Last Modified: Apr 28, 2026
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
21.0.0.1
Opened: Jan 07, 2026 Severity: 2-Critical
TMUI and TMSH were unreachable/ inaccessible, when monitors are configured at scale. SSH connectivity is also impacted due to the same reason.
Access via tmsh, TMUI, and SSH degrades, resulting in BIG-IP system inaccessibility.
When monitors are configured at scale and active probing is enabled, access via tmsh, TMUI, and SSH degrades, resulting in BIG-IP system inaccessibility.
ARP Cache threshold and NF connection tracking configuration values have been fine tuned to reduce the ARP cache flooding and connection tracking limit.
None