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

Forum Discussion

dragonflymr's avatar
dragonflymr
Icon for Cirrostratus rankCirrostratus
May 19, 2015

virtual command and reselecting

Hi,   I tried to figure it out but it is to complicated considering my knowledge of iRules.   Scenario:   VS that based on URI is directing traffic to different VSs using virtual command I...
application delivery
design
devops
irules
LTM
performance
afedden_1985's avatar
afedden_1985
Icon for Cirrus rankCirrus
May 19, 2015

It sounds like the front end vip is not using oneconnect? If you using an irule to make layer 7 pool or virtual decisions then you need to have oneconenct enabled on the front end vip, or use the detach command in the irule so you can make a layer 7 decision for every get in the same http connection. https://devcentral.f5.com/wiki/iRules.LB__detach.ashx without oneconnect or a detach command in the irule every request in the http1.1 session will go to the same pool

 

  • dragonflymr's avatar
    dragonflymr
    Icon for Cirrostratus rankCirrostratus
    May 19, 2015
    Well, probably I should use OneConnect (will test it). Right now I figured out how and where to place LB::detach. Will post cleaned iRule later on - maybe will be useful for someone else :-) Piotr