Alert Type
PSN - Product Support Notification
Risk
Risk Description
Low/Notification
Software Release Notification
Impact
Impact Description
Low/Notification
Software Release Notification
Product Affected
ACX, PTX, QFX running Junos Evolved Software
Alert Description
Junos Software Service Release version 22.2R1-S1-EVO is now available for download from the Junos software download site
Download Junos Software Service Release:
Go to
Junos Platforms - Download Software page
Input your product in the "Find a Product" search box
From the Type/OS drop-down menu, select
Junos SR
From the Version drop-down menu, select your version
Click the Software tab
Select the Install Package as need and follow the prompts
Solution
Junos Software service Release version 22.2R1-S1-EVO is now available.
22.2R1-S1-EVO - List of Fixed issues
PR Number
Synopsis
Category: Alfa Romeo Interface Software Category
1670685
On MX platforms, back to back modification of the Interface profile results in ports not coming up
Product-Group=evo
On MX platforms with line cards MPC11E, MX10K-LC9600 configured, the physical interface-related object remains unpublished and thus channel remains stuck in a chan_deleting state.
PR Number
Synopsis
Category: PFE COS features on BT based platforms
1668861
The CoS core might be observed while SNMP mib walk
Product-Group=evo
The CoS (Class of Service) core might be observed while SNMP (Simple Network Management Protocol) mib walk due to SNMP index handle missing in the iterator on the PTX EVO.
PR Number
Synopsis
Category: Express BT PFE L3 Features
1671196
Default DDOS rate limit for LLDP packets is 20K PPS
Product-Group=evo
Default DDOS rate limit for LLDP packets is 20K PPS on PTX10003-60C , and on PTX10004/PTX10008/PTX10016 system with JNP10K-36QDD and JNP10K-4Q56DD-32Q28 line cards
PR Number
Synopsis
Category: CoS support on DNX
1676103
[PDT-SP-METRO]: EVO - ACX : Fixed classification on Ae interface doesn't work on system reboot or pfe restart
Product-Group=evo
Fixed classification on Ae interface doesn't work on system reboot or pfe restart.
PR Number
Synopsis
Category: VxLAN specific
1665828
MAC-IP bindings for IPv4 (ARP) and IPv6 (ND) may not be processed for IRB interfaces in an EVPN scenario
Product-Group=evo
On all Junos and Junos Evolved platforms, when EVPN (Ethernet Virtual Private Network) related configuration is introduced from baseline, due to a rare timing issue between the IRB (Integrated Routing and Bridging) interfaces coming up and an attempt is made by the 'l2ald' (l2 address learning) daemon to process the corresponding MAC-IP entries, this issue may occur. This may also occur when IRB logical units are activated and deactivated.
PR Number
Synopsis
Category: FIB telemetry, fibtd, libocaft repositories
1662999
network-instance name for streaming telemetry to be changed from default to DEFAULT to align with CONFIG stanza
Product-Group=evo
for ONDATRA test case which tested this with different network-instance names - DEFAULT. test is failing. for TEST to pass ,use network-instance names - default.
1667145
[CCL Google BX] After negative test, FIBT database out of sync with FIB database impacting FIB-streaming .
Product-Group=evo
When fib streaming application is about to stream a route 'X' and that particular route 'X' gets deleted, application may run into a tight loop due to a bug in streaming code flow.
PR Number
Synopsis
Category: Firewall related development
1683361
The aftmand process crash might be observed
Product-Group=evo
On all Junos OS Evolved platforms configured with Border Gateway Router (BGP) hierarchy in prefix-list apply-path, then changing the BGP configuration associated with apply-path will cause the firewall filter to be updated and re-program within the Packet Forwarding Engine (PFE). When filter change is processed, aftmand process crash would be observed leading to system crash.
PR Number
Synopsis
Category: EVO RPD agent PRs
1669498
Traffic loss might be seen when multicast route changes
Product-Group=evo
On Junos Evolved platforms, when a list of downstream interfaces changes for a multicast route, the rpd might perform route delete and add instead of the route change. Multicast transit traffic will be dropped during this interval.
PR Number
Synopsis
Category: PR related to socket replication in EVO
1671458
EVO NSR: Do not send unreplicate message to backup during switchover
Product-Group=evo
During swo, if unreplicate message reaches backup first before backup recovery on the connection is complete then it can lead to leaking the connection on the backup as well as recover does not happen on it. On subsequent switchover such connection may flap. The fix is highly recommended to be present in the image.
PR Number
Synopsis
Category: Express PFE FW Features
1672512
JDI-RCT:EVO:PTX10004:PTX10008:PTX10016 - evo-aftmand-bt.fpc core seen
Product-Group=evo
Interface-specific Firewall Filter with fast-lookup-filter CLI knob with counters configured in the Firewall config. When this filter is binded to multiple AE interfaces and then deactivated/activated(deact/act interface <> <> filter output) multiple times, evo-aftmand-bt FPC core is seen occasionally.
PR Number
Synopsis
Category: All Guardian (ACX7509) platform, FEB, RCB and linecaard resi
1673274
Guardian HA: Backup FEB1 links down after master FEB0 restart
Product-Group=evo
Links to backup FEB may go down on master FEB restart. This can become a problem on a subsequent switchover. Workaround is to do an restart of the backup FEB after master FEB has come back online (following the restart).
PR Number
Synopsis
Category: All Guardian (ACX7509) Linecard (FPC) related issues
1639666
in ACX7509, on multiple FPC restart, link is not coming up with huge FEC errors
Product-Group=evo
in ACX7509, on multiple FPC restart, link is not coming up with huge FEC errors
1669162
Switchover caused by master RCB power-fault may cause links to go down
Product-Group=evo
Switchover caused by master RCB power-fault may cause links to go down.
PR Number
Synopsis
Category: All Guardian (ACX7509) Platform related issues
1650302
acx7509 :: picd/evo-pfemand core is observed occasionally when we perform restart FPCs with multi-D system scale.
Product-Group=evo
If fpc is restarted with multi-D scale config, then PICD/evo-pfemand app core will be observed occasionally. However the app will be restarted and system will be restored automatically.
1669130
hwdre and evo-pfemand applications may crash if idmd, fabtoken and hwdre are restarted immediately after a FEB offline.
Product-Group=evo
hwdre and evo-pfemand applications may crash if idmd, fabtoken and hwdre are restarted immediately after a FEB offline.
PR Number
Synopsis
Category: All Guardian (ACX7509) platform, FEB, RCB and linecaard resi
1669211
Rare traffic stall in scaled scenarios on FEB offline/online.
Product-Group=evo
In rare case and with scaled scenarios, it is possible for PFE data path to not get properly programmed after a FEB offline/online. This can result in traffic not passing through. Workaround is to deactivate the scaled config, offline and online the FEB, and then activate the config again.
PR Number
Synopsis
Category: All Guardian (ACX7509) timing related issues
1657981
On ACX7509, clockd core and interfaces going down may be observed after repeated switchover operations
Product-Group=evo
On ACX7509, clockd core and interfaces going down may be observed after repeated switchover operations
PR Number
Synopsis
Category: Issues related to Junos licensing infrastructure
1624592
PTX10008 EVO : l3vpn license warning message generated with commit check
Product-Group=evo
L3VPN license warning message is generated with commit check, even though l3vpn license is installed. Commit completes without errors.
PR Number
Synopsis
Category: Protocol Independant Multicast
1651824
Traffic loss might be seen when the new Multicast Composite Next-Hop is computed
Product-Group=evo
On all Junos Evolved platforms, if a receiver joins or prunes, old Multicast composite Next-Hop (MCNH) might be deleted before all routes can shift to new MCNH. Traffic between FPC's might be dropped because few FPCs might have shifted to the new MCNH and few FPCs are waiting for the route change to the new MCNH.
PR Number
Synopsis
Category: Non sparks issues in jflow/monitoring services
1668521
MX platforms with specific line cards are affected due to increase in HEAP memory
Product-Group=evo
MX platforms with specific line cards get affected when RE based sampling is enabled which causes increase in FPC's HEAP memory usage.
PR Number
Synopsis
Category: Scapa specific platform PRs
1668285
PTX10000s running Junos Evolved software - SNMP GET is not returning the expected value for FPC MIBs
Product-Group=evo
On a platform running Junos Evolved Software, SNMP GET for FPC MIBs may intermittently return "0" instead of the real value.
PR Number
Synopsis
Category: Issues related to Junos Automation, Commit/Op/Event and SLAX
1656436
A large configuration might not get committed at boot
Product-Group=evo
On all Junos and Junos Evolved, the mgd process might fail to commit a scaled configuration (~350K set statement) during boot due to insufficient memory.
PR Number
Synopsis
Category: Issues related to confg mgmt, ffp, load-action, commit procs
1659783
The 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.
PR Number
Synopsis
Category: Issues related to DAX APIs
1669637
Periodic rebalancing of subscribers over AE interface might not work
Product-Group=evo
On all Junos and Junos Evolved platforms with scaled PPPoE (Point-to-Point Protocol over Ethernet) subscribers over static vlan-demux-interfaces over AE (Aggregated Ethernet) interface, if the child member links are flapped, periodic rebalancing of subscribers over AE interface might not happen and might lead to congestion on a particular link.
PR Number
Synopsis
Category: Issues related to mgd, DAX API, DDL/ODL infrastructure, Juno
1656565
Commit and commit check fails when the knob "interface-range" is configured
Product-Group=evo
On all Junos and Junos Evolved platforms, when the knob "interface-range" is configured commit and commit check fails.
1671038
Config error after upgrade when modifying group for lsp auto-bandwidth /config/juniper.conf:164:(39) syntax error: adjust-interval
Product-Group=evo
Config error after upgrade when modifying group for lsp auto-bandwidth /config/juniper.conf:164:(39) syntax error: adjust-interval.
PR Number
Synopsis
Category: Express ZX PFE L3 Features
1634982
MTS-MCAST: [Brackla] Auto RP base verification failed with multiple RPs with same group range
Product-Group=evo
We have found the workaround which is to deactivate/activate auto-rp config on brackla. This is PR is opened since 20.4 and there is no LKWR .We will be fixing it in DCB.
22.2R1-S1-EVO - List of Known issues
PR Number
Synopsis
Category: PRs for Avengers Interface and line card
1649925
Non standard optics causing pcid core issue
Product-Group=evo
Inserting third party optics not confirming to standards compliant EEPROM format can trigger the issue leading to picd cores. Removal of the cable followed by chassis restart will recover from problem state
PR Number
Synopsis
Category: sflow issues on ACX platforms
1647870
[sflow] [sflow_EVO] ACX7100-32c :: [sflow/ACX] ingress sflow for flows exiting through AE interface does not reflect the correct egress port, in the sflow frame to collector.
Product-Group=evo
When the original flow is egressing out through an AE interface, the corresponding sampled sflow frame does not reflect the correct egress port number. This happens only when the flow is egressing out through an AE interface. For non-AE egress interface, this works fine and the sflow frame reflects the correct egress port.
PR Number
Synopsis
Category: Distributor related issues
1658426
Routes in RIB and FIB table may go out of sync on all Junos Evolved platforms and causes a traffic impact
Product-Group=evo
On all Junos evolved platforms, routes in RIB (Routing Information Base) and FIB (Forwarding Information Base) are not in sync when it is running over long period of the time (200+ days) with a constant route churn. It causes a traffic impact due to stale entries.
PR Number
Synopsis
Category: Zookeeper related issues
1678880
Disk usage monitoring and log clean up doesn't cover zookeeper log.
Product-Group=evo
Log clean-up process doesn't cover the Zookeeper log on PTX running Junos OS Evolved and it could potentially cause impact to the system when the log file size is occupying too much disk size. Manually cleaning up the log is required.
PR Number
Synopsis
Category: cmdd, crd issues
1655441
agentd core - seen upon FPC ungraceful restart with cda-bt process killed
Product-Group=evo
when evo-cda-bt is killed, fpc is restarted. We might see agentd crash due to ungraceful FPC restarts. This issue is not seen in a normal working scenario and is seen only upon ungraceful fpc restarts.
PR Number
Synopsis
Category: mgd, ddl, odl infra issues
1665008
ptx10001-36mr:22.3R1-EVO:saving a config "save re0:/var/tmp/pfe_restart.cfg" asking for password again even though logged in as super user
Product-Group=evo
The system may ask for your password when you are thing to save configuration file.
PR Number
Synopsis
Category: EVPN control plane issues
1633344
EVPN next hops are not correctly synchronised between RE and PFE
Product-Group=evo
On all EVO platforms that support EVPN-MPLS (Ethernet Virtual Private Networks -Multiprotocol Label Switching) services, during switchover or l2-learning restart, some EVPN next hops are not correctly associated with routing-instance in RE (Routing Engine) impacting the traffic forwarding.
1646722
IFLs aren't created post Graceful RE switchover on guardian platform with EVPN services
Product-Group=evo
On performing Graceful RE swithchover on guardian platform with EVPN services, some IFLs are missing. IFLs come up post reboot.
PR Number
Synopsis
Category: All Guardian (ACX7509) Linecard (FPC) related issues
1668509
On ACX7509,interface flaps are observed on performing mastership switchover
Product-Group=evo
On ACX7509 platforms, interface flaps are seen on performing mastership switchover using the master RE (Routing Engine) offline button press. Traffic drop will be seen due to interface flap.
1668780
Guardian: The traffic drop is sometimes observed on ungraceful jack out/in of master RE.
Product-Group=evo
The traffic drop greater than 50 ms is sometimes observed on an ungraceful jack out/in of master RE, however, switchover happens and traffic resumes.
PR Number
Synopsis
Category: Track PRs in MPLS Openconfig inside RPD.
1667844
The RSVP interfaces are not streamed when removing the interface configuration
Product-Group=evo
On All Junos and Junos OS Evolved platforms, when walking through the bandwidth-reservation leaf in RSVP-TE interface attributes sensor path, there was no check to handle the null case and close that particular streaming and move on to the next interface/sensor path when that particular interface is deleted for which the values are being streamed out. Due to this, stale entries for the Resource Reservation Protocol (RSVP) interface paths are streamed out, if the interface is deleted. This leads to OC (Open Config) Telemetry related issues.
PR Number
Synopsis
Category: Periodic Packet Management Daemon
1660299
JDI-RCT : PPMD crashed at ppm_destroy_distrib_proto_stats_group_entry ( )
Product-Group=evo
When l2cpd (in the context of xSTP) clears the entries that it has programmed on ppmd, ie when you delete xSTP configs from the box, there can be a possibility of ppmd core. If ppmd is in distributed mode then there will be no service impact, else there can be service impact as packet transmission for various protocols will happen via if ppmd is in centralized mode.
PR Number
Synopsis
Category: Resource Reservation Protocol
1670638
Premature RSVP Path Error BW-Unavailable originated by PLR
Product-Group=evo
With the "rsvp local reversion" configuration a PLR originates the "Bw_unavailable PathErr" during FRR (Fast Reroute). Junos Label Edge Router (LER or ingress router) ignores this type of PathErr message. However, this can be a problem if an ingress LER implementation reacts to this PathErr by bringing down the protected LSP causing packet loss.
PR Number
Synopsis
Category: Issues related to NETCONF
1585855
< ok/> response is getting generated along with < rpc-error>
Product-Group=evo
When maximum-password-length is configured and user tries to configure password whose length exceeds configured maximum-password-length, error is thrown, along with error '' tag is also emitted. (Ideally '' tag should not be emitted in an error scenario.) The configuration does not get committed.
PR Number
Synopsis
Category: Issues related to YANG Data Models
1574634
The command 'show system yang package | display xml' shows unexpected strings in output
Product-Group=evo
The command 'show system yang package | display xml' shows unexpected strings in output.
Modification History
First publication 2022-09-30
22.2R1-S1-EVO: Software Release Notification for JUNOS Evolved Software