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

Forum Discussion

amit_128525's avatar
amit_128525
Icon for Nimbostratus rankNimbostratus
Dec 29, 2013

Self ip vs floating ip

Was just trying to understand difference between self n floating IP address as in our environment we have 2 6900 f5 in active active pair And we have both self n floating ip configured for each Vlan...
Thomas_Gobet_91's avatar
Thomas_Gobet_91
Icon for Cirrostratus rankCirrostratus
Dec 29, 2013

Hi,

 

Self IP are used for each device. Each BIG-IP has a self-IP in a VLAN which is the IP defined on the interface.

 

Floating IP are for a cluster. They are VIPs, and this is the IP shared by your cluster members.

 

  • Chung_Do_205917's avatar
    Chung_Do_205917
    Icon for Nimbostratus rankNimbostratus
    Dec 06, 2015
    Why do we need two IP for this task? Is it possible to just use the Floating IP for each device and for Fail over function? thanks.