Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF2
Fixed In:
11.6.0, 11.5.1 HF3, 11.5.0 HF1, 11.4.1 HF4, 11.4.0 HF6
Opened: Jan 23, 2014 Severity: 3-Major Related Article:
K15777
Issuing the command "tmsh show sys conn" when you have over one million connections might cause TMM or MCPD to exhaust its memory and restart.
mcpd restarts. The BIG-IP system will be unavailable for a few minutes. If there is a standby system, the unit will fail over.
Many connections.
To avoid the issue, use a filter with the show sys conn command that reduces the result set to below one million results. You can check the number of connections currently running on the system by issuing the command "tmsh show sys performance conn".
Issuing the command "tmsh show sys connection" when you have over one million connections no longer causes TMM or MCPD to core.