Operational Defect Database
BugZero found this defect 1068 days ago.
Data sources
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F5 | 1006449
The default size of the subagent object cache may lead to slow SNMP response time and high mcpd CPU use
Last update date:
5/2/2024
Affected products:
BIG-IP
BIG-IP Install/Upgrade
BIG-IP TMOS
Affected releases:
15.1.0
15.1.0.1
15.1.0.2
15.1.0.3
15.1.0.4
15.1.0.5
15.1.1
15.1.2
15.1.2.1
15.1.3
15.1.3.1
15.1.4
Fixed releases:
No fixed releases provided.
Description:
Bug ID 1006449: The default size of the subagent object cache may lead to slow SNMP response time and high mcpd CPU use ... Last Modified: May 02, 2024 ... Affected Product(s): ... Symptoms ... After upgrading from a 13.1.x release to a later release (such as 15.1.x), BIG-IP CPU utilization increases and SNMP is slow to respond. ... Impact ... SNMP queries take an unusually long time to return data, and BIG-IP CPU utilization is higher. ... Conditions ... SNMP client repeatedly polls BIG-IP for OIDs in multiple tables over a short period of time. ... Workaround ... To the file /config/snmp/bigipTrafficMgmt.conf, add one line with the following content: cacheObj 16 This could be accomplished by executing the following command line from bash: # echo "cacheObj 16" >> /config/snmp/bigipTrafficMgmt.conf After the above config file has been modified and saved, the "snmpd" daemon must be restarted, using one of two command variants: (on a BIG-IP appliance or VE system) # bigstart restart s...
