PTX and QFX series running Junos Evolved

Junos Software Service Release version 19.4R2-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

Junos Software service Release version 19.4R2-S3-EVO is now available.

19.4R2-S3-EVO - List of Fixed issues

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: 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: EVO category to hold IPv6 Neighbor Discovery Protocol and re
1494128	Junos OS Evolved: Receipt of a specifically malformed NDP packet could lead to Denial of Service (CVE-2020-1681) Product-Group=evo	Receipt of a specifically malformed NDP packet sent from the local area network (LAN) to a device running Juniper Networks Junos OS Evolved can cause the ndp process to crash, resulting in a Denial of Service (DoS). Refer to https://kb.juniper.net/JSA11078 for more information.
PR Number	Synopsis	Category: mgd, ddl, odl infra issues
1522339	Compressed /var/log/ creation through file archive compress might fail on certain PTX platforms running Junos Evolved. Product-Group=evo	Compressed /var/log/ creation via "file archive compress" might fail on certain PTX platforms running Junos Evolved.
PR Number	Synopsis	Category: SNMP, mib2d issues
1534286	SNMP MIB ifInErrors [OID 1.3.6.1.2.1.2.2.1.14] reports wrong values in routers running affected JUNOS-EVOLVED release. Product-Group=evo	SNMP MIB ifInErrors [OID 1.3.6.1.2.1.2.2.1.14] reports wrong values in routers running affected JUNOS-EVOLVED release.
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 if BGP paths exceed around 5600K.
1505769	Traffic flow might be blocked if MTU configured under IFD is greater than MTU configured under IFF Product-Group=evo	On EVO platforms, if MTU configured under physical interface (IFD) is greater than MTU configured under same interface with family inet or family inet6 (IFF), aftmand might have catastrophic event. In the end, no traffic could be forwarded by aftmand. Please make sure IFD MTU need to be configured with smaller value than IFF MTU.

 

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19.4R2-S3-EVO - List of Known issues

PR Number	Synopsis	Category: EVO Netstack icmpd
1362365	IPV6 Ping is not support "do-not-fragment" in current release. Product-Group=evo	IPv6 ping does not support do-not-fragment in the Junos OS Evolved 20.1R1 Release.
PR Number	Synopsis	Category: Issues related to EVO interface statistics.
1522703	EVO Ifstatsd core observed on longetivity testbed with multiple triggers at net::juniper::evlruntime::evoobject_publish_validate Product-Group=evo	With an EVO system subjected to continuous instabilities, the ifstatsd process may restart.
PR Number	Synopsis	Category: EVO RPD agent PRs
1527399	Tracking PR for rpd-agent memory. Product-Group=evo	rpd-agent daemon has a minor memory leak when it receives certain states.
PR Number	Synopsis	Category: RPD Next-hop issues including indirect, CNH, and MCNH
1484589	Implementation of Resolver loop detection for List NH component members Product-Group=evo	BGP started creating route pointing to List NH having INDIRECT members inside after comcast N+1 RLI. But resolver treats LIST NH as a leaf node and does not do loop detection inside List NH members (Day 1 behavior). This causes wedges in Packet Forwarding Engine as loop detection does not happen.
PR Number	Synopsis	Category: PRs related to PICd and associated lib WAN side PI code.
1475753	The picd top-level periodic is hogging CPU which might cause link detection delay Product-Group=evo	On ULC platforms, the link detection can be delayed if picd periodic hogs CPU. This can occasionally delay time-critical activities like FRR and cause traffic black hole for tens of milliseconds.

First publication date 2020-11-25