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

Forum Discussion

InquisitiveMai's avatar
InquisitiveMai
Icon for Cirrostratus rankCirrostratus
Mar 25, 2026
Solved

Route Domains

I see a very old post on how secure route domains are  How safe are route domains? | DevCentral   I want to understand in this kind of deployment should we be aware of any issues or is it a good i...
application delivery
design
  • Paulius's avatar
    Paulius
    Mar 26, 2026

    We have used route domains for many customers at an MSP that I worked for and it always ended up being more of an issue for the customer in the long run. I recommend against using route domains if you can avoid it.

Juergen_Mang's avatar
Juergen_Mang
Icon for MVP rankMVP
Mar 25, 2026

My answer is simple: Do not use it if you can avoid it. Different F5 Clusters for different zones is usually the best design. Many designs with Route Domains do not require it really because of the "Auto Last Hop" feature enabled by default.