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20.4R1-S2-EVO: Software Release Notification for JUNOS Software Version 20.4R1-S2-EVO

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Article ID: TSB18094 TECHNICAL_BULLETINS Last Updated: 25 Jun 2021Version: 1.0
Alert Type:
SRN - Software Release Notification
Product Affected:
PTX and QFX series running Junos Evolved
Alert Description:
Junos Software Service Release version 20.4R1-S2-EVO 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 20.4R1-S2-EVO is now available.

20.4R1-S2-EVO - List of Fixed issues

PR Number Synopsis Category: EVO Class of Services
1544531 The cosd may not come up after FPC restart
Product-Group=evo
On Evo platforms, cosd process may not come up after FPC restart. Due to this, the classifier/rewrite/scheduler functionalities may stop working. This issue may be seen during validation check for CNP (Congestion Network Profile) and Drop profile configuration. This issue has a functional impact.
PR Number Synopsis Category: Configd, ffp issues
1534858 The firewall filter for both IPv4 and IPv6 might not work when it is applied through apply-groups.
Product-Group=evo
On Junos OS Evolved PTX devices, the firewall filter for both IPv4 and IPv6 does not work when it is applied through apply-groups on the subinterface
PR Number Synopsis Category: Express PFE L2 fwding Features on ZX platforms
1568566 Routes learned via IRB interface might not be reachable in IBGP setup
Product-Group=evo
On Junos EVO based PTX10003/QFX10003 platforms with IBGP setup, the route is not reachable if it is learned via indirect Next Hop, which further points to unicast Next hop and getting resolved through IRB interface. There will be complete traffic for the affected route.
 

20.4R1-S2-EVO - List of Known issues

PR Number Synopsis Category: Issues related to Junos licensing infrastructure
1567066 Observed license-check core on RE-1 during runtime removal of CB[0] SAM FPGA from PCie device
Product-Group=evo
Observing license-check core dump on RE-1 during runtime removal of CB[0] SAM FPGA from PCie device. License-check daemon recovers and resumes functionality. There is no service impact.
 
Modification History:
First publication 2021-06-25
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