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21.3R1-S2: Software Release Notification for JUNOS Software Version 21.3R1-S2

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Article ID: TSB18253 TECHNICAL_BULLETINS Last Updated: 27 Dec 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 21.3R1-S2 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
Risk Risk Description
Low/Notification - No defined time impact to take action Software Release Notification
Impact Impact Description
Low/Notification - Monitor the situation but no action needed Software Release Notification

Solution:

Junos Software service Release version 21.3R1-S2 is now available.

21.3R1-S2 - List of Fixed issues

PR Number Synopsis Category: BBE Remote Access Server
1604967 Install discard routes is not supported on APM managed BNGs running Junos OS Release 21.3R1
Product-Group=junos
Install discard routes is not supported on APM managed BNGs running Junos OS Release 21.3R1
PR Number Synopsis Category: QFX5200/5110/5120/5210 Platfom issues
1630380 QFX5k : Chassis Status LED doesn't work as document described
Product-Group=junosvae
On QFX5k series switch which is woking on 5e image, chassis status LED does not work properly. You may see unexpected state of SYS or MST LED on master or backup FPC.
PR Number Synopsis Category: SRX branch platforms
1620888 Traffic may get dropped due to memory issue on some SRX devices
Product-Group=junos
On SRX300/320/340/345/380/550M platforms, the memory partition limits may be wrongly set at the boot-up time. This may cause the traffic to drop.
PR Number Synopsis Category: UI Infrastructure - mgd, DAX API, DDL/ODL
1590625 MGD core while running any RPC post running copy-config rpc with unreachable host in the URL on the same netconf session
Product-Group=junos
mgd process might core provided below conditions are met when some of the rpcs like edit-config/copy-config are run on a netconf session: - before the current rpc, user has executed a copy-config rpc with remote URL and it had failed with rpc error. - all these rpcs are run on a single netconf session.
 

21.3R1-S2 - List of Known issues

PR Number Synopsis Category: BBE Remote Access Server
1626632 BNG does not correctly issue abatement alarm to APM when condition is met.
Product-Group=junos
When an abatement condition is met (either in apportion alarm state and sufficient logouts occur to cross abatement threshold, or in reclamation alarm state and sufficient logins occur to cross abatement threshold), the BNG does not correctly issue the abatement alarm to the APM.
1627974 When connectivity between BNG and APM is lost, the BNG does not regenerate pool drained alarms to APM.
Product-Group=junos
If the gRPC connection between the BNG and APM is lost for any reason, when it is reestablished, the BNG does not resend any pool drained alarms that it had previously sent. This can leave the APM in an errant state if such pools had not been acted upon by the APM operator (specifically, pool reclaim).
PR Number Synopsis Category: CFM
1536417 FPC might core if CFM flap trap monitor feature in use
Product-Group=junos
FPC might core if flap-trap-monitor feature under "set protocols oam ethernet cfm performance-monitoring sla-iterator-profiles" is used and performance monitoring flap occurs.
PR Number Synopsis Category: Firewall Filter
1623170 BGP Flowspec may not shows counters for matching IPv6 firewall filter
Product-Group=junos
Under investigation - When installing an IPv6 firewall filter using BGP flowspec, matching traffic counters may show "0" values.
PR Number Synopsis Category: usf ipsec related issues
1625888 Packet loops in the pic even after stopping the traffic on MX platform with SPC3 line card
Product-Group=junos
Packet loop might happen when IPsec SA be deleted (command clear/rekey, etc), which will causing high CPU. Clear SA again to recover
 
Modification History:
First publication 2021-12-27
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