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21.1R1-S1: Software Release Notification for JUNOS Software Version 21.1R1-S1

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Article ID: TSB18093 TECHNICAL_BULLETINS Last Updated: 25 Jun 2021Version: 1.0
Alert Type:
SRN - Software Release Notification
Product Affected:
ACX, EX, MX, PTX, QFX, NFX, SRX, VRR, vMX, vSRX
Alert Description:
Junos Software Service Release version 21.1R1-S1 is now available for download from the Junos software download site
Download Junos Software Service Release:
  1. Go to Junos Platforms - Download Software page
  2. Input your product in the "Find a Product" search box
  3. From the Type/OS drop-down menu, select Junos SR
  4. From the Version drop-down menu, select your version
  5. Click the Software tab
  6. Select the Install Package as need and follow the prompts
Solution:

Junos Software service Release version 21.1R1-S1 is now available.

21.1R1-S1 - List of Fixed issues
PR Number Synopsis Category: mgd, ddl, odl infra issues
1582916 Issues seen with scp
Product-Group=junos
scp cli command is not supported on Junos PTX series, we don't need it for Scapa as well. Users can use 'file copy' cli command instead of scp cli command as a workaround.
PR Number Synopsis Category: IDP attack detection in the subscriber qmodules
1588450 Application-identification related signatures might not get triggered
Product-Group=junos
On SRX-Series devices, some of the application-identification(appid) related signatures might not get triggered when there is an update of IDP signature package/application-identification version to 3372.
PR Number Synopsis Category: Layer2 forwarding on EX/NTF/PTX/QFX
1581524 The switchover might be affected with the shared VXLAN tunnel.
Product-Group=junos
On all QFX platforms enabled with shared VXLAN tunnel configuration, if graceful Routing Engine switchover(GRES) or restart of ksyncd is being performed, the new backup RE might not be available for second switchover as it is not getting synced with the master RE, impacting the redundancy.
PR Number Synopsis Category: Issues related to Junos licensing infrastructure
1583438 QFX5200-32C | Reset JBS, JAS, JPS definition to align with new license model
Product-Group=junos
We migrated the licensing paradigm for certain QFX5000 devices. However, some of these devices also had legacy licenses. With a goal that customers upgrading from previous Junos OS releases to these Junos OS releases and see zero friction, we have mapped legacy licenses in the code to align with the Juniper Agile Licensing model. This mapping allows customers to continue to use their legacy licenses. QFX5000-35-JBS expanded to provide features: FBF CFM VRRP QINQ MC_LAG TIMING IGMP PIM GRE_TUNNEL RIP OSPF SWITCHING_VC INMON_SFLOW QFX5000-35-JAS expanded to provide features: BGP IS-IS FBF CFM VRRP QINQ VXLAN PCEP MC_LAG ESI_LAG TIMING ETHERNET_OAM EVPN_VXLAN IGMP PIM GRE_TUNNEL STATIC_MPLS RIP OSPF SWITCHING_VC INMON_SFLOW QFX5000-35-JPS expanded to provide features: BGP IS-IS FBF CFM VRRP QINQ L3VPN VXLAN PCEP MC_LAG ESI_LAG TIMING ETHERNET_OAM LDP RSVP L2_CIRCUIT EVPN_VXLAN IGMP EVPN_MPLS EVPN_SR PIM GRE_TUNNEL STATIC_MPLS RIP OSPF SWITCHING_VC INMON_SFLOW
1583439 QFX5120-48Y | QFX5110-32Q/48S | Reset PFL, AFL definition to align with new license model
Product-Group=junos
We migrated the licensing paradigm for certain QFX5000 devices. However, some of these devices also had legacy licenses. With a goal that customers upgrading from previous Junos OS releases to these Junos OS releases and see zero friction, we have mapped legacy licenses in the code to align with the Juniper Agile Licensing model. This mapping allows customers to continue to use their legacy licenses. QFX5000-C1-PFL expanded to provide features: BGP IS-IS FBF CFM VRRP QINQ VXLAN PCEP MC_LAG ESI_LAG TIMING ETHERNET_OAM EVPN_VXLAN IGMP PIM GRE_TUNNEL STATIC_MPLS RIP OSPF SWITCHING_VC INMON_SFLOW QFX5000-C1-AFL expanded to provide features: BGP IS-IS FBF CFM VRRP QINQ L3VPN VXLAN PCEP MC_LAG ESI_LAG TIMING ETHERNET_OAM LDP RSVP L2_CIRCUIT EVPN_VXLAN IGMP EVPN_MPLS EVPN_SR PIM GRE_TUNNEL STATIC_MPLS RIP OSPF SWITCHING_VC INMON_SFLOW
1589920 QFX5120-48Y (Stage 1), QFX5110-32Q, and QFX5110-48S (Stage 2) | Allow default license for FBF, CFM, VRRP, QINQ, MC_LAG, TIMING, IGMP, PIM, GRE_TUNNEL, RIP, OSPF, VC, SFLOW
Product-Group=junos
QFX51/5200  platforms migrate to the new licensing paradigm. However, some of these devices were sold without licenses. With a goal that customers upgrading from old-Junos release to licensing enable Junos release, see zero friction, licenses for the below features are made available by default. FBF CFM VRRP QINQ MC_LAG TIMING IGMP PIM GRE_TUNNEL RIP OSPF SWITCHING_VC INMON_SFLOW Applicable to QFX5120-48Y (Stage 1), QFX5110-32Q, and QFX5110-48S (Stage 2)
PR Number Synopsis Category: FreeBSD Kernel Infrastructure
1549754 While loading the kernel displays the following error message: GEOM: mmcsd0s.enh: corrupt or invalid GPT detected.
Product-Group=junos
While loading the kernel, user sees the message "GEOM: mmcsd0s.enh: corrupt or invalid GPT detected." This message has no impact on functionality.
1563647 Memory corruption of any binary in /usr/bin/ or /usr/sbin/ may be triggered when a recovery snapshot is being copied to the OAM volume
Product-Group=junos
Memory corruption of a binary from /usr/bin/ or /usr/sbin/ directory can occur if such binary is invoked when a recovery snapshot creation is in progress. The exact symptoms will be different depending on the exact binary and JUNOS version - some programs will show an error, and some programs will crash every time it is executed. Such memory corruption will be persistent until the affected Routing Engine is restarted. Please refer to TSB17954 (https://kb.juniper.net/TSB17954) for further details.
PR Number Synopsis Category: QFX EVPN / VxLAN
1560038 On the QFX5110 line of switches, the untagged traffic routed over native-vlan might be dropped.
Product-Group=junos
On QFX5110 platforms in VXLAN Layer3 Gateway scenario, untagged traffic routed over native-vlan-id interface might be dropped.
PR Number Synopsis Category: security-intelligence feature on SRX
1582827 When a vSRX was performing DNS sinkholing, the sinkhole response packets that it would generate had incorrect checksums. This would cause the receiving client to drop the packet and not be directed to the vSRX's sinkhole
Product-Group=junos
When a vSRX was performing DNS Sinkholing, the Sinkhole response packets that it would generate had incorrect checksums. This would cause the receiving client to drop the packet and not be directed to the vSRX's sinkhole
PR Number Synopsis Category: MPC7/8/9 Interface Issues
1574279 QSFP 4x10G interface might not come up after FPC reboot
Product-Group=junos
On EA-based MX platforms with QSFP module, QSFP 4x10G interface fails to come up after FPC reboot.
PR Number Synopsis Category: usf ams related issues
1596976 CGNAT MX SPC3 AMS warm-standby 1:1 redundancy problem with CLI CPU statistics lost data after PIC failover.
Product-Group=junos
CGNAT MX SPC3 AMS warm-standby 1:1 redundancy problem with CLI CPU statistics lost data after PIC failover. show services service-sets cpu-usage - Does not display service sets show services sessions utilization - Missing session count, the rates and CPU values.
 

21.1R1-S1 - List of Known issues
PR Number Synopsis Category: Software build tools (packaging, makefiles, et. al.)
1565069 ztp] [ZTP]:QFX5210-64C : Unable to execute python/shell scripts on QFX5210 in Flex mode
Product-Group=junos
Starting 21.1R1, Junos will be shipping with python3 (python2 is no longer supported). In ZTP process, if a python script is being downloaded, please ensure the python script follows python3 syntax (there are certain changes between python2 and python3 syntax). Also, so far (ie until 20.4R1), the python script had #!/usr/bin/python as the first line (ie the path of the python interpreter). The same needs to be changed to #!/usr/bin/python3 from 21.1R1
PR Number Synopsis Category: EVPN control plane issues
1566429 Prefix added to the mhevpn.evpn.0 output route table triggers TC failure.
Product-Group=junos
On issuing command "show route table <*> extensive", one could see word "Color:" being prefixed with "Route Label:". This is a display issue.
PR Number Synopsis Category: EVPN Layer-2 Forwarding
1542037 The vmcore process generates core file at rts_ifbd_get_parent, rts_ifstate_chk_if_interesting_int, rts_ifstate_chk_if_interesting_int_with_stats.
Product-Group=junos
Sometime observed vmcore while performing GRES with EVPN config.
PR Number Synopsis Category: Multiprotocol Label Switching
1570382 [mpls] : Scapa : EVO:JDI_FT_REGRESSION::Lazurite/VBowmore:Seeing unexpected lsp packet count for the ingress mpls lsp statistics
Product-Group=junos
The issue is due to batching when one batch has multiple entries with same sid.
PR Number Synopsis Category: QFX L3 data-plane/forwarding
1569879 On the QFX5110-32Q, L2_mac_scaling_inter_pod traffic drop is observed with evpn-vxlan-type-5 base configurations.
Product-Group=junos
vport's refcnt will not be proper with stale entries seen sometimes due to out of order messages for AE interfaces when deletion/addition sequence is done multiple times.
PR Number Synopsis Category: QFX EVPN / VxLAN
1570689 Unexpected multicast traffic streams after enabling EVPN is observed.
Product-Group=junos
BUM traffic replication over VTEP is sending out more packets than expected and there seems to be a loop also in the topology.
Modification History:
First publication 2021-06-25
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