Support Support Downloads Knowledge Base Juniper Support Portal Community

Knowledge Base

Search our Knowledge Base sites to find answers to your questions.

Ask All Knowledge Base Sites All Knowledge Base Sites JunosE Defect (KA)Knowledge BaseSecurity AdvisoriesTechnical BulletinsTechnotes Sign in to display secure content and recently viewed articles

PR1446556 - firewall forwarding-class causes firewall process (dfwd) to restart unexpectedly



Article ID: TSB17649 TECHNICAL_BULLETINS Last Updated: 28 Aug 2020Version: 5.0
Alert Type:
PSN - Product Support Notification
Product Affected:
ACX2200 MX80 MX104
Alert Description:

Due to a software defect introduced by PR1432397. When you configure a firewall with the forwarding-class feature on ACX2200, MX80, or MX104, this causes the "firewall process" - "dfwd" -  to restart unexpectedly. The result is no firewall is installed on the PFE. If you are using a firewall with "forwarding-class" on ACX2200, MX80, or MX104, do not upgrade to the following JUNOS software versions:

  • 17.3R3-S5, or 17.3R3-S6
  • ‚Äč18.1R3-S6 18.1R3-S7
  • 18.2R3, 18.2R3-S1
  • 18.4R2, 18.4R2-S1
  • 19.2R1
This issue is tracked via PR1446556.  Please check PR1446556 for detailed information.
As of 2020-06-01, the following Junos software versions have incorporated the fix:
  • junos:17.3R3-S7 or later
  • junos:17.4R3 or later
  • junos:18.1R3-S8 or later
  • junos:18.2R3-S2 or later
  • junos:18.3R3 or later
  • junos:18.4R2-S2 or later
  • junos:18.4R3 or later
  • junos:19.1R2 or later
  • junos:19.2R2 or later
  • junos:19.3R1 or later
  • junos:19.4R1 or later
  • junos:20.1R1 or later
Modification History:
Post to public on 2020-06-30
Comment on this article > Affected Products Browse the Knowledge Base for more articles related to these product categories. Select a category to begin.

Getting Up and Running with Junos

Getting Up and Running with Junos Security Alerts and Vulnerabilities Product Alerts and Software Release Notices Problem Report (PR) Search Tool EOL Notices and Bulletins JTAC User Guide Customer Care User Guide Pathfinder SRX High Availability Configurator SRX VPN Configurator Training Courses and Videos End User Licence Agreement Global Search