Last Modified: Jul 07, 2020
Affected Product:
See more info
BIG-IP TMOS
Known Affected Versions:
13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3, 13.1.3.4, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 15.0.0, 15.0.1, 15.0.1.1, 15.0.1.2, 15.0.1.3, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4
Opened: Jun 26, 2019
Severity: 3-Major
It is possible with large configurations to make SNMP requests that require a lot of processing to gather the statistics needed to respond to the request.
SNMP clients might think the BIG-IP system has become unresponsive.
With large configurations, it is possible to overburden MCPD and SNMPD such that client queries time out.
If the responses to SNMP queries are taking too long, MCPD and SNMPD may overburden the control plane. It may be necessary to lengthen the timeout and retry values used by the SNMP client. It may also be helpful to trim what is queried, for example, not repetitively walking large tables like the Virtual Server or LTM Pool Member tables for statistics.
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