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20.1R2-S3-EVO: Software Release Notification for JUNOS OS Evolved Software Version 20.1R2-S3-EVO

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Article ID: TSB17940 TECHNICAL_BULLETINS Last Updated: 21 Dec 2020Version: 2.0
Alert Type:
SRN - Software Release Notification
Product Affected:
PTX-Series QFX-Series Running Junos OS Evolved
Alert Description:
Junos Software Service Release version 20.1R2-S3-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 20.1R2-S3-EVO is now available.

20.1R2-S3-EVO - List of Fixed issues
PR Number Synopsis Category: "agentd" software daemon
1504872 For show network-agent statistics, Junos OS Evolved is reporting in milliseconds but Junos OS is reporting in seconds.
Product-Group=evo
The units reported by "show network-agent statistics" was milliseconds but should have been reported in seconds.
PR Number Synopsis Category: PTX10003 Platform related issues
1551374 Logs not being written in /var/log/messages on certain PTX platforms running Junos Evolved
Product-Group=evo
Logs not being written in /var/log/messages on certain PTX platforms running Junos Evolved
PR Number Synopsis Category: software upgrade infra issues
1556641 Software Upgrade: After Software sync with all versions done on re0( PR 1554715), did rollback reboot, rollback happened only on RE0 .
Product-Group=evo
software rollback does not work correctly. A new trick is needed to be taught.
1557020 EVO: re1 didnt boot nextboot image after software add
Product-Group=evo
The "request system storage cleanup deep-force" cli command delete images installed on a router. Hence, the router boots up with an older software version.
PR Number Synopsis Category: EVO Netstack Juniper Tunnel Driver Module
1544978 The IPv6 BGP session might flap continuously due to transport error
Product-Group=evo
The IPv6 BGP session might flap continuously when IPv6 RA (router-advertisement) packets are received with a link-mtu option. The IPv4 BGP session on the same link is stable.
PR Number Synopsis Category: Configd, ffp issues
1555963 [ztp] [ZTP_EVO] Scapa :Software rollback fails from 20.4-202011050244.0-EVO to 20.3R1.14-EVO with Failed to create bus connection
Product-Group=evo
Software rollback intermittently fails from 20.4-R1-EVO to 20.3R1.14-EVO with Failed to create bus connection
PR Number Synopsis Category: Express PFE CoS Features
1528368 [Scapa] : Output filters using FLT with BT causes data/host path corruption when high traffic is flowing.
Product-Group=evo
[Scapa] : Output filters using FLT with BT causes data/host path corruption when high traffic is flowing.
PR Number Synopsis Category: Port-based link layer security services and protocols that a
1503010 MACsec delay protection fails to drop/discard delayed MACsec packets (CVE-2020-1674).
Product-Group=evo
Juniper Networks Junos OS and Junos OS Evolved fail to drop/discard delayed MACsec packets (e.g. delayed by more than 2 seconds); Refer to https://kb.juniper.net/JSA11071 for more information.
 

20.1R2-S3-EVO - List of Known issues
PR Number Synopsis Category: Lacp related problems and issues.
1553196 [lacp] [lacptag] PTX10004 :: PDT - BOWMORE - lacpd core is obserevd after router reboot
Product-Group=evo
lacpd sometimes gets cored while router is shutting down in the following scenarios: a. router reboot b. router upgrade Although as the router is shutting down so this won't be impacting traffic as such.
PR Number Synopsis Category: EVO Netstack Socket Intercept and NetIO libraries
1553897 Launching the CLI produces a syslog notice
Product-Group=evo
When the CLI is launched, the system generates a syslog message at the notice level stating "cli[]: 32-bit application cli is not compatible with SI". This message does not indicate a functional problem and can be ignored.
PR Number Synopsis Category: AAA, auditd issues
1501146 Random IPv6 address is displayed in NAS-IPv6-Address when IPv4 address is used as NAS-IP for an IPv6 server.
Product-Group=evo
In a Radius deployment, a random IPv6 address is displayed in NAS-IPv6-Address when IPv4 address is used as NAS-IP for an IPv6 server.
PR Number Synopsis Category: eventd, syslog infra issues
1511303 JDI-EVO/VBrackla-Regressions: < data> tag not found in xml output generated by rli16039combination_filter_sd.xml.
Product-Group=evo
Eventd reads the hostname from /etc/hostname file and updates the same in all syslog files. During bootup time /etc/hostname were not updated by mgd and eventd reads the default hostname. The issue got fixed in PR 1511303 by mgd folks in recent builds. This doesn't impact the functionality and this is a high risk to backport the change(AT#82, AT#87, and AT#90 ) As a workaround, Kindly restart the relay event to avoid this issue.
PR Number Synopsis Category: Path computation client daemon
1481462 [northstar_pccd] [tag_rro_mismatch] EVO: After interface flap,RRO mismatch between pcep and mpls(p2mp)
Product-Group=evo
After an interface flap, there is a minor data mismatch in RRO between PCE and PCC.
PR Number Synopsis Category: KRT Queue issues within RPD
1493963 The rpd process generates a core dumps
Product-Group=evo
On EVO platforms running BGP with knob 'route-record' or sampling, the rpd might crash.
 

Modification History:
First publication date 2020-12-20
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