Bug ID 513454: An snmpwalk with a large configuration can take too long, causing snmpd or mcpd restarts

Last Modified: Oct 01, 2018

Bug Tracker

Affected Product:  See more info
BIG-IP All(all modules)

Known Affected Versions:
11.2.1, 11.4.1, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5

Fixed In:
12.0.0, 11.6.0 HF6, 11.5.3 HF2, 11.4.1 HF10, 11.2.1 HF15

Opened: Mar 19, 2015
Severity: 2-Critical

Symptoms

The snmpwalk will fail and the mcpd daemon could be restarted.

Impact

Failure to read SNMP data, mcpd restart and temporary loss of service.

Conditions

The configuration must be large so that the number of configured items related to the snmpwalk are in the tens of thousands.

Workaround

Spread the configuration among more BIG-IPs or avoid running snmpwalks.

Fix Information

Cache internal query data to optimize statistical queries.

Behavior Change