Symptom

ASA/FTD may observe low free memory due to SNMP. From the output of 'show memory detailed' the 72 byte binsize can be observed to have a large amount of allocations/memory used: fragment size count total (bytes) (bytes) ---------------- ---------- -------------- 56 37 2072 72 35914522 2585845584 <<<

Conditions

SNMP configured and RAVPN related OIDs being polled.

Workaround

Disable 1.3.6.1.4.1.9.9.392.1.3.22 and 1.3.6.1.4.1.9.9.392.1.3.21 in a monitoring software so that a firewall is no being polled for these OIDs.

Further Problem Description