USG110 - permanent CPU usage of about 30%
Hi,
Is it a normal behaviour that the CPU usage is nearly constant arround 30 to 40 %, irrespective whether its day time or night time, working time or after office hours? I see this CPU usage it in the daily report diagram since we have purchased the USG years ago. But normally, during e.g. night times, when the number of active sessions is extremly decreasing, the CPU usage should follow, isn't it?
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I see most of time with very little traffic and a few site2site tunnels about 20% CPU on an USG110. On CLI 'debug system ps' shows here 17% CPU used by snmpd.
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SNMP is disabled with us.
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maybe you see another process using CPU with 'debug system ps'
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Just checked the Maintenance > Diagnostic > CPU/Memory Status of the USG. Here the result:The first column at the table shows the CPU utilization percentage for each application. But why the sum of all values within this column doesn't result in 100%?We've got one Zyxel Access Point controlled by the USG. The AP controller has to handle two VLANs assigned to different SSIDs. Does this configuration needs so much CPU time?0
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I did this. See my post above yours. Most probably we posted simultaneously. Thanks.
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Hi @USG_User,
The CPU utilization percentage in the first column of the table are CPU usage for only top N of the result of "debug system ps", not all applications.
Does "Wireless AP Controller" always occupy 30% of CPU usage after office hours?
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Hi Emily,Yes, I think so, the wireless AP controller with one WAC6103D-I connected, occupies always 30% CPU. I will countercheck this this evening by remote access. But since the controller takes 30% CPU irrespective of whether 15 persons are in the office or only 5 (with their smartphones connected), I guess this value will not be decreased during after office hours.0
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Hi Emily,No, unfortunately also at night the AP controller occupies permanently about 30% CPU time. Do you know any scenarios/configurations where this could be happen?0
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