Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

e0013192's avatar
e0013192
Icon for Altostratus rankAltostratus
Jul 11, 2019

LTM persistent connection affecting DNS flip between datacenters

We are in the process to evaluating Big-IP DNS between our two data centers but we right now performing a manual flip using specific monitors to control the flip. Our application uses a web tier (F5...
application delivery
big-ip
BIG-IP DNS
Vijay_E's avatar
Vijay_E
Icon for Cirrus rankCirrus
Jul 18, 2019

Have you looked into K15594 ? Tweaking some of the variable values would be helpful.

  • e0013192's avatar
    e0013192
    Icon for Altostratus rankAltostratus
    Jul 19, 2019
    The article is related to persistent DNS connections. Our issue is not related to persistent DNS connections its related to the persistent connections within the application. We are not configured to use DNS persistence. * Upcoming Vacation – 7/22 – 7/26 Sharon Day Black Knight Inc, Network Architecture Office: (904) 854-3477 Mobile: (904) 210-1677 Email: Sharon.Day@bkfs.com