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NOTE: Due to a software defect causing the Class Of Service process (COSD) to restart repeatedly, the current 20.3R1-S2-EVO software has been RECALLED.
Junos Software service Release version 20.3R1-S2-EVO is now RECALLED and replaced with a new release of the 20.3R1-S2-EVO
The RECALLED software can be identified by the string "20.3R1-S2.11-EVO" in the image name.
For example, junos-evo-install-ptx-x86-64-20.3R1-S2.11-EVO.iso is the RECALLED ISO install package of the 20.3R1-S2-EVO image.
If you have downloaded the RECALLED images, please do not use them.
The new "spin" release of 20.3R1-S2-EVO is available with the fix for the COSD issue with the released identifiable with "20.3R1-S2.12-EVO".
This SRN is updated with the new spin number - "20.3R1-S2.12-EVO" of the Junos Evolved software package. The COSD issue is being tracked via PR1548014.
20.3R1-S2-EVO: Software Release Notification for JUNOS Software Version 20.3R1-S2-EVO
Alert Description
Junos Software Service Release version 20.3R1-S2-EVO is now available for download from the Junos software download site
Download Junos Software Service Release:
Junos Software service Release version 20.3R1-S2-EVO is now available.
20.3R1-S2-EVO - List of Fixed issuesPR Number | Synopsis | Category: BGP Segment Routing |
---|---|---|
1550736 | The rpd crash might be seen when BGP service route is resolved over color-only SRTE policy Product-Group=evo |
In BGP segment routing traffic engineering (SRTE) scenario, when BGP service route is resolved over color-only SRTE policy and extended-nexthop-color and no-install within bgp is enabled, the rpd crash might be observed. |
PR Number | Synopsis | Category: Express BT PFE L3 Features |
1530710 | "show pfe statistics error" should print counters for meaningful errors Product-Group=evo |
"show pfe statistics error", on Junos Evolved platform, shows only "Error Count: <>" for all errors for all PFEs. |
PR Number | Synopsis | Category: EVO Class of Services |
1524259 | While configuring WRED profile to a scheduler, Please use either of a) any/any b) not-any/not-any combination of protocol and Loss priority. Product-Group=evo |
While configuring WRED profile to a scheduler, Please use either of a) any/any b) not-any/not-any combination of protocol and Loss priority. |
1544531 | EVO COS: The COSd is not coming up online hence classifier/rewrite/scheduler functionalities are not working, after the Ingress FPC4 is restarted with 125% over-subs traffic Product-Group=evo |
Junos Evolved COSd process is not coming up online hence classifier/rewrite/scheduler functionalities are not working, after the Ingress FPC4 is restarted with 125% over-subs traffic |
1548014 | After commit a configuration, an EVO object may depends on other objects that have not exist yet Product-Group=evo |
When configuring Class of Service on a Junos Evolved system, the COSD process may restart unexpectedly. |
PR Number | Synopsis | Category: Firewall related development |
1552641 | Firewall: Use of filter configured without address-family as nested filter causes config commit to fail Product-Group=evo |
Firewall: Use of filter configured without address-family as nested filter causes config commit to fail |
PR Number | Synopsis | Category: Issues related to EVO interface statistics. |
1505596 | Junos EVO - Aggregate Ethernet interfaces do not display member links' statistic Product-Group=evo |
On a Junos Evolved platform, the output of Aggregate Ethernet (AE) interface statistic does not include its member links' statistics. |
PR Number | Synopsis | Category: management ethernet related issues - mgmt-ethd daemon |
1553791 | When Filter applied on RE management and deactivated, Filter behavior is unchanged after deactivation Product-Group=evo |
When Filter applied on RE management and deactivated, Filter behavior is unchanged after deactivation |
PR Number | Synopsis | Category: software upgrade infra issues |
1556641 | The software rollback might not work correctly on EVO platforms Product-Group=evo |
On all EVO platforms, the software rollback might not work correctly when "request system software sync all" is run. |
1557020 | EVO: re1 does not come up with nextboot image after software upgrade cleanup force deep and software upgrade add operation Product-Group=evo |
"request system storage cleanup deep-force" cli command delete images installed on a router including next incoming image-related information. Hence, the router does not boot up with the next incoming image. |
PR Number | Synopsis | Category: System Management daemon and related issues |
1552045 | request system reboot is taking longer in new release Product-Group=evo |
When you issue the "request system reboot" command, the backup routing engine (backup RE) takes about 1 minute longer to clean up the system's state before it reboots. |
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: 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: Express PFE CoS Features |
1473844 | Rate-limiting might not work for JFlow sampled traffic on PTX10008 Product-Group=evo |
The JFlow sampled traffic might not get rate limited in host-pipe and cause drop in throughput of interfaces on PTX10008 routers. This issue is seen due to the missing code for rate-limiters specifically on PTX10008. |
1528368 | PTX10008: Output filters using FLT with BT causes data/host path corruption when high traffic is flowing. Product-Group=evo |
PTX10008 running Junos Evolved - The output filters using FLT with BT causes data/host path corruption when high traffic is flowing. |
1543034 | PTX10008 EVO COS: The "show interfaces voq ae2 non-zero" doesn't display the non-zero queue stats, where as the other AE bundle ae1 displays it correctly (both ae1 and ae2 has 4 x 400G member links each from the same BT chip) Product-Group=evo |
To calculate AE VOQ stats, for every queue, FPC walks local AE legs and aggregates VOQ stats. For each queue, the total number of non-zero PFEs for that queue is taken from the last member. When the AE interface had multiple members. The "last-walked" member had no drops and therefore the AE interface's statistics did not display VOQ drops. |
PR Number | Synopsis | Category: Express pfe ddos protection feature |
1529847 | PTX10008 EVO FPC may reboots if ddos violations are seen during fpc restart Product-Group=evo |
On PTX10008 running Junos Evolved, if DDoS violations are seen during an FPC restart event, the FPC restart process may be interrupted and restarts again. |
PR Number | Synopsis | Category: Interface PR for Lazurite LC |
1562471 | JNP10K-LC1202 - ET-3/0/2:0-3 and ET-3/0/18:0-3 keep down when set them loopback. No this issues on other 10G ports on the same LC Product-Group=evo |
For retimer ports on JNP10K-LC1202 line cards, loopback. configuration is not working when there is no optics connected to the port. This affects on 20.4R1-EVO branch. |
PR Number | Synopsis | Category: PTX10K platform specific fabric PRs |
1537409 | Dependency-state details for the type net::juniper::hwd::fruHwStatus are seen after hwdfpc app restart with LSR core file profile configuration. Product-Group=evo |
The dependency-state details for the type net::juniper::hwd::fruHwStatus seen after hwdfpc app restart with lsr core profile configuration |
PR Number | Synopsis | Category: PRs related to PICd and associated lib WAN side PI code. |
1527821 | show interfaces diagnostics optics command doesn't work when IFD name is not given or when wild card is used Product-Group=evo |
Problem can be detected when "show interfaces diagnostics optics" command is executed with a wild card (example et-4/0/*) or when ifd name is not given at all. Execute "show interfaces diagnostics optics" with a specific IFD name for all IFDs above pic-port 10 |
PR Number | Synopsis | Category: Virtual Router Redundancy Protocol |
1548464 | The startup-silent-period command might not work in Junos OS Release 20.3R1 or later. Product-Group=evo |
On all Junos platforms, with double routing engine (RE) implemented, also, 20.3R1 version is in use, the knob 'startup-silent-period' might not work when performs Graceful Routing Engine switchover (GRES) without Nonstop Active Routing (NSR) enabled on Virtual Router Redundancy protocol (VRRP) router. |
PR Number | Synopsis | Category: EVO RCB software |
---|---|---|
1535880 | CLI issues are observed under the show system and show chassis hierarchies. Product-Group=evo |
Some CLIs which are not supported in PTX10001-36MR, when executed may return incorrect error messages. |
PR Number | Synopsis | Category: Express BT PFE L3 Features |
1487496 | Counter per AE child member for egress stats are not accurate for AE sub-interface(logical units) Product-Group=evo |
On PTX10008/PTX100016 routers, Counter per AE child member for egress stats are not accurate for AE sub-interface(logical units) and they should be ignored. |
1561608 | Junos EVO - Traffic loss of around 10 to 12 seconds seen on offline / online FPC Product-Group=evo |
In the JUNOS Evolved version 20.3 release, when an FPC is off-lined, there may be traffic loss for about 10 seconds. |
PR Number | Synopsis | Category: EVO build infrastructure related issues. |
1508626 | Add Python 3.x for EVO - module list Product-Group=evo |
There are Python 3.x modules that are missing from the Junos Evolved library. The equivalent of these modules is already installed under Python 2.7 module library. |
PR Number | Synopsis | Category: Firewall related development |
1556982 | Junos EVO - changing the interface-specific field of the referenced filter in a single commit is not supported. Product-Group=evo |
When changing an interface-specific field of a firewall filter may cause the firewall process to restart. This operation is not supported on the Junos Evolved Software when done with a single commit. You may do this in separate commits. |
PR Number | Synopsis | Category: Issues related to EVO interface statistics. |
1554370 | The output of "show interface queue <>" always show "Forwarding classes: 16 supported, 4 in use" with customized configuration Product-Group=evo |
On a PTX running Junos Evolved software, the output of "show interface queue <>" always show "Forwarding classes: 16 supported, 4 in use" with customized configuration. |
1557843 | PTX10008 "show interface" combined with refresh knob becomes sluggish after a clear interface statistics command Product-Group=evo |
On a PTX10008 running Junos Evolved, the "show interface" command combined with refresh knob becomes sluggish after a clear interface statistics command |
PR Number | Synopsis | Category: Issues related to evo operations - libevo infra, typeinfo .. |
1540807 | PTX10008 JNP10K-LC1202 : savecore.sh is failing to transfer core and journal files due to directory create errors Product-Group=evo |
PTX10008 JNP10K-LC1202 : savecore.sh is failing to transfer core and journal files due to directory create errors |
PR Number | Synopsis | Category: System Management daemon and related issues |
1559070 | PTX10008 PDT: could not open user interface connection: management daemon not responding , unable to goto edit/config mode Product-Group=evo |
While the system was rebooted, if the RE1 was kept offline. Once the node came up, you will be able to login thru the console. However, telnet to mgmt interfaces was not working. Both RE0 and RE1 were reachable thru the console, however unable to log into config mode. |
1562981 | PTX10008 EVO : PDT: power-off FPC works, power-ON FPC is not working Product-Group=evo |
To power-on, a powered-off fpc of a PTX10008 running Junos Evolved, use the "request chassis fpc slot online" command. |
PR Number | Synopsis | Category: System Management High availability |
1557461 | The 'show system switchover' is the command to use when checking if the backup is ready for switchover. Product-Group=evo |
Always use the 'show system switchover' command on the backup-re to determine if the standby is ready to take over. |
PR Number | Synopsis | Category: Interface PRs defect & enhancement requests |
1547622 | When routing instance primary IFF does not have address ping packets does not have source filled. Product-Group=evo |
When routing instance primary IFF does not have address ping packets does not have source filled. This will cause ping packet reply can't be received back. Workaround is configure lo0 address. |
PR Number | Synopsis | Category: Lacp related problems and issues. |
1553196 | [lacp] [lacptag] PTX10004 lacpd core is obserevd after router reboot Product-Group=evo |
The "lacpd" process may generate a core dump file while a router is shutting down in the following scenarios: a. router reboot b. router upgrade Since the router is shutting down, this won't have an impact on forwarding traffic. |
1553997 | LACP Force up option not working Product-Group=evo |
LACP Force up option not working |
PR Number | Synopsis | Category: AAA, auditd issues |
1557052 | EVO Vs JUNOS : strict-authorization config option missing under set system tacplus-options. Product-Group=evo |
With this change, when config knob strict-authorization is configured under tacplus-options and authorization fails, user is not allowed to login. |
PR Number | Synopsis | Category: Configd, ffp issues |
1556424 | If a inet filter is configured with/without 'family' statement then changing its configuration to without/with 'family' statement must not be done. Product-Group=evo |
If an inet filter is configured with/without 'family' statement then changing its configuration to without/with 'family' statement must not be done. Please Refer to AT #109. |
1556426 | If a inet filter is configured with/without 'family' statement then changing its configuration to without/with 'family' statement must not be done. Product-Group=evo |
If an inet filter is configured with/without a 'family' statement then changing its configuration to remove or add a "family" statement may cause the filter process (firewalld) to restart unexpectedly. |
PR Number | Synopsis | Category: mgd, ddl, odl infra issues |
1517160 | NETCONF service over SSH might not work on the device that runs Junos OS if in-band management is used. Product-Group=evo |
On Juniper device running Junos OS Evolved, NETCONF Service over SSH with dedicated TCP port (It is configured with 'system services netconf ssh' and the default port is 830) might not work if in-band management is used (i.e. connection is established via network interface or loopback interface etc.). |
1553489 | PTX10008 EVO file copy from one RE to another prompts for password twice and copied seen twice. Product-Group=evo |
On a PTX10008 running Junos Evolved, when performing a file copy from one RE to another prompts for the password twice and copied seen twice. |
PR Number | Synopsis | Category: Category for software tracing Infra issues |
1556040 | Core dump for trace-relay process is seen Product-Group=evo |
If some application spawns too many threads trace-relay daemon may dump core if it reaches the upper cap of memory usage. The trace infra will recover and there will be no impact to service. No action needed from user. |
PR Number | Synopsis | Category: Express PFE CoS Features |
1540400 | PTX10008 : traffic loss seen after Graceful switchover with LSR Core MPLS_DSCP profile configuration Product-Group=evo |
PTX10008 : traffic loss seen after Graceful switchover with LSR Core MPLS_DSCP profile configuration |
1545061 | [cos] [scheduler]: EVO COS: Queue drops on high priority AF4 queue is consistently seen, after one sib slot is offlined with 125% over-subs traffic Product-Group=evo |
When 1 SIB is offline, then in case of Ingress oversubscription of a PFE in BT chip (eg. BT0 DP0) scenario, there are chances that High priority queue might drop some amount of traffic. |
1553943 | [aft] [generic_evo] ptx10004 : PTX10004 :: - seeing cmerror dp_1_viqm_intr_req_enq_err, not cleared after loading latest 20.4 EVO Product-Group=evo |
In scenario of queue congestion, interface enable/disable or in PFC mode this interrupt can come on this release. |
1557136 | EVO COS: Cosd is getting stuck due to High CPU utilization, when router is power cycled with cosd trace config set to debug and blocking. Product-Group=evo |
When Issue occurs : Issue will seen when bulk configuration will be used with cosd trace level set to debug and blocking. impact of Issue: Cosd gets stuck due to high CPU utilization ( As trace level set to debug and blocking, so writing traces from the zookeeper thread will be taking a look time). |
PR Number | Synopsis | Category: Express PFE FW Features |
1540625 | PTX10008 : Core generated while testing AE filters Product-Group=evo |
PTX10008 : Core generated while testing AE filters |
PR Number | Synopsis | Category: Express PFE MPLS Features |
1556626 | Junos Evolved platforms - LDP: Clone route: Packet are not forwarded correctly from PHP hop and dropped at egress when explicit null enabled Product-Group=evo |
This is applicable to Junos Evolved platforms. The PHP router installs "clone routes" - explicit null at egress router. This is not supported before 20.4. The clone route handling is added in Junos Evolved software version 20.4 |
PR Number | Synopsis | Category: PRs for Lazurite Platform and Interface |
1538514 | After config "global system name-server" config commit should fail but commit is succeeds. Product-Group=evo |
After config "global system name-server" config commit should fail but commit is succeeds. |
PR Number | Synopsis | Category: vMX Data Plane Issues |
1534568 | [CORE-PR][vZT]: Inconsistent core.python2.7.mpc0 core is seen with stacktrace @ea_wi_precl,@ea_macsec_receive Product-Group=evo |
Inconsistent core.python2.7.mpc0 core is seen with stacktrace @ea_wi_precl,@ea_macsec_receive() |
PR Number | Synopsis | Category: KRT Queue issues within RPD |
1542511 | PTX10008 JNP10K-LC1201 : rpd core seen @ krt_reset_krtq_op_mcnh with lsr core profile configuration Product-Group=evo |
PTX10008 JNP10K-LC1201 : rpd core seen @ krt_reset_krtq_op_mcnh with lsr core profile configuration |
PR Number | Synopsis | Category: RPD Next-hop issues including indirect, CNH, and MCNH |
1534455 | Some routes might get incorrectly programmed in the forwarding table in the kernel which is no longer present in rpd. Product-Group=evo |
In a scaled routes scenario, if there is any route change operation when the system is under memory pressure, the rpd might change a route entry but the same is not conveyed to the kernel. This causes a mismatch between routes in rpd and kernel leading to traffic blackhole for the mismatched route entries that are incorrectly programmed in the kernel. |
PR Number | Synopsis | Category: PTX10K platform specific fabric PRs |
1540576 | PTX10008: 'SIB 0 ZF0 internal temp' sensor normal fan speed temperature threshold is set to 0. Product-Group=evo |
PTX10008 : 'SIB 0 ZF0 internal temp' sensor Normal Fan Speed temp threshold is set to 0 |
PR Number | Synopsis | Category: PTX10K specific platform PRs |
1543428 | The hwdre may restart resulting in queue drops on high priority queue AF4, after back-to-back GRES with oversubs traffic Product-Group=evo |
The "hwdre" process may restart resulting in queue drops on high priority queue AF4, after back-to-back GRES with oversubscribed traffic. |
1557419 | PTX10008:EVO Plugged-in FPCs are automatically turning into the online state, post performing mastership switchover Product-Group=evo |
On a PTX10008 running Junos Evolved software, the inserted FPCs are automatically turning into the online state, after performing the mastership switchover |
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