Alert Type

PSN - Product Support Notification
Low/NotificationSoftware Release Notification
Low/NotificationSoftware Release Notification

Product Affected

ACX QFX PTX running Junos Evolved Software

Alert Description

Junos Software Service Release version 20.4R3-S7-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 20.4R3-S7-EVO is now available.

20.4R3-S7-EVO - List of Fixed issues 

PR NumberSynopsisCategory: "agentd" software daemon
1665516Na-grpcd process core observed in telemetry services
Product-Group=evo		On all Junos and Junos OS Evolved platforms, due to race condition happening at the time of AFT streaming and simultaneous multiple attempts to subscribe and unsubscribe AFT sensors, followed by modifying firewall filter configurations, na-grpcd can core on rare occasions. This will cause a temporary outage of streaming telemetry services. The service will self-recover upon restart of the process.
PR NumberSynopsisCategory: EVO interface software
1716518Interface on PTX1001-36MR router remains down with QSFP-100GBASE-SR4 optics
Product-Group=evo		On Junos Evolved PTX10001-36MR platform, when the third party QSFP-100GBASE-SR4 is being used, rewriting the value of rx-out-amplitude (receiver side signal integrity parameter) with default value(0X3), causes the link to remain down.
PR NumberSynopsisCategory: DNX platform MPLS FRR features
1616368ACX and QFX host traffic dropped
Product-Group=evo		On Junos Evolved ACX and QFX5k platforms, MPLS and some other traffic generated by the RE is dropped. The fault is generally applicable to all MPLS host traffic and can be applicable to other traffic, depending on the specific traffic characteristics.
PR NumberSynopsisCategory: Issues related to evo operations - libevo infra, typeinfo ..
1661063PTX10008 - HWDRE Too many open files Error message seen. Sensor Failure Alarms are also seen
Product-Group=evo		On all Junos Evolved PTX10008 platforms, an error message displaying "Too many open files" may be observed. This issue may be observed only in the case of highly scaled telemetry/SNMP (Simple Network Management Protocol) on a loaded system. There is no service impact because of this issue.
PR NumberSynopsisCategory: System Management daemon and related issues
1660506Junos OS Evolved platforms running out of GUID space cause FPC reboot leading to service interruption for releases prior to 20.4R3-S5-EVO
Product-Group=evo		In a rare scenario for releases prior to Junos OS Evolved 20.4R3-S5, the system will run out of GUID (Globally Unique Identifier) space due to which applications sysman and mgmt-ethd might misbehave and further leading to the FPC (Flexible PIC Concentrators) reboot.
PR NumberSynopsisCategory: Configd, ffp issues
1652711PICD dependancy anomalies might be seen in evo
Product-Group=evo		Exact scenario is unknown however since IFDCSpeed is part of 2 bundles - there could be a race condition in configd/evo-infra. IFDCSpeed object is part of 2 bundles IFDCSpeedBundle and WanPortCfgBundle
PR NumberSynopsisCategory: jdhcpd daemon
1689005DHCP packets might not be sent to the clients when 'forward-only' is reconfigured under the routing instance
Product-Group=evo		On all Junos platforms, reconfiguring 'forward-only' in any routing instance is leading to deactivate of [default:default] jdhcpd filter. Dynamic Host Configuration Protocol (DHCP) packets might not be sent to the clients.
PR NumberSynopsisCategory: Layer2 forwarding on EX/NTF/PTX/QFX
1716270mac-move-limit : MMAS flag not getting reset after interface recovers due to l2-learning restart
Product-Group=evo		MMAS Flag will not be displayed for interface after it recovers due to l2-learning process restart
PR NumberSynopsisCategory: Category for QFX5K EVO Platform Software PRs related to Chas
1665229EVO white space in optics serial number in "show chassis hardware display xml or json"
Product-Group=evo		There is unnecessary white space in optics serial number in the output by "show chassis hardware display | [xml or json]".
PR NumberSynopsisCategory: Issue related to mcnh routing infrastructure within RPD
1658425The next-hop does not be updated and errors observed when aggregated interface goes down
Product-Group=evo		On all Junos OS Evolved platforms, dependency errors after interface flap are observed due to uncleared multicast composite next hop from RPD(routing protocol process daemon).
PR NumberSynopsisCategory: RPD Next-hop issues including indirect, CNH, and MCNH
1668481The BGP multipath might not install some of the available next hops
Product-Group=evo		On all Junos and Junos Evolved platforms configured with BGP multipath, if the number of BGP paths available for multipath is greater than the maximum-ecmp configured (default 16), multipath might not install some of the next hops. This might lead to an undesired ECMP load-balancing of traffic.
PR NumberSynopsisCategory: RPD policy options
1670998The rpd process crashes whenever it is getting shut down with router reboot, rpd restart, RE switchover, software upgrade
Product-Group=evo		The routing process daemon crashes whenever the rpd process is getting shutting down with router reboot, rpd restart, RE switchover, and software upgrade with Border Gateway Protocol configured on the device.
1706143Issue in committing more than 23, 4-byte AS on Junos and Junos Evolved platforms
Product-Group=evo		On all Junos and Junos Evolved platforms, when a 4 byte autonomous system (AS) number is committed with more than 23 as-path in as-path-prepend policy it gives "rpd string" error and the configuration commit fails.
PR NumberSynopsisCategory: PTX10K platform specific fabric PRs
1665515The process pfe might crash upon using some CLI commands frequently
Product-Group=evo		When the CLI commands such as "request support information" are executed multiple times, pfe process might run out of memory, which might lead to pfe crash.
 
 

20.4R3-S7-EVO - List of Known issues 

PR NumberSynopsisCategory: Border Gateway Protocol
1587879Wrong BGP next hop advertisement in Layer 3 VPN scenario
Product-Group=evo		On all platforms running Junos OS and Junos OS Evolved with BGP Layer 3 VPN enabled, when the local Provider Edge (PE) device establishes iBGP peer with remote PE via loopback address and eBGP peer with local customer edge (CE) device, if remote PE's loopback address happens to match the link subnet address of local PE-CE, the PE incorrectly advertises the VPN route with remote PE's loopback as the next hop. The next hop should be unchanged. This could cause traffic loss on local CE.

Resolved In: evo:21.1R2-EVO evo:21.2R1-EVO evo:21.3R1-EVO junos:18.4R2-S9 junos:19.4R3-S4 junos:20.1R3 junos:20.2R3-S3 junos:20.3R3 junos:20.3X75-D30 junos:20.4R3 junos:21.1R2 junos:21.2R1 junos:21.3R1
1651211Delay in BGP session establishment due to longer time for the listening task to be ready on all platforms running "rpd"
Product-Group=evo		On all platforms running rpd, the longer time for the listening task to be ready might have the longest time for the active task to be created, resulting in BGP session delay establishment.

Resolved In: evo:21.2R3-S1-EVO evo:21.3R3-EVO evo:21.4R3-EVO evo:22.1R2-EVO evo:22.2R1-EVO evo:22.3R1-EVO junos:20.4R3-S3 junos:21.2R3-S1 junos:21.3R3 junos:21.4R2-S1 junos:21.4R3 junos:22.1R2 junos:22.2R1 junos:22.3R1
1712527Show route advertising-protocol bgp reporting NextHop self rather than IP in the configured policy-statement for next-hop.
Product-Group=evo		Show route advertising-protocol bgp reporting NextHop self rather than IP in the configured policy-statement for next-hop. Behavior change observed after JUNOS upgrade from 18.4 to 20.4. #set policy-options policy-statement set-NH-MX term to-PP-All then next-hop 20.20.20.1 show route advertising-protocol bgp 10.10.10.10 test.inet.0: 5 destinations, 5 routes (5 active, 0 holddown, 0 hidden) Prefix Nexthop MED Lclpref AS path * 10.0.0.0/31 Self 65000 I The CLI output for Nexthop reported Self rather than IP address 20.20.20.1.

Resolved In: 
PR NumberSynopsisCategory: EVO Netstack Juniper Tunnel Driver Module
1657391Protocols flap due to kernel timing issue
Product-Group=evo		Due to kernel behavior related to handling messages between different daemons, protocols might flap (examples of protocols are: LACP/ISIS/BGP, etc .. ). This issue impact transmission of control packets from the impacted device, hence peers might time out, while the incoming direction is fine. Only PTX10003 and PTX10001 running JUNOS-EVO are suspectable to this issue. The issue might happen to PTX running EVO releases prior to 21.2, and the fix is added to EVO releases 21.2 and later.

Resolved In: evo:21.4R2-S1-EVO evo:21.4R3-EVO evo:22.3R3-EVO evo:22.4R2-EVO evo:23.2R1-EVO
PR NumberSynopsisCategory: SNMP, mib2d issues
1704878Neighbor device details not listed under snmp walk [ipNetToMediaPhysAddress]
Product-Group=evo		On Junos Evolved platforms, SNMP walk table (ipNetToMediaPhysAddress) is not updated when a neighbour entry is configured.

Resolved In: evo:23.1R2-EVO evo:23.2R1-EVO
PR NumberSynopsisCategory: PTX10K platform specific fabric PRs
1669435The process fabspoked-pfe crash might be observed while executing CLI commands for fabric statistics
Product-Group=evo		On all Junos OS Evolved platforms, the process fabspoked-pfe crash might be observed while executing CLI commands for fabric statistics. Executing CLI commands specific to the status related to FBC and SIBs will hit this issue.

Resolved In: evo:20.4R3-S4-EVO evo:21.4R3-S3-EVO evo:22.1R3-EVO evo:22.2R2-EVO evo:22.3R2-EVO evo:22.4R1-EVO junos:22.1R3 junos:22.2R2 junos:22.3R2 junos:22.4R1
PR NumberSynopsisCategory: Configuration mgmt, ffp, load-action, commit processing
1659783The configuration might roll back after performing "commit confirmed" and then reboot
Product-Group=evo		On all Junos OS and Junos OS Evolved platforms, the configuration might roll back after performing "commit confirmed" and then a reboot.

Resolved In: evo:21.1R3-S2-EVO evo:21.2R3-S2-EVO evo:21.4R1-S2-EVO evo:21.4R2-EVO evo:21.4R2-S1-EVO evo:21.4R3-EVO evo:22.1R1-S2-EVO evo:22.1R2-EVO evo:22.1R3-EVO evo:22.2R1-S1-EVO evo:22.3R1-EVO junos:20.4R3-S7 junos:21.1R3-S4 junos:21.2R3-S3 junos:21.2X32-D10 junos:21.2X32-D20 junos:21.4R1-S2 junos:21.4R2 junos:21.4R2-S1 junos:21.4R3 junos:22.1R1-S2 junos:22.1R2 junos:22.1R3 junos:22.2R1-S1 junos:22.2R2 junos:22.3R1
PR NumberSynopsisCategory: UI Infrastructure - mgd, DAX API, DDL/ODL
1671038Config failure can seen after upgrade when modifying group for lsp auto-bandwidth
Product-Group=evo		On all Junos and Junos EVO platforms, Config error is seen while modifying group for LSP auto-bandwidth.

Resolved In: evo:21.4R3-EVO evo:22.1R3-EVO evo:22.2R1-S1-EVO evo:22.2R2-EVO evo:22.3R1-EVO evo:22.3R2-EVO evo:22.4R1-EVO junos:21.4R2-S2 junos:21.4R3 junos:22.1R1-S2 junos:22.1R2-S1 junos:22.1R3 junos:22.2R1-S1 junos:22.2R2 junos:22.3R1 junos:22.3R2 junos:22.4R1
1708321MX960 :: CST:RE goes to amnesiac state, when rebooting the DUT -mgd: error: translation script failure
Product-Group=evo		When a toggle attribute with variable is committed under dynamic-profiles hierarchy, upon reboot system will go to amnesiac mode

Resolved In: evo:21.4R3-S3-EVO evo:22.2R2-J4-EVO evo:22.2R2-J6-EVO evo:22.2R2-S2-J1-EVO evo:22.2R2-S2-J2-EVO evo:22.2R3-EVO evo:22.3R2-EVO evo:22.3R3-EVO evo:22.4R1-S2-EVO evo:22.4R2-EVO evo:23.1R1-EVO evo:23.1R2-EVO evo:23.2R1-EVO junos:20.4R3-S7 junos:21.4R3-S3 junos:22.1R3-S2 junos:22.2R2-S2 junos:22.2R3 junos:22.3R2 junos:22.3R3 junos:22.4R1-S2 junos:22.4R2 junos:23.1R1 junos:23.1R2 junos:23.2R1

 

Modification History

First publication 2023-04-26