Bug ID 511019: CGNAT: With small lsn-pool port range and default cmp-hash, translation failures may occur

Last Modified: Dec 07, 2023

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

Opened: Mar 06, 2015

Severity: 3-Major

Symptoms

Translation failures occur sporadically even if not all the ports have been used.

Impact

Subscriber connections will fail sporadically even if not all the ports have been used.

Conditions

-- The cmp-hash on ingress and egress vlans is default. -- The lsn-pool has a small number of ports, for example, less than 100.

Workaround

Increase available ports to the lsn-pool.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips