Bug ID 427107: dnatutil fail to parse ltm log for deterministic NAT snippet when lsn_pool name is too long

Last Modified: Apr 28, 2025

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

Known Affected Versions:
11.3.0, 11.4.0

Fixed In:
11.5.0

Opened: Aug 05, 2013

Severity: 3-Major

Related Article: K14726

Symptoms

dnatutil fails reverse mapping using ltm log.

Impact

dnatutil reverse mapping

Conditions

LSN Pool name longer than 20 characters

Workaround

1) Restrict LSN Pool's name to be 20 characters or less. 2) Copy out deterministic NAT LTM log snippet and manually add the missing information (min/max/why). Use dnatutil --file option on the edit file.

Fix Information

deterministic NAT LTM logged configuration snippets will no longer truncate needed information when LSN Pool name is longer than 20 characters.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips