Resolved Issues: 21.2R2

Upgrading the PTX1000 devices with unified SSDs (2x32G SSD) might result in a boot loop in certain scenario. PR1571275

Mirrored packets get corrupted when you apply filter with action port-mirror and then discard.PR1576914

The RPD_KRT_KERNEL_BAD_ROUTE error message is seen in certain scenarios when the rpd process restarts or GRES happens when NSR is enabled. This error has no functional impact. PR1586466

The na-grpc process crash might be seen and existing telemetry connections will be disconnected.PR1587956

In a telemetry scenario, the jsd process crash might be seen in rare situations.PR1589103

Traffic loss might be observed after changing SAK keys.PR1591432

The l2cpd-agent might go unresponsive after starting telemetry service. PR1592473

On PTX10008 and PTX10001-36MR platforms, sflow sample-rate configuration greater than 16000000 is not supported. PR1592788

[MPC10E] messages log will be filled with Temp Sensor Fail alarm set or clear and cmtfpc_cpu_core_temp_get: Fail to get temp CPU7_PMB messages. PR1597798

On PTX10001-36MR, inconsistency in the platform name used in multiple places, version, snmp mibs, etc. PR1597999

[sflow] [sflow_sample] PTX1000 :: JDI_FT_REGRESSION:PLATFORM_PFE:ROUTING:Longrow: Longrow [PTX1000]:sflow: Sflow data (inner vlan and outer vlan value, forwarding-class, DSCP value) is not exported while checking from server flow-records at the collector for Ingress Sampling. PR1598263

Traffic blackhole might be seen due to the RS Fatal error on FPC-PTX-P1-A/FPC2-PTX-P1A/FPC-SFF-PTX-P1-A/FPC-SFF-PTX-T. PR1600935

The Layer 2 circuit packets with destination mac 01:00:0c:cc:cc:cd might get punted.PR1601360

The IPv6 traffic might get impacted on the PTX platforms when an IPv6 route resolves over a dynamic tunnel. PR1602007

Packet loss might be seen on the filter based GRE deployments. PR1603453

On PTX5000 router, link might flap momentarily. PR1606008

Memory leaks might be observed on the l2cpd process when performing certain LLDP operations. PR1608699

Line-cards might be unstable due to the continuous growing memory usage of evo-cda-bt app. PR1614952

The node name must not be attached to the system hostname under LLDP. PR1593991

The Junos Telemetry Interface optics sensor's alarm data type changed from bool_val to str_val. PR1580113

The LDP replication session might not get synchronized when the dual-transport statement is enabled.PR1598174

VPLS connection might get down if the dual-transport statement is configured.PR1601854

Multicast traffic in MVPN setup might be silently dropped and discarded on platforms acting as transit LSR. PR1555274

On PTX10008 platforms, syslog does not log information on IPv4 after upgrade.PR1611504

In Junos OS, upon receipt of specific sequences of genuine packets destined to the device the kernel will crash and restart (vmcore) (CVE-2021-0283, CVE-2021-0284).PR1557881

The rpd process might crash in a BGP multipath scenario if the interface for a single hop EBGP peer goes down. PR1589141

BGP egress-TE routes lose to BGP routes using the same protocol preference.PR1593332