd-pfe-proxy_telemetry_publisher. PR1566528

  • On the EX4600 line of switches, the following internal comment is displayed: Placeholder for QFX platform configuration. PR1567037

  • The rpd crashes and generates a core file while booting the device. PR1567043

  • The 40G DAC connection between EX9253 and the peers might not come up. PR1569230

  • Packet loss might be observed when sample based action is used in firewall filter. PR1571399

  • Port-mirroring might not work when the analyzer output is a trunk interface. PR1575129

  • Protocol convergence between end nodes might fail when L2PT is enabled on transit switch. PR1576715

  • The device implemented with different service image version might become VC member as unexpected. PR1576774

  • MVR configuration cannot be configured on EX2300-C switches. PR1577905

  • The fxpc process might crash on EX Series platforms. PR1578421

  • Random or silent reboot might be seen on EX2300-24MP/EX2300-48MP platforms. PR1579576

  • Some 40G ports might not be channelized successfully on the EX Series platforms. PR1582105

  • The voice VLAN might not get assigned to the access interface. PR1582115

  • When EX2300-MP in standalone mode is used as a DHCP server, initial set of packets received in the server might get dropped. PR1583983

  • After performing NSSU, "timeout waiting for response from fpc0" error message is seen while checking version details. PR1584457

  • DSCP rewriting might fail to work on EX2300. PR1586341

  • The SNMP trap for MAC notifications might not be generated when an interface is added explicitly under switch-options. PR1587610

  • Process dot1xd crash might be seen and re-authentication might be needed on EX9208 platform. PR1587837

  • The rpd crash might be observed on the router running a scaled setup. PR1588439

  • Packet loss might be observed on dynamically assigning VoIP VLAN. PR1589678

  • Traffic loss might be observed for interface configured in subnet. PR1590040

  • The LLDP packet might loss on the EX-4300MP platform if configuring LLDP on the management interface. PR1591387

  • show pfe filter hw might generate an error "ERROR (dfw): Unknown group id: 21" message. PR1592096

  • xSTP might not get configured when enabled on a interface with SP style configuration on all platforms. PR1592264

  • Storm control profile might not be applied on EX2300 platforms. PR1594353

  • On a EX4400 Virtual Chassis, log messages related to FAN settings will be observed in chassis traceoptions file. PR1594446

  • On EX4400 Virtual Chassis, linecard member console might fail to redirect to Virtual Chassis master. PR1599625

  • The upgrade using phone-home feature from Junos OS Release 20.2 or earlier to Junos OS Release 20.3 or later release will fail on EX2300/EX4650. PR1601722

  • On EX4400 dot1x authentication might not work on EVPN/VXLAN enabled endpoints. PR1603015


  • EX 4300 VC/VCF : Observing HEAP malloc(0) detected. PR1546036

  • For EX4400 product family, net installation (PXE) is not working. PR1577562

  • Some MAC addresses might not be aged out on EX4300 platforms. PR1579293

Interfaces and Chassis

  • MC-LAG interfaces might go down if the same VRRP group-id is configured on multiple IRB units.PR1575779

  • The aggregated Ethernet interface might flap. PR1576533

  • ARP resolution failure might occur during VRRP failover. PR1578126

  • Incorrect advertisement threshold values are seen on VRRP groups when VRRP is configured on EX2300 switches. PR1584499

Layer 2 Features

  • MAC addresses learnt from the MC-LAG client device might keep flapping between the ICL interface and MC-AE interface after one child link in the MC-AE interface is disabled. PR1582473

Layer 2 Ethernet Services

  • Aggregated Ethernet interface flap might be seen during NSSU. PR1551925

  • The DHCP client will be offline for 120 seconds after sending the DHCPINFORM message in the DHCP relay scenario. PR1575740


  • Incorrect EXP bit change might be seen in certain conditions under MPLS scenario. PR1555797

Platform and Infrastructure

  • EX3400 VC - Console access on backup VC member is not allowed. PR1530106

  • Upon receipt of specific sequences of genuine packets destined to the device the kernel will crash and restart (vmcore). PR1557881

  • The LLDP neighbor advertisement on EX4300 might send the incorrect 802.3 power format with TLV length 7 instead of length 12. PR1563105

  • "Last flapped" timestamp for interface fxp0 gets reset every time "monitor traffic interface fxp0" is executed. PR1564323

  • PFEX might crash when soft error recovery feature is enabled on a Packet Forwarding Engine. PR1567515

  • On all EX9200 platforms with EVPN-VXLAN configured, the next hop memory leak in MX Series ASIC happens whenever there is a route churn for remote MAC-IP entries learned bound to the IRB interface in EVPN-VXLAN routing instance. When the ASIC's next hop memory partition is exhausted, the FPC might reboot. PR1571439

  • Introduce two new major CMERRORs for XM chip-based line card to stabilize the running device. PR1574631

  • DHCP packets with source IP as link-local address are dropped in EX4300. PR1576022

  • The pfex might crash during PIC 4x 1G/10G SFP/SFP+ offline or online. PR1582457

  • Firewall filter is not programmed correctly and traffic might be dropped unexpectedly. PR1586433

  • The egress RACL firewall filter might not get programmed correctly on EX4300 platforms. PR1595797

  • Broadcast traffic might be discarded when a firewall filter is applied to the loopback interface. PR1597548

  • VLAN tagged traffic might be dropped with service provider style configuration. PR1598251

  • The VRRP packets might not be forwarded when mac-move-limit statement is configured. PR1601005

  • ZTP does not work when downgrading from Junos OS Release 21.1R2.2 image to Junos OS Release 21.1R2.1. PR1603227

Routing Protocols

  • The untagged packets might not work on EX Series platforms. PR1568533

  • BGP session carrying VPNv4 prefix with IPv6 next-hop might be dropped. PR1580578

  • The rpd might crash in scaled routing instances scenario. PR1590638

Virtual Chassis

  • EX4600/EX4300 mixed VC : Error message 'ex_bcm_pic_eth_uint8_set' is seen when changing configuration related to interface. PR1573173

  • EX4300 VCP might not come up after upgrade when QSFP+-40G-SR4/QSFP+-40G-LR4/QSFP+40GE-LX4 is used. PR1579430