Bug ID 2077525: Incomplete or missing IP Intelligence databases result in connection reset, high TMM CPU usage and/or TMM crash

Last Modified: Oct 16, 2025

Affected Product(s):
BIG-IP AFM(all modules)

Known Affected Versions:
16.1.6, 17.1.3, 17.5.1, 17.5.1.2, 17.5.1.3

Opened: Sep 24, 2025

Severity: 3-Major

Symptoms

Both of the following messages are frequently (several times per second) logged to /var/log/tmm*: <13> Sep 24 09:55:01 bigip1 notice Failed to open /var/IpRep/F5IpRep.dat <13> Sep 24 09:55:01 bigip1 notice Failed to open /var/IpRep/F5IpV6Rep.dat Possible tmm SIGABRT

Impact

A frequent log message might slow TMM. This might result in TMM missing a heartbeat, which will trigger a tmm SIGABRT. Traffic is interrupted while TMM generates a core file and restarts.

Conditions

ip-intelligence is configured, and both IP intelligence databases are missing.

Workaround

Unconfigure ip-intelligence or ensure that the ip-intelligence databases are available.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips