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Resolved Issues

 

This section lists the issues fixed in the Junos OS main release and the maintenance releases.

For the most complete and latest information about known Junos OS defects, use the Juniper online Junos Problem Report Search application.

Resolved Issues: 17.1R2

EVPN

  • Route Target per bridge domain for EVPN is not supported. PR1244956

  • On QFX10000/QFX5100/QFX5200 Series with VXLAN/EVPN configured, when multiple IP addresses are configured for VTEP source interface, traffic might be dropped on spines. PR1248773

Hardware

  • QFX10008: After the reboot of 30X100G line card and 36X40G line card with traffic running, a large amount of framing errors are observed. PR1223330

  • QFX10008 and QFX10016: 60x10G ULC 1G mode is not supported in Junos OS Release 17.1R1. PR1239091

  • SFP-T in QFX5100-48S-6Q does not work at 100M full duplex in Junos OS Releases 14.1X53-D35 and later (it works in Junos OS Release 14.1X53-D30). PR1250453

High Availability (HA) and Resiliency

  • ISSU to 17.1R1 from earlier releases is not supported on QFX5100 and EX4600. PR1255878

Interfaces and Chassis

  • Backup links are not carrying traffic when the primary link is disabled on an aggregated interface. PR1208614

  • The traffic might not be transmitted correctly after a logical interface is deleted from one VLAN and added to another VLAN on EX9200, EX4300, QFX Series switches. PR1228526

  • Removal or insertion of a transceiver for a port in a LAG, which is part of scaled VLAN members may cause protocol flap. PR1229547

  • FPC reloads unexpectedly during port speed change from 100G to 40G default. PR1256267

Layer 2 Features

  • Incorrect statistics might be shown for an AE interface after rebooting a device or clearing interface statistics. PR1228042

  • If RTG and VSTP are configured on the same VLAN, communication doesn't work over RTG interfaces. PR1230750

  • DHCP offer packets (with MPLS header) are getting dropped on ingress of QFX10000 switches; DHCP relay running on VRF. PR1243936

  • QFX10000: IPv6 double tag frame does not pass through QFX10000 switches if a service provider style configuration is used. PR1254492

  • S-Link macs are not moving across MC-LAG chassis on QFX10000 switches. PR1260316

  • The BUM traffic from ESI peer might be transmitted to CE interface after deleting and adding VLAN in a VXLAN/EVPN multihoming scenario. PR1260533

  • QFX5100 does not transfer BPDU packets even though xSTP is disabled. PR1262847

MPLS

  • LSP traffic loss occurs after changing chained-composite-next-hop configuration. PR1243088

Network Management and Monitoring

  • IPv6 packets/bytes counter show higher value than the total packets/bytes of the interface if the LAG child members belong to the same PE device. PR1232388

  • SNMP trap messages about FRU power off might be seen even though the power supply is working fine. PR1233537

  • When the MAC age timer is longer than the ARP age timer, after the ARP timer ages out both MAC and MAC+IP get advertised by all ESI peers regardless of who learns locally. PR1238718

  • Users may loose the sFlow configuration when they upgrade to Junos OS Release 17.1R1 from Junos OS Release 15.1X53-D6x. Also, when they downgrade to Junos OS Release 15.1X53-D6x from Junos OS Release 17.1R1, the downgrade may fail. PR1240804

  • sFlow may show a negative count for a number of samples after a long run. PR1244080

Platform and Infrastructure

  • Protocol flapping and an RE-FPC TCP connection drop are seen on Virtual Chassis setups during image copy using SCP. PR1213286

  • QFX10002: show chassis fpc shows the wrong number of slots. PR1219853

  • High latency/jitter might be seen while trying to ping the IP address of a switch. PR1221053

  • The rpd process might crash and restart when a MAC address is learned from a given PE on a different ESI. PR1247338

  • On QFX5100, show interface incorrectly displays an interface as Link-mode: Auto Speed: Auto even though the interface is configured for, and up at, 100M/Full. PR1260986

  • QFX5100 VCF: Removing force-up causes return-traffic to be dropped by leaf (to spine). PR1264650

  • Description for 40G-AOC cable in show chassis hardware shows UNKNOWN. PR1269018

Routing Protocols

  • RA packet might not be sent when igmp-snooping is configured for VLAN. PR1238906

  • Layer 3 interface (inet family) is not supported as upstream port in multicast route leaking. PR1250430

  • QFX10008 and QFX10016: While flapping random LAG interfaces with 448 LAG scale, you can see other LAG interfaces getting flapped. PR1250741

  • After running restart routing in the master RE, the PIM join states of VXLAN multicast groups in the backup RE are not in sync with the master RE. PR1255480

  • VCF doesn't forward BUM traffic after fabric-tree-root is configured. PR1257984

  • VRRP with MD5 authentication and OSPF3 packets with IPsec do not go the proper host path queue and can cause flapping. PR1258501

  • On a QFX5100 switch, TCP packets with destination IPv6 as link-local address and destination port 179 are dropped in the Packet Forwarding Engine. PR1267565

  • IPv4 traffic drops when changing the member interface of the LAG. PR1270011

Software Installation and Upgrade

  • After upgrading a QFX10000 switch from Junos OS Release 15.1X53-D62 to Junos OS Release 17.1R1, the vrf-target export target: community-name configuration statement might be missing from the [protocols evpn vni-options vni] hierarchy level. To work around this issue, you must add the missing configuration statement back to the [protocols evpn vni-options vni] hierarchy level. PR1243105

Resolved Issues: 17.1R1

High Availability (HA) and Resiliency

  • The AE interface might be down after NSSU is done on QFX5100 or EX4600 switches. PR1227522

  • QFX5100 : When network analytics feature is configured, TISSU might fail and cause the generation of fxpc core file. PR1234945

  • ISSU to Junos OS Release 17.1R1 from earlier releases is not supported on QFX5100 and EX4600. PR1255878

Interfaces and Chassis

  • Users may see the error message expr_cos_rw_nh_qix_get @ 150: Unable to get chip num for ill:994 on mc-ae status-control active node upon sending an ARP request. These messages are for information only and have no functional impact on the operation of QFX10008/QFX10016. PR1228080

  • CDP packets looping with MC-LAG on QFX10000 switches. PR1237227

Layer 2 Features

  • Unable to assign VLAN to an interface after error message IFBD hw token couldn't be allocated for is output. PR1216464

  • Incorrect statistics might be shown for an AE interface after rebooting device or clearing interface statistics. PR1228042

  • The fxpc process can generate a core file on QFX5100. PR1231071

  • MAC learning is very slow when clearing MAC addresses in cases of scale MAC learning (128k). PR1240114

  • DHCP offer packets (with MPLS header) are getting dropped on ingress of QFX10000, DHCP relay is running on VRF. PR1243936

MPLS

  • The fxpc crash observed on the switches. PR1168150

  • VC/VCF-l2ckt: FXPC core is seen when deactivating core interface on MPLS l2ckt configuration using IRB interface. PR1242203

Network Management and Monitoring

  • In some cases under heavy logging SD logger messages which report critical events such as daemon restarts are not seen on the aggregator.PR1239667

Platform and Infrastructure

  • Protocol flapping and RE-FPC TCP connection drop seen on VC setups during image copy using scp. PR1213286

  • A high latency/jitter might be seen while trying to ping the IP address of a switch. PR1221053

  • On QFX10000 switches, there is a 4-second delay seen in 40g ports to come up QSFP+-40G-LR4. PR1219336

  • A pfed core file is observed after deleting apply-groups from the configuration. PR1223847

  • The alarm message Management Ethernet Link Down might be seen on QFX Series switches. PR1228577

  • On QFX10002 switches, when a USB device is inserted into the switch, field-replaceable unit (FRU) insertion messages such as RE0 & ?CAMGETPASSTHRU ioctl failed cam_lookup_pass: Inappropriate ioctl for device? may be displayed. These FRU insertion messages do not affect service and stop after the USB device is removed. PR1233037

  • SNMP trap messages about FRU power off might be seen even though the power supply is working fine. PR1233537

  • The show interface interface media command shows the media type for the SFP-T to be fiber. PR1240681

  • The rpd process might crash and restart when a MAC address is learned from a given PE on a different ESI. PR1247338

  • Network ports are not detected on a QFX10002 switch after a reboot. PR1247753

  • On QFX10000 switches, internal comments can be seen in the configuration file after loading the factory default. PR1248434

  • Traffic is dropped on spines in some VXLAN/EVPN scenarios. PR1248773

  • SFP-T in QFX5100-48S-6Q does not work at 100M full duplex in Junos OS Releases 14.1X53-D35 and later (it works in Junos OS Release 14.1X53-D30). PR1250453

Routing Protocols

  • EBGP packets with ttl=1 and non-EBGP packets with ttl=1 go to the same queue. PR1227314

  • The action "reset" is not working for FPC resiliency (fault handling). PR1233075

  • FPC restarts with a dcpfe core. PR1236046

  • Hops through GRE tunnel endpoints are seen in traceroute. PR1236343

  • Packet drop is seen when routing process is restarted, even when graceful restart is configured. PR1239186

  • Kernel crashes in the chassis after FPC reset. PR1242362

  • GARP reply packets are not updating the ARP table. PR1246988

  • Layer 3 interface (inet family) is not supported as upstream port in multicast route leaking. PR1250430

Virtual Chassis

  • VCF not communicating properly with backup spine. PR1141965