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17.1R2-S12: Software Release Notification for JUNOS Software Version 17.1R2-S12

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Article ID: TSB17752 TECHNICAL_BULLETINS Last Updated: 19 Mar 2020Version: 1.0
Alert Type:
SRN - Software Release Notification
Product Affected:
MX, PTX, VMX, VRR, QFX5K/10K, EX, ACX
Alert Description:
Junos Software Service Release version 17.1R2-S12 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 17.1R2-S12 is now available.

17.1R2-S12 - List of Fixed issues
PR Number Synopsis Category: mc-ae interface
1447693 The l2ald might fail to update composite NH
Product-Group=junos
This is a timing issue where the l2ald receive underlay NH from rpd as part of LSI IFF ADD (VPLS core NH) and creates flood NH. Due to a flap at local IFL or core (VPLS etc.), the l2ald receives multiple LSI IFF Add and Delete in some order. In some sequence where rpd delete underlay NH from Kernel Forwarding table but the l2ald still create flood NH with this underlay NH, because IFF delete is yet to be received at the l2ald, so l2ald might fail to update Composite NH. This is generic L2 issue and can happen without mc-ae.
PR Number Synopsis Category: KRT Queue issues within RPD
1294957 The rpd might crash after interface or BGP flapping
Product-Group=junos
When interface flaps or BGP session flaps, the system will receive a response from kernel for a generic next-hop object. After the response is received for the current child object, all parent objects are walked. In some situations, the parent object may also be of type generic next-hop and may also be waiting for a kernel response. If both the parent and the child object are being programmed to kernel simultaneously, an rpd crash will occur.
 
Modification History:
First publication 2020-03-19
 
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