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

Forum Discussion

ScottC_375222's avatar
ScottC_375222
Icon for Nimbostratus rankNimbostratus
Oct 23, 2018

Virtual servers unresponsive at times

Hi- We have a pair of F5 BIG-IP i2600s running in Active/Passive failover. We have around 40 virtual servers running on our appliance. Within the past month, 2 of the Virtual Servers hit a point wher...
application delivery
LTM
AlanMoen's avatar
AlanMoen
Icon for Cirrus rankCirrus
Nov 05, 2018

IP Address conflict? Check the /var/log/ltm log to see if there's any info there when your VIPs stop responding. I'm guessing that disabling/re-enabling the VIPs generates an ARP which would overcome the conflict until the other device sends an ARP taking them back.