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Forum Discussion

surajsah's avatar
surajsah
Icon for Nimbostratus rankNimbostratus
Aug 23, 2017

Performance Graph : Throughput

Hi Team, What is the meaning of "Service" in the throughput graph. I can see the "Bit In" and "Bit out" are overlapping but the "Service" line peaks far higher than IN and Out line during the midnigh...
application delivery
LTM
StephanManthey's avatar
StephanManthey
Icon for Nacreous rankNacreous
Feb 03, 2022

Usually the graphs for "in", "out" and "service" overlap more or less as long as the in/out volume is similar.

Recently we noticed high spikes for "service" traffic on the active unit in a device group where mirroring is enabled for some virtual servers (in PerformanceL4 mode). At the same time we noticed high CPU and problems with some applications handled by the BIG-IP.

So perhaps the "service" traffic includes as well the mirrored traffic. I´m under the impression, that the mirroring failed somehow and caused the CPU and throughput (service) spikes.