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healthThreshold vserver value not working NS 12.0 60.10

Eric Wiegand

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Should the –healthThreshold parameter set to 60% on a VIP mark the whole VIP down if  only 2/4 (50%) of the servers in a service group are up?

Is that the intended function of that setting?


add lb vserver vip.company.com_443_vs SSL x.x.x.x 443 -persistenceType SOURCEIP -timeout 15 -lbMethod ROUNDROBIN -backupLBMethod LEASTCONNECTION -cltTimeout 180 -healthThreshold 60


Its not working. The VIP stays green when there's 2/4 50% of the servers up.

I'm on netscaler 12.0 60.10


Judging by this: https://docs.citrix.com/en-us/netscaler/12/load-balancing/load-balancing-advanced-settings/configure-auto-state-transition-svc-health.html

My understanding of how it should work is correct.


So is this a bug?


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In the behavior works as you describe/expect, so I would lean towards a bug in the version you are running.


In the top screenshots, I set the healthThreshold parameter to 30 and the vServer stayed in an UP state; in the bottom screenshots, I set the healthThreshold parameter to 40 and as soon as I made that change the vServer was in a DOWN state.


vServer with 3 services bound, 1 of 3 UP (33.3%)



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