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

Forum Discussion

RichardGamboa92's avatar
RichardGamboa92
Icon for Nimbostratus rankNimbostratus
Jan 12, 2020

Some virtual servers are not working after failover, all network configuration are identically on both devices.

I am preparing for 301a exam and i had this question. An LTM specialit is troubleshooting an issue afger a failover occurs. Some virtual servers are not working after failover and others works good,...
application delivery
LTM
RichardGamboa92's avatar
RichardGamboa92
Icon for Nimbostratus rankNimbostratus
Jan 13, 2020

Hi Nut, THnk you for your help, I checked the link and i had only obne doubt, we can not disable ARP caching on F5 device right? the only thing that we can do is CLEAR the arp cache, am i right?

  • NUT2889's avatar
    NUT2889
    Icon for Cirrostratus rankCirrostratus
    Jan 13, 2020

    Hi,

     

    I know the answer but i suggest you to read about F5 fail-over machanism by include device service clustering and traffic-group conceptual. If you understand the conceptual it will help you to know the answer.