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18.3R1-S6: Software Release Notification for Junos Software Service Release version 18.3R1-S6

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Article ID: TSB17685 TECHNICAL_BULLETINS Last Updated: 22 Nov 2019Version: 1.0
Alert Type:
SRN - Software Release Notification
Product Affected:
ACX, EX, PTX, MX, QFX, vMX, vRR, NFX, SRX, vSRX
Alert Description:
Junos Software Service Release version 18.3R1-S6 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 18.3R1-S6 is now available.

The following are incremental changes in 18.3R1-S6.

 
PR Number Synopsis Description
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.

1386400

The QFX10K-12C-DWDM line card might crash when booting up

On QFX10008/10016 with QFX10K-12C-DWDM line card installed, the line card might crash when booting up. The issue results in traffic disruption during the line card booting up.

1430109

EX4300-48MP switch can not learn MAC address through some access ports that are directly connected to a host when auto-negotiation is used

On EX4300-48MP platform, the MAC address might not be learned on some access ports which are directly connected to a host with auto-negotiation is used.

1449681

l2circuit with a "backup-neighbor" (hot-standby) configured may stop forwarding traffic after failovers

On ACX platforms, if the "backup-neighbor" is configured with the "hot-standby" parameter, then l2circuit may stop passing traffic if the master path is down and back up again (l2circuit switchovers from the master path to the backup path, then moves back from the backup path to the master path)

1451559

In EVPN VXLAN scenario, sometimes host generated packets are getting dropped as hitting "reject route" in PFE

In EVPN VXLAN scenario, sometimes host generated packets are getting dropped as hitting "reject route" in PFE. For example, when you initiate the ICMP request sourced from EVPN instance's L3 GW irb address, the ICMP packet may not get out successfully in below scenario 1. control plane generated packet with overlay destination address (irb) belonging to one particular routing instance and the underlay (vtep) is on a different routing instance, This packet is inserted from control plane on the underlay's routing instance lookup which will fail leading to this control plane generated packet not go out. 2. When MPLS traffic engineering is enabled. The underlay vtep route in inet.0 will be labeled mpls route.

1452363

PFED cores and MIB2D reported as slow peer due to pfe accounting issue, original PR 1405091

The flow label statistics are retrieved from SYSCTL buffers periodically by PFED for PTX platform. During this retrieval & parsing there were logical coding errors which lead to memory corruption.

1453766

ACX5448 FPC crashed due to segmentation fault

ACX5448 FPC crashed due to segmentation fault, due to timing issue. There is very low chance of this core occurring.

1456624

ACX5448 L2VPN with encapsulation-type ethernet stops passing traffic after a random port is added with vlan configuration.

ACX5448 L2VPN with encapsulation-type ethernet stops passing traffic after a random port is added with vlan configuration

1457228

Few seconds of traffic drop might be seen on the existing receivers when another receiver joins/leaves

With "protocol igmp-snooping" configured, if some receiver joins/leaves a group, few seconds of traffic drop might be seen on the existing receivers.

1458559

The correct VoIP VLAN information in LLDP-MED packets might not be sent after commit if dynamic VoIP VLAN assignment is used

If the dynamic assignment of VoIP VLAN is used, the switch might not send correct VoIP VLAN information in LLDP MED packets after any configuration change and commit.

 

Modification History:
First publication 2019-11-21
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