ACX, EX, MX, PTX, QFX, NFX, SRX, VRR, and VMX

Junos Software Service Release version 18.4R1-S5 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 18.4R1-S5 is now available.

18.4R1-S5 - List of Open issues

PR Number	Synopsis	Category:QFX L3 data-plane/forwarding
1367439	Invalid VRRP mastership election on QFX5110-VC peers	Both QFX5110, used as VRRP peers, in some specific scenarios involving configuration of bpdu-block-on-edge might claim to be VRRP masters.

18.4R1-S5 - List of Fixed issues

PR Number	Synopsis	Category:EX2300 & EX3400 platform
1351757	On EX3400 when me0 ports are connected between 2 EX3400 switches the link does not come up.	On Ex3400 when me0 ports are connected between 2 EX3400 switches, the link does not come up. The link comes up when me0 is connected to network port.
PR Number	Synopsis	Category:QFX Access control list
1429543	The traffic with destination UDP port 520 (RIP) or 521 (RIPng) gets dropped on QFX5000/EX4600 platforms	On QFX5000/EX4600 platforms, the received traffic will be dropped if the destination UDP port is 520/521 though the device runs pure layer 2 swithcing.
PR Number	Synopsis	Category:QFX PFE CoS
1433252	The traffic is placed in network-control queue on extended port even if it comes in with different dscp marking	In Junos Fusion scenario, when traffic from AD (aggregation device) to SD (satellite device) is exported with different dscp marking, it might be changed into network-control queue on extended port of SD.
PR Number	Synopsis	Category:QFX PFE L2
1437577	Physical layer and MAC/ARP learning might not work for copper base SFP-T on QFX5100/QFX5110/EX4600	On QFX5100/QFX5110/EX4600 platforms, if copper base SFP-T is used, it might not get up on physical layer and the MAC/ARP learning might not work if it gets up. The PR fixes both layer-1 and layer-2 issues in this scenario.
1467763	The fxpc.core might be seen when committing the configuration all together, e.g., after the reboot	On EX2300/3400/4300/4600 and QFX Series switches except for QFX10k, if committing the configuration all together (e.g., after the reboot), the fxpc/PFE core dump might be found. In the Virtual Chassis scenario, the VC members might be splitted because the VC ports might not be created in time.
PR Number	Synopsis	Category:QFX L3 data-plane/forwarding
1460688	The egress interface in PFE for some end-hosts may not be correct on the layer 3 gateway switch after it is rebooted	On edge-routed bridging (ERB) EVPN-VXLAN multihoming designs with QFX5110 and QFX5120 switches work as Layer 3 gateways, in some rare condition, when one of the switches acting as L3 gateway comes up after reboot, the egress interface in PFE for some end-host may not be updated to the correct next-hop interface in the hardware on that gateway. This issue cause traffic disruption for the affected end host
PR Number	Synopsis	Category:JUNOS kernel/ukernel changes for ACX
1385855	On ACX led on GE interface goes down when speed 10M is added	ACX led on GE interface goes down when speed 10M is added
PR Number	Synopsis	Category:Interfaces IFD, IFL, vlans, etc and BRCM init for ACX
1427362	The FPC/fxpc crash may be observed on ACX platforms	In a rare condition, due to a timing issue, the FPC/fxpc may crash if the AE interface flaps, such as deactivating/activating the AE interface.
PR Number	Synopsis	Category:MPLS for ACX
1435791	In ACX platforms, no-vrf-propagate-ttl may not work after activate or deactivate of COS configuration	No-vrf-propagate-ttl may not work after activate or deactivate of COS configuration in acx
PR Number	Synopsis	Category:common or misc area for SRX product
1430941	Unable to launch J-Web , when the device is upgraded through USB image	On SRX5000 series, when the device is upgraded through USB image, J-Web is not available and needs to be installed through "request system software add optional://jweb-srx".
PR Number	Synopsis	Category:Border Gateway Protocol
1351639	The rpd crashes in JunOS 16.1 or higher during BGP convergence	In JunOS 16.1 or higher, during BGP convergence, the input/output thread constructing the outgoing BGP PDU and manipulating the path attributes before hand-off the data to the socket. If this PDU length is zero, it will trigger an assertion and routing-protocol demon is restarting.
PR Number	Synopsis	Category:CoS support on DNX Platforms
1443466	RED drops might be seen after link flaps or CoS configuration changes	On an ACX5448 box, link flaps or CoS configuration changes (specific to temporal value changes) might result in traffic drop on all interfaces and recorded as RED drops.
1470619	RED drop on interface, no congestion	On DNX-based platforms such as an ACX5448 - when changing an interface configuration - such as from vlan-tagging to flexible-vlan-tagging 2-3 times - you may see persistent RED drops even when the interface does not experience congestion condition.
PR Number	Synopsis	Category: DNX platform interface
1434900	ACX5448 might malfunction in encapsulating small packets if egress link is 40G/100G	On ACX5448, if egress link is 40G/100G, small size packets are encapsulated improperly and causing remote interface drops the packets as runts.
PR Number	Synopsis	Category:L3 V4 V6 etc support for DNX
1426734	[ARP] RLI:39207:RIO-X:SKU ACX5448-D: 96K ARPs are getting populated but only 47K NH entries are present. So around 50% packet drop is observed.	Due to BCM sdk design, EEDB hardware entry is not freed for unicast next-hop creation. This leads to resource leakage and is not allowing to higher scale.
PR Number	Synopsis	Category:Miscellaneous PFE on DNX
1422544	slow copy image speed to ACX5448	copy images from WAN interface to RE of ACX5448 takes long time
PR Number	Synopsis	Category:Libjtask for RPD tasks, scheduler, timers, memory, and slip
1431033	Traceoptions file is exceeding configured file size limit and the file keeps on growing	With 64-bit RPD running and traceoptions configured e.g. for BGP or MPLS statistics etc., the trace files are not rotating/rolling over as per the configured file size limit and the logs continue to be written to a single file continuously.
PR Number	Synopsis	Category:Kernel software for AE/AS/Container
1412215	On a trunk interface native-vlan-id causes packet drop on EX4300/3400	Whenever the native vlan config is done along with flexible-vlan tagging, the changes related native vlan are not taking effect in PFE.
PR Number	Synopsis	Category:Juniper Device Manager VM Mgmt and infrastructure function
1463963	nfx-2 :- JDM is not allowing to spin up VM if VNF name contains with word jdm	VNF name will be allowed jdm as a substring (case insensitive) but vnf name should not be equal to jdm (case insensitive). In other words, jdm123, abcJDM, abcJDM123 are valid VNF names but jdm, JDM,Jdm, JDm are not valid VNF names
PR Number	Synopsis	Category:Flow Module
1417510	Junos OS: SRX Series: Denial of Service vulnerability in flowd due to multicast packets (CVE-2019-0068)	The SRX flowd process, responsible for packet forwarding, may crash and restart when processing a specific multicast packet ; Refer to https://kb.juniper.net/JSA10968 for more information.
PR Number	Synopsis	Category:Security platform jweb support
1410401	Junos OS: Session fixation vulnerability in J-Web (CVE-2019-0062)	A session fixation vulnerability in J-Web on Junos OS may allow an attacker to use social engineering techniques to fix and hijack a J-Web administrators web session and potentially gain administrative access to the device. Please refer to https://kb.juniper.net/JSA10961 for more information.
PR Number	Synopsis	Category:Multiprotocol Label Switching
1427414	MPLS LSP auto-bandwidth statistics miscalculations might lead to high bandwidth reservation.	With auto-bandwidth configured for Resource Reservation Protocol (RSVP) Label Switched Path (LSP), when current stats collected are lower than previous values, the current stats is used to calculate rate and the rate can be skewed, hence large bandwidth might be wrongly reserved for the LSP. If there is no sufficient resources (e.g. bandwidth, alternative path) in the network, other LSPs might be torn down, or might not go up.
PR Number	Synopsis	Category:Multicast Routing
1468737	The mcsnoopd crash might be seen if one BD/VLAN is configured as part of EVPN and it has any multicast router interfaces (static/dynamic)	In all Junos platforms where EVPN SMET is supported, the mcsnoopd process might crash if a snooping enabled BD/VLAN which has mrouter port(s) is configured as part of EVPN as extended VLAN/VNI.
PR Number	Synopsis	Category:SW PRs related to Vale Edge (MX10K) development
1451011	JNP10K-LC2101 FPC generates "Voltage Tolerance Exceeded" major alarm for EACHIP 2V5 sensors	Alarm "FPC X Voltage Tolerance Exceeded" and got cleared after ~ 20second for FPC model "JNP10K-LC2101". Alarm is raised for EA_chip_2v5 sensors as voltage readings are reported as out of tolerance. The issue is due to incorrect reading of voltage level, there shall be no impact expected from this issue. %DAEMON-4: Alarm set: CB color=RED, class=CHASSIS, reason=FPC 0 Voltage Tolerance Exceeded %DAEMON-4: Receive FX craftd set alarm message: color: 1 class: 100 object: 143 slot: 0 silent: 0 short_reason=FPC 0 Voltage Failure long_reason=FPC 0 Voltage Tolerance Exceeded id=1946157199 reason=1946157056 %DAEMON-4: Major alarm set, FPC 0 Voltage Tolerance Exceeded Following error might be seen in host logs: fpc_volt_read:1183 Volt tolerance failure Address: 0x35 Segment: 0x10 Sensor Name: EA0_2V5 ratio = 0.317200 fpc_volt_read:1183 Volt tolerance failure Address: 0x35 Segment: 0x10 Sensor Name: EA0_2V5 ratio = 0.317200
PR Number	Synopsis	Category:FreeBSD Kernel Infrastructure
1425608	The kernel crashes when removing mounted USB while a file is being copied to it	If you pulled out a USB from the system while files are being copied, the kernel will panic and the system will restart.
1439189	The recovery snapshot cannot be created after system zeroize	On EX2300/3400 platforms, the recovery snapshot might not be able to be created after a system zeroize. This is due to certain hardware space limitation over time where there is not enough space to save full snapshot.
1442376	EX2300 platforms might stop forwarding traffic or responding to console	On EX2300/EX2300-C platforms, if Junos software is with FreeBSD kernel version 11 with the build date on or after 2019-02-12, the switch may stop forwarding traffic or responding to console. Power cycle of switch would recover the issue.
1445151	The RE might go to amnesiac mode if there is an older os-package package on an upgraded box	On all Junos platforms, if there is an older os-package package exist on an upgraded device, the RE might go to amnesiac mode after a reboot. The os-package is essential when toggling back and forth between 15.1 release and a later release.
1454950	mgd error found during Junos 18.4R2.7 boot up and Junos did not work as expect	PFE sometimes does not come up after system reboot .Timeout is required to handle the fifo tx/rx error. Debug sysctls are been removed. Mutex been added to handle to race condition.
1469400	Member of virtual chassis might reboot because of lack of watchdog patting	In virtual-chassis scenario on EX3400, if watchdog pat did not happen within stipulated time, member (master or backup or linecard) of virtual chassis might reboot automatically with "0x2:watchdog" as reboots reason.
PR Number	Synopsis	Category:PTP related issues.
1408178	QFX5k : Transit traffic loss when one of LAG child interfaces deleted or deactivated	Traffic does not pass through LAG interface on QFX5k once deleted or deactivated one of child interfaces though LAG interface is UP state. At that time, invalid vlan tag will be added to traffic.
PR Number	Synopsis	Category:QFX Control Plane Kernel related
1457414	The PFE process might crash after RE (routing-engine) switchover on QFX10K platforms	On QFX10K platforms, the PFE process might crash after routing engine (RE) switchover if the device has GRE(Generic Routing Encapsulation) or p2p interface configuration. The issue is due to the internal tokens allocated for GRE or p2p interfaces on master RE are not sent to backup RE. Since these tokens are not available on backup RE, there will be issues post GRES (Graceful Routing Engine Switchover) as the new master will end up creating same tokens as the old master. These tokens are already received by PFE from old master, the PFE will reject the new tokens and may panic.
PR Number	Synopsis	Category:QFX platform optics related issues
1430115	Interface on QFX does not come up after the transceiver is replaced with one having different speed	On QFX series platforms, interface may not come up when the transceiver is replaced with another transceiver which has different speed.
PR Number	Synopsis	Category:Filters
1464352	The dcpfe might crash when changing the firewall filter on QFX5K platforms	On QFX5K switches, when a firewall filter term is changed in scale conditions (such as, more than 2500 iRACL--ingress Routing ACL entries), the dcpfe might crash especially in make-before-break scenario. It might cause all interfaces in this FPC down.
PR Number	Synopsis	Category:KRT Queue issues within RPD
1406822	Traffic impact might be seen if auto-bandwidth is configured for RSVP LSPs	With auto-bandwidth configured for Resource Reservation Protocol (RSVP) Label Switched Path (LSP), when timeout occurs during LSP statistics query, large bandwidth might be wrongly reserved for the LSP. If there is no sufficient resources (e.g. bandwidth, alternative path) in the network, other LSPs might be torn down, or might not go up.
PR Number	Synopsis	Category:show route table commands, tracing, and syslog facilities
1442542	EVENT UpDown interface logs are partially collected in syslog messages	When multiple interfaces UpDown event happens, a number of interfaces are not logged the event but partial logs are recorded in messages file.
PR Number	Synopsis	Category:Generic platform and infra issues for MS-MIC and MS-MPC(XLP)
1358019	Traffic might be blocked on MX with MS-MPC/MS-MIC	On MX Series platforms with MS-MPC or MS-MIC, if a large sum of similar packets (for example, thousands of packets) are received, because of the flaw in the method to process these packets, data/management path was completely blocked and dead locked. Eventually, traffic might be blocked.
PR Number	Synopsis	Category:MX10003/MX204 Platform SW - Chassisd s/w defects
1422679	The allocation of MAC address may fall out of the MAC address pool on MX204 platform	On an MX204 platform, the allocation of MAC address for the second PIC in the FPC may fall out of the MAC address pool, which may further cause a MAC conflict in the network.
PR Number	Synopsis	Category:SRX-1RU platfom chassisd SW defects
1453154	The fxp0 interface might redirect unicast packets on SRX4600 platforms	When the fxp0 interface receives unicast packets(ICMP/TCP/UDP) which destination is NOT itself, the fxp0 interface might process unicast packets and unicast traffic will be dropped on revenue port.
PR Number	Synopsis	Category:Junos Automation, Commit/Op/Event and SLAX
1449987	REST API process will get non-responsive when a number of request coming with a high rate	When several continuous HTTP requests are received via REST API, the REST service might get non-responsive.
PR Number	Synopsis	Category:Configuration management, ffp, load action
1407848	The "show configuration" and "rollback compare" commands causing high CPU	If scaled config of interfaces and filters are configured, the CPU usage hits 100% for a few seconds while running "show configuration" or "show system rollback compare " commands.
PR Number	Synopsis	Category:Junos Fusion Aggregation Device Platforms
1412781	Junos fusion / v44 / Incorrect power values for extended optical ports	On Junos Fusion setup there is no support to read rx power values considering internal calibration. Hence low rx power values are read across satellite node interfaces. This stands addressed through revised SNOS image. SNOS images carrying fix : 3.5R1.4 and 3.2R4.8 Issue would not be seen on JUNOS compatible with these images.

First publication 2019-12-20