Last Modified: Jul 12, 2023
Affected Product(s):
BIG-IP AFM, CGN
Known Affected Versions:
16.0.1, 15.1.2, 15.1.1, 14.1.3.1
Fixed In:
16.1.0, 16.0.1.1, 15.1.3, 14.1.4
Opened: Nov 23, 2020 Severity: 3-Major
NAT translation fails
Traffic failure, performance degraded
-- VIPRION multi-blade chassis -- Configure AFM NAT/CGNAT and attach the AFM NAT Policy / lsnpool to the virtual server -- Configure sp-dag on the vlans
Change the DB variable tm.lsn.retries to the maximum value of 4096
Increase the number of attempts in selecting local translation IP (an IP when used makes the return packet to land on the same TMM where the NAT selection is happening). This can be controlled with DB variable tm.lsn.retries. The actual attempts is 16 times the value set in this db variable.