Forum Discussion

boneyard's avatar
boneyard
Icon for MVP rankMVP
Jan 02, 2015

iRule LB_FAILED event when not doing any load balancing

i have the following iRule on a standard virtual server without a default pool, no local traffic policies and no other iRules: when HTTP_REQUEST { log local0. "HTTP_REQUEST" TCP::close retur...
application delivery
design
devops
iRules
lb_failed
LTM
giltjr's avatar
giltjr
Icon for Nimbostratus rankNimbostratus
Jan 02, 2015

Well at a very high level, the only time LB_FAILED should be triggered is when LTM is fails to choose a pool or can't connect to a pool member.

 

Since you have no pool associated with this VS, I would assume that LTM is triggering LB_FAILED, because there is no pool to choose.

 

Ref:

 

https://devcentral.f5.com/wiki/iRules.lb_failed.ashx