21.3R3-S1: Software Release Notification for JUNOS Software

Alert Type

PSN - Product Support Notification

RiskRisk Description

Low/Notification

Software Release Notification

ImpactImpact Description

Low/Notification

Software Release Notification

Product Affected

ACX, EX, MX, PTX, QFX, NFX, SRX, VMX, VRR, VSRX, JET, FUSION Platforms

Alert Description

Junos Software Service Release version 21.3R3-S1 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 21.3R3-S1 is now available.

21.3R3-S1 - List of Fixed issues

PR Number	Synopsis	Category: EX4300 HA (GRES, NSR, NSB)
1665562	EX4300-48MP: VC: NSSU aborted with Backup RE maybe in inconsistent state Product-Group=junosvae	For NSSU to work fix should be present in the Base image. The issue started from 21.4R2 onwards. e.g If NSSU is done from 21.4 to 22.2 fix should be present in 21.4 image.
PR Number	Synopsis	Category: EX4300 Layer 2 implementation
1663172	MAC-address learning failure and traffic loss might be observed on VXLAN enabled port having native-VLAN configured. Product-Group=junos	On EX4300-MP with Virtual Chassis (VC) scenario, VXLAN enabled port might not learn MAC-address when having native-VLAN configured.
PR Number	Synopsis	Category: EX2300/3400 PFE
1633883	The EX2300 may unexpectedly drop VOIP VLAN traffic after reboot Product-Group=junos	On the EX2300 platform, the traffic drop may be observed on VOIP VLAN after the device reboot. Voice VLAN on EX2300 may not forward traffic correctly out of the interface when the device is either power-cycled / halted / power off or power on, and may not communicate with the default gateway.
PR Number	Synopsis	Category: EX2300/3400 platform
1667564	High numbers of POE devices might result in high CPU utilization Product-Group=junos	On EX2300 and EX3400 platforms, high CPU utilization might be observed when more POE devices are connected to the switch.
PR Number	Synopsis	Category: BBE interface related issues
1645574	[subscriber_services] [all] mx480 :: JDI_FT_REGRESSION::SUBSCRIBER-SERVICES::DHCP dual stack subscriber scale-up failed in access model dhcp relay. Product-Group=junos	Issue is seen while bringing up dual stack DHCP subscribers. Not able to bring DHCP subscribers, as subscribers are getting logged out automatically. facing difficulties in RC analysis, as events are received from different daemons.
PR Number	Synopsis	Category: Border Gateway Protocol
1635390	BGP routes might be left stale on the router Product-Group=junos	On all Junos and Junos Evolved platforms, if the BGP peer goes down, and the very last route in the list is marked as a high priority, BGP might assume no more routes to delete, causing routes to be stale.
1643178	On all junos platforms, when a route is received with broadcast address as next-hop, the platform may not consider it as an invalid route and drop the traffic intended for the destination Product-Group=junos	On all Junos platforms, in an eBGP scenario, if a route is received with a broadcast address next hop, it successfully programs it into the RIB (Routing Information Base), and eventually the route gets programmed into the FIB (Forwarding Information Base) as well. The treating of an invalid next hop as a valid one makes the platform try and fail when traffic for that route is received.
1664168	The v4 prefixes might not be advertised over the BGPv6 sessions Product-Group=junos	On all MX platforms with BGP rib-sharding and update-threading configured, the v4 prefixes might not be advertised over the BGPv6 sessions.
PR Number	Synopsis	Category: EVPN ELAN/E-TREE
1653531	HTTP(S) file download hangs over EVPN-ETREE Product-Group=junos	HTTP(S) file download hangs over EVPN-ETREE config. This issue occurs whenever the EVPN AC role is configured as leaf on the EVPN ETREE side that the (HTTPS) client resides, while it is configured as root on the server side.
1670683	ACX710 : Log related to resources reported after EVPN RI are deactivated / activated multiple times : "ACX_BD_ERR: dnx_bd_alloc_l2_svlan: System reached L3 IFL and BD limit(12286)" Product-Group=junos	Log related to resources reported after EVPN RI are deactivated / activated multiple times : "ACX_BD_ERR: dnx_bd_alloc_l2_svlan: System reached L3 IFL and BD limit(12286)"
PR Number	Synopsis	Category: VPWS, L2 CKT, EVPN-VPWS
1661802	The l2circuit backup might not get reverted to primary in rare condition Product-Group=junos	On ACX710/ACX5448 platforms in the layer2 circuit scenario, if the primary path is down due to any reason, the backup circuit takes the mastership and ideally, once the primary path is up, mastership is to be reverted. But, in rare cases, the mastership gets reverted but the label might get lost from PFE and results in traffic loss for the l2circuit connection. However, deactivating and activating the affected l2circuit configuration could help in restoring the services.
PR Number	Synopsis	Category: DNX platform MPLS FRR features
1635801	ACX710/5448 working as PE stops forwarding L3VPN traffic after core-facing link flapping Product-Group=junos	When ACX710/5448 series platforms work as PE nodes in L3VPN environment, it might stop forwarding L3VPN traffic after core-facing link flaps, due to a race condition that happens during L3VPN NH programming in PFE.
PR Number	Synopsis	Category: Covers Application classification workflows apart from custo
1642383	Flowd crash when back to back sigpack is updated at the time of stress traffic Product-Group=junos	The flowd might crash when back to back sigpack is updated when heavy traffic is going on.
PR Number	Synopsis	Category: AF interface in Node Virtualization
1666992	Traffic drop might occur on AF interface when PFE gets in disabled state on GNF in NodeSlice platforms Product-Group=junos	On MX-Series platforms with node slicing, the traffic blackhole of ~6mins might be observed on AF (Abstracted Fabric) interface when PFE (Packet Forwarding Engine) gets in disabled state on any GNF followed by FPC (Flexible PIC Concentrators) reboot on peer GNF (Guest Network Function).
PR Number	Synopsis	Category: EVO Class of Services
1667404	The default code-point aliases and respective CoS value Bit patterns are inconsistent with Junos in Evo Product-Group=junos	On Junos Evolved PTX platforms, class-of-service (CoS) values associated with default code-point aliases are inconsistent with Junos. Due to this, incoming packets may get associated with incorrect CoS servicing level (forwarding class and packet loss priority (PLP)).
PR Number	Synopsis	Category: SNMP, mib2d issues
1669510	The snmpd core might be observed with filter-duplicates configuration Product-Group=junos	On all Junos and EVO platforms configured with filter-duplicates, the snmpd core might be observed if the SNMP query is made simultaneously from NMS (Network Management System) as well from the CLI.
PR Number	Synopsis	Category: EVPN Layer-2 Forwarding
1669811	BUM traffic might be blackholed for ESI configured CE interface flap Product-Group=junos	On Junos MX/QFX5K/QFX10K platforms and Junos Evolved ACX/MX platforms, on interface up/down event loop prevention might not work resulting in BUM traffic being blackholed.
PR Number	Synopsis	Category: EX4400 PFE software
1663126	SSH traffic might be affected when filter log action is used Product-Group=junos	On EX4400 and EX4100 platforms, when a filter is configured with log action, Secure Shell (SSH) packet might hit queue 15 where it will be discarded after logging causing SSH to fail.
PR Number	Synopsis	Category: Express PFE L2 fwding Features
1654215	The ARP might not resolve with the native-vlan configuration Product-Group=junos	On all QFX10002-36Q/QFX10002-72Q/QFX10008/QFX10016 platforms, when Service Provider(SP) style is configured with IRB and native-vlan leads to ARP failure.
PR Number	Synopsis	Category: Express pfe Mclag
1666399	Static MACs are not programmed after reboot, resulting in floods of unicast traffic Product-Group=junos	After rebooting, we see that the link does not have a static MAC address. This results in unicast traffic flooding and sometimes traffic drops for this static MAC.
PR Number	Synopsis	Category: Enhanced Broadband Edge support for firewall
1615373	The counter might show double value when chassis enhanced-policer is configured Product-Group=junos	On MX Series platforms, Enhanced policer counter output shows double value when policer is applied in the ingress direction. The output shows normal when the filter is applied in the egress direction.
PR Number	Synopsis	Category: Kernel software for AE/AS/Container
1551184	The REs (Routing Engine) may crash during swapping the child interfaces of two AE bundles Product-Group=junos	On the platforms configured with dynamic subscribers over an AE interface, if swapping the child interfaces of two AE interfaces and then roll back the operation quickly, in a rare case, it may cause both REs to crash.
PR Number	Synopsis	Category: Integrated Routing & Bridging (IRB) module
1660208	After changing the MTU on an aggregated interface along with IRB the kernel crash might be observed Product-Group=junos	The kernel crash might be observed after changing the MTU on an aggregated interface along with integrated routing and bridging (IRB) on all Junos platforms.
PR Number	Synopsis	Category: Flow Module
1668898	vSRX not processing fragmented packets Product-Group=junos	When the system memory is running low (Yellow/Orange zone) due to extensive L7 inspection of traffic, fragmented packets may not be able to be reassembled and may be dropped.
PR Number	Synopsis	Category: lacp protocol
1599029	Uneven traffic distribution might be observed between member links of LAG Product-Group=junos	On PTX Series routers with LAG scenario where a prefix is advertised by two devices that are connected to the same upstream device, if the traffic with explicit null MPLS label from the upstream device to this prefix is shifted away from one of the devices by any means (like withdrawing the route advertising or disconnecting all its LAG links to the upstream device), the uneven traffic distribution might be seen on a few member links of the LAG on another device. This is due to an improper hash algorithm for LAG, which might cause performance degradation.
1616764	BFD hold-down timer doesn't work properly when LAG is configured Product-Group=junos	On all devices, if the BFD hold timer is configured, the BFD hold-down timer doesn't work properly.
PR Number	Synopsis	Category: lldp sw on MX platform
1669677	LLDP neighborship might fail if the chassis-id format of the LLDP packet is xx:xx:xx:88:8e:xx Product-Group=junos	On all Junos platforms, Link Layer Discovery Protocol (LLDP) neighborship fails if the chassis-id format of the LLDP packet is xx:xx:xx:88:8e:xx.
PR Number	Synopsis	Category: Port-based link layer security services and protocols that a
1660070	MACsec session configured over IFD might be down when an IFL configured on IFD is disabled/deactivated Product-Group=junos	On EX and QFX platforms, in vlan-tagging/flexible-vlan-tagging scenario, when multiple Logical Interfaces (IFLs)(SP-style) are configured on a single Physical Interface (IFD) and MACsec is configured on the same IFD, and when one of the IFL is diabled/deactivated MACsec session will be down.
PR Number	Synopsis	Category: Multiprotocol Label Switching
1664670	Dynamic label space usage crossed the threshold limit of 90 percent Product-Group=junos	On all Junos and EVO platforms, in warm standby mode, when the MPLS route is learnt on the standby, a label was allocated. As protocols are not running it will not be automatically synced/mirrored. But in case the route is deleted, this was not deallocated back and will result in traffic loss.
PR Number	Synopsis	Category: Multicast for L3VPNs
1617620	[mvpn] QFX10k : Auto-RP is going down after some time on QFX10k in NGMVPN scenario Product-Group=junos	Auto-RP packets arriving on LSI interface was not handled in case of QFX, because of which only the first packet was getting punted to CPU and the rest packets were getting discarded at Network Input because the eth header and mpls header was getting stripped off. To handle this case we have added a new sequence type for ucode instruction for AUTO-RP packets.
PR Number	Synopsis	Category: Microkernel for neo mpc
1664602	Line card may crash after offline/online plane Product-Group=junos	On platforms supporting MQ and XM-based line cards, destination error, self-ping error and line cards can be offline after swapping the XM-based uplink cards and toggling the fabric planes. The issue will be seen on other MQ-based line cards in the chassis.
PR Number	Synopsis	Category: "ifstate" infrastructure
1484322	The SNMP index in the Packet Forwarding Engine reports as 0, causing sFlow to report either IIF or OIF (not both) as 0 in the sFlow record data at the collector. Product-Group=junos	The SNMP index for bundle interface might become zero in PFE after restarting the FPC. This could cause the sflow records to have either "input interface value" (IIF) or "output interface value" (OIF) as 0 value.
PR Number	Synopsis	Category: IPv6/ND/ICMPv6 issues
1635867	IPv6 route advertisement sent on management interfaces might cause other devices to fail to get the dhcpv6 address Product-Group=junos	On all Junos platforms, if ZTP (Zero Touch Provisioning) is used, the dhcpv6 address might not be received when IPv6 route advertisement is sent on management interfaces without having the managed-configurations.
PR Number	Synopsis	Category: OSPF routing protocol
1659366	The memory leak and process rpd crash might be observed when the peer interface flaps continuously in the Segment Routing Product-Group=junos	On all Junos and Junos OS Evolved platforms configured with Segment Routing, when the peer interface flaps continuously, the memory leak might be observed which might lead to the process rpd crash.
PR Number	Synopsis	Category: Express Chip L3 software
1652372	Regressions : VPTX - After restart routing, jvision sensors are not getting reset and in result the verification is failing as ${isis_ae_intf}, ${StreamTxCount1} objects are coming unequal Product-Group=junos	Under Investigation: Fetching SR JVision sensors for for AE IL per member link stats will not reset after doing the restart routing.
PR Number	Synopsis	Category: for all ipv6 related issues
1662707	IPv6 ND packets might be dropped in QFX5100 and QFX5110 platforms Product-Group=junos	On QFX5100 and QFX5110 platforms, with L2circuit configured, after performing an upgrade, the IPv6 ND (Neighbor Discovery) packets might be dropped.
PR Number	Synopsis	Category: QFX L3 data-plane/forwarding
1650335	Traffic Loss will be observed with Virtual-Router Product-Group=junos	In EX4K and QFX5K platforms, traffic loss will be observed with virtual-router function.
PR Number	Synopsis	Category: QFX EVPN / VxLAN
1659533	Traffic loss might be seen when a VxLAN port is recovering from a failure Product-Group=junos	On all Junos platforms, the Virtual Extensible LAN (VxLAN) port goes to Spanning Tree Protocol (STP) BLK state when the port is down and takes a while to go back to the FWD state when the link is up. Traffic loss is seen in this case.
PR Number	Synopsis	Category: QFX10008/16 QFX10002 Ultimat/Elit platform related issues -
1597479	The process dcpfe/FPC crash may be observed on the QFX10000 series platforms in a rare case Product-Group=junosvae	On the QFX10000 series platforms, the process dcpfe/FPC crash may be observed in boot time if rebooting the devices.
PR Number	Synopsis	Category: QFX5100 Virtual Chassis
1667952	QFX5100VC SNMP : jnxPowerSupplyFailure and jnxPowerSupplyOK are not getting generated for Backup FPC Product-Group=junos	On QFX5100VC, jnxPowerSupplyFailure and jnxPowerSupplyOK are not getting generated for Backup FPC.
PR Number	Synopsis	Category: QFX5200/5110/5120/5210 Interface
1657534	Cannot fetch the interface FEC details after disabling/enabling interface Product-Group=junos	On Junos platforms, on the QFX5200-32C-32Q platform, on disabling and enabling interfaces, the Fast Ethernet channel (FEC) might mismatch and the FEC details link might not come up.
PR Number	Synopsis	Category: QFX5200/5110/5120/5210 Platfom issues
1646894	Restarting one of the FPCs may cause traffic loss in QFX VC scenario Product-Group=junosvae	On QFX with the Virtual Chassis (VC) scenario, when traffic coming into master FPC and going out from the backup FPC, reboot the backup FPC, the master FPC still thinks the backup link is present, and "show lacp interface" also continues showing the backup link as collecting / distributing. Therefore, master FPC continues sending the echo reply through the backup link which fails since the backup is powered off, which might lead to a traffic drop.
1658568	QFX5120: "request system power-off" doesn't work and vmcore is generated Product-Group=junosvae	On QFX5120 platform, "request system power-off" doesn't work and system will be rebooted. At that time, vmcore is generated.
PR Number	Synopsis	Category: Routing Information Protocol
1660424	A policy with a policy action "community" configuration may not work Product-Group=junos	On all Junos and Evolved platforms, when a policy with policy action "community set/add/delete" is configured and the same policy is imported under Routing Information Protocol(RIP) protocol, community configuration may not work.
PR Number	Synopsis	Category: Issue related to mcnh routing infrastructure within RPD
1663568	The forwarding plane is not updated properly in scaled MVPN scenario after receiving PIM leave messages Product-Group=junos	On all Junos and Junos Evolved platforms, when IFLs from non-default routing instances are being added with the OIF scaling of more than 2000 there will be a spillover of IFLNHs into different next hops due to this the outgoing interfaces (OIFs) will not be deleted from multicast next-hop.
PR Number	Synopsis	Category: RPD Next-hop issues including indirect, CNH, and MCNH
1659255	The multipath route might be missing when multipath is configured Product-Group=junos	On all Junos and Evolved platforms, when multipath is configured multipath computation is missed for the routes resulting in missing multipath routes.
PR Number	Synopsis	Category: SW PRs for SCBE3 fabric
1657378	The low priority stream may get stuck and all traffic might be dropped Product-Group=junos	On MX-Series devices, the low priority stream might be marked as a destination error and as a result, the low priority stream is stuck and all traffic might get dropped.
PR Number	Synopsis	Category: IPSEC functionality on M/MX/T ser
1635882	IPsec tunnel may not establish after a flap Product-Group=junos	IPsec tunnel may not establish after a flap if the remote end is aggressively retrying and sending many IKE requests.
PR Number	Synopsis	Category: ZT/YT pfe infra issues
1633286	The ppman process might crash and MPC cards will be stuck in the ISSU state when "Unified ISSU with Enhanced Mode" is performed Product-Group=junos	On MX platforms, when "Unified In-Service Software Upgrade (ISSU) with Enhanced Mode" is performed, ppman crash may be seen and MPC10 and MPC11 cards will be stuck in the ISSU reboot state. The crash is seen if the node has both Link Aggregation Control Protocol (LACP) and Link Fault Management (LFM) sessions. Traffic loss might be seen due to the crash and wrong card state.
PR Number	Synopsis	Category: Authentication, Authorization, Accounting, PAM (RADIUS/tacplus)
1660931	Lockout-period might not work as expected Product-Group=junos	Lockout-period might not work as expected and the user gets locked out.
PR Number	Synopsis	Category: PTX/QFX10002/8/16 specific software components
1599183	False fan failure alarm flaps (set and cleared) frequently Product-Group=junosvae	Fan Trays (FT) on PTX10008/10016 EVO system has implemented dampening with the zero speed failures. The same will be implemented in Junos.
PR Number	Synopsis	Category: Virtual Router Redundancy Protocol
1668280	The VRRP track might go down upon GRES Product-Group=junos	On all Junos platforms, when Graceful Routing Engine Switchover (GRES) is performed on the Virtual Router Redundancy Protocol (VRRP) master, the VRRP track on the master may go down and might be stuck in the down state. This might trigger VRRP Master switchover and temporary traffic loss if the track route cost changes the priority.
PR Number	Synopsis	Category: Windsurf interfaces software
1664978	The link-degrade recovery will not work for a specific interface speed Product-Group=junos	On all Junos platforms link-degrade functionality needs to be supported and manually configured. Link degrade is manually configured to monitor for link error/issues. Once the error is observed, the link goes down.

21.3R3-S1 - List of Known issues

PR Number	Synopsis	Category: Software documentation- m-mx-series
1490967	IP-options router alert traffic not hitting the egress firewall filter Product-Group=junos	currently, IP options are not supported for egress firewall attach points, relevant supporting doc attached: https://www.juniper.net/documentation/us/en/software/junos/routing-policy/topics/concept/firewall-filter-match-conditions-for-ipv4-traffic.html. The issue might occur IP-options router alert traffic not hitting the egress firewall filter.
PR Number	Synopsis	Category: NFX Dual CPE software category
1557607	20.4R1.3:nfx350ha::Tcp session is not establised on DCPFE resart on primary node Product-Group=junos	On NFX350 HA systems, when FPC0 (when node0 is Primary) or FPC7 (when node1 is primary) is restarted (e.g., with CLI command "request chassis fpc slot <> restart node local" or due to dcpfe cores on the primary), that may cause FPC1 or FPC8 to restart, which might cause the pre-existing TCP sessions to break and not get reestablished by itself - the TCP sessions might need to be manually reestablished.
PR Number	Synopsis	Category: NFX Series Platform Software
1634245	NFX350 : Observed localhost.ovs-vswitchd cores in NFX350 boxes Product-Group=junos	This is a mistaken PR. The ovs-vswitchd receives a signal to save its core file during the system shutdown. This is a timing issue when using a script to perform automated regression testing. Shutting down the NFX350 manually does not cause the ovs-vswitchd to save its core file.
PR Number	Synopsis	Category: ACX Services feature
1633395	Delegated BFD sessions configured on routing-instance may fail to come up Product-Group=junos	On ACX5448 and ACX710 platforms, all types of delegated BFD sessions configured on routing-instance other than the default routing-instance might not come up.
PR Number	Synopsis	Category: Bi Directional Forwarding Detection (BFD)
1624085	Aggregated Ethernet interface might send/receive traffic through child link though BFD status is "client in hold-down state" Product-Group=junos	On all Junos OS and Junos OS Evolved devices, traffic might continue to forward on the aggregated Ethernet member link even if MicroBFD status is in a hold-down state. There is no traffic loss due to this issue.
PR Number	Synopsis	Category: Layer 3 forwarding, both v4+v6
1663563	Transit traffic drop was seen for BGP-LU(Border Gateway Protocol-Labeled Unicast) prefix on ACX5448/ACX710 when BGP-LU label routes has ECMP(Equal-Cost Multipath) forwarding path Product-Group=junos	On ACX5448/ACX710, transit traffic drop is observed for BGP-LU prefix when ECMP is enabled. It is acting as a transit router between two routers and BGP-LU prefix route towards any of them has ECMP path. This issue may impact a forwarding plane and cause a traffic impact.
PR Number	Synopsis	Category: EX Diagnostics Software
1598805	The interface on SFP-T or SFP-SX might stop forwarding traffic on EX4600 Product-Group=junos	On EX4600, the interfaces on SFP-T or SFP-SX might stop forwarding traffic when MACSec and auto-negotiation is enabled on the ports. The interfaces would still show as up and the transmit and receive counters will increase. However, the transmit counters on the port will not increase.
PR Number	Synopsis	Category: SRX4100/SRX4200 platform software
1587360	HA AP mode on-box logging in LSYS and Tenant: Security log verification is failing as the contents of binary log file in LSYS are not as expected Product-Group=junos	HA AP mode on-box logging in LSYS and Tenant, Intermittently Security log contents of binary log file in LSYS are not as expected
PR Number	Synopsis	Category: Interface Information Display
1611623	SRX1500: Traffic fail seen on irb interface for network control forwarding class when verifying dscp classification based on single and multiple code-points Product-Group=junos	Traffic drop might be seen on irb interface on SRX1500 for network control forwarding class when verifying dscp classification based on single and multiple code-points.
PR Number	Synopsis	Category: Libjtask for RPD tasks, scheduler, timers, memory, and slip
1589432	:EX2300:RPD core is seen on EX2300 boxes after rebooting master when master is not in shortest path Product-Group=junos	In rare circumstances when doing routing-engine switchover, the routing protocol daemon in former active routing-engine (new backup routing-engine) might restart with a coredump while in process of being terminated.
PR Number	Synopsis	Category: SRX Firewall Authentication
1659115	show fwauth user details is not displaying group information Product-Group=junos	SRX cli command to show fwauth user details like "show security firewall-authentication users identifier 1" and "show security firewall-authentication users address 1.1.1.1" does not display user's group information.
1665645	DVPN - authentication fails with user-groups under access profile configured on SRX Product-Group=junos	Dynamic VPN authentication will fail when user groups are configured under access profile on SRX
PR Number	Synopsis	Category: Layer2 forwarding on EX/NTF/PTX/QFX
1664955	MAC addresses learned on the RTG interface are not aging out Product-Group=junos	On Junos EX/NFX/QFX platforms, stale MAC addresses entry not getting removed for RTG (Redundant trunk groups) interfaces.
PR Number	Synopsis	Category: SW PRs for MPC10E Chassisd
1664448	SP][PDT][MPC10E]: Heap memory increase by 20-25% after protocol flap test for 12 hours Product-Group=junos	In long duration of link and protocol flapping test, significant increase in Heap Util is observed. This does not indicate memory leak and most of it can be reclaimed by the following command from the linux shell on the FPC: cli> start shell pfe network base-os fpcX (>>> Logging into FPC shell) root@router-fpcX:~# echo 3 > /proc/sys/vm/drop_caches However, due to potential impact to performance to recreate the dropped cache objects by linux, we do not recommend the use of this command outside of a testing or debugging environment.
PR Number	Synopsis	Category: MX Timing software
1642890	[ptp] [ptptag] mx480 : :: MPC2E 3D EQ(1588v2 PTPoIPv6)-PTP lock status stuck in ACQUIRING Product-Group=junos	WIth PTPoIPv6 on MPC2E 3D EQ, PTP slave stays in acquiring state.
PR Number	Synopsis	Category: OS IPv4/ARP/ICMPv4
1614145	EX4400-48MP - VM cores and VC split maybe observed with multicast scale scenario Product-Group=junos	EX4400-48MP - VM cores and VC split maybe observed with multicast scale scenario
PR Number	Synopsis	Category: QFX5100 Platfom related issues. CPLD, FPGA, FRU, Host, RE
1661349	VC in unstable state for 3-7 minutes causing traffic loss Product-Group=junos	EX4600 and QFX5100-24Q devices VC(Virtual-chassis) is in unstable state for 3-7 minutes causing traffic loss.
PR Number	Synopsis	Category: KRT Queue issues within RPD
1501817	Traffic might get dropped or discarded in the fast-reroute scenario Product-Group=junos	In the platform using INH (indirect next hop, such as Unilist) as route next hop type for multiple paths scenario (such as BGP PIC or ECMP), the session fast-reroute might be enabled in Packet Forwarding Engines (PFEs). When the version-id of session-id of INH is above 256, the PFE might not respond to session update, which might cause the session-id permanently to be stuck with the weight of 65535 in PFE. It might lead PFE to have a different view of Unilist against load-balance selectors. Then either the BGP PIC or the ECMP-FRR might not work properly and traffic might be dropped or silently discarded.
PR Number	Synopsis	Category: AMS (aggregated MS interface) related issues for load balanc
1605284	In the AMS bundle traffic might not be load balanced across member interfaces on MX-VC Product-Group=junos	On MX-VC (Virtual Chassis) platforms with MS-MPC or SPC3 service cards and AMS(Aggregated Multi-Service), traffic on the line card in the backup chassis may not be load-balanced properly due to timing conditions. This works well on the line card in the master chassis. There might be traffic loss when interfaces are not properly balanced.
PR Number	Synopsis	Category: SRX Argon module
1646661	21.3R2:SRX_RIAD:srx1500, srx4200:SKYATP: IMAP/IMAPS Email permitted counter is not incremented in AAMW email statistics while testing whole email block. Product-Group=junos	The SKYATP:IMAP/IMAPS Email permitted counter may have incorrect value under certain conditions.
PR Number	Synopsis	Category: SRX branch platforms
1598462	20.3R3 & 20.4R3 & 21.1R2 & 21.2R1:SRX345:ZTP Phone Home with Auto-image-upgrade: phone-home ZTP is not starting Product-Group=junos	For release 20.3R3 & 20.4R3 & 21.1R2 & 21.2R1, phone-home ZTP is failing on branch srx as phone home client is unable to connect to Phone Home Server/Redirect Server.
PR Number	Synopsis	Category: Trio pfe bridging, learning, stp, oam, irb software
1632411	JDI-RCT:M/Mx: MAC addresses not learnt for some bridge domains Product-Group=junos	Macs are not getting learned in some bridge domains with DC config.
1636758	JDI-RCT:M/Mx: FPC core @ jnh_call_read_index , trinity_nh_ucast_uninstall_hw Product-Group=junos	With given multi dimensional scale, if configuration is removed and restored continuously for more than 24 times, MX Trio based FPC may crash and restart. During the reboot, there can be traffic impact if backup paths are not configured.
PR Number	Synopsis	Category: Junos Fusion Aggregation Device Infra
1647228	AUTO-CORE-PR : JDI MMX REGRESSION : SDPD core found @ crx_validate_outgoing_msg ctx_build_dcp_discovery_frame dcp_tx_discovery_packet Product-Group=junos	Issue happens during sdpd discovery packet validation. We are hitting LLDP PDU error code (i.e) discovery packet received in extended port.
PR Number	Synopsis	Category: VMHOST platforms software
1646339	The alarm might not be generated for EDAC errors until the FPC is rebooted Product-Group=junos	On all MX and PTX platforms, EDAC errors are triggered but alarms are not observed until the FPC gets rebooted due to the data corruption in hardware.
PR Number	Synopsis	Category: usf ipsec related issues
1625888	Packet loops in the pic even after stopping the traffic on MX platform with SPC3 line card Product-Group=junos	Packet loop might happen when IPsec SA be deleted (command clear/rekey, etc), which will causing high CPU. Clear SA again to recover
PR Number	Synopsis	Category: usf logging and reporting function related issues
1614358	21.3R1:USF-NAT: Duplicate syslog messages are displayed for V4 and v6 session close after Configure NAT Services with 2 Service sets (next-hop style) one for NAPT44 and another for NAPT64. Product-Group=junos	In some NAPT44 and NAT64 scenarios, Duplicate SESSION_CLOSE Syslog will be seen.
PR Number	Synopsis	Category: usf nat related issues
1588046	show services count on vms interface is not as expected while sending FTP traffic from public side after configuring with NAPT44+EIM+APP+PCP Product-Group=junos	In USF mode (MX-SPC3), With NAPT44,EIM,APP & PCP configuration, show services session count on vms interface is not as expected for FTP traffic initiated from public side.

Modification History

First publication date 2022-07-20