Bug ID 1040153: Topology region returns narrowest scope netmask without matching

Last Modified: May 22, 2023

Affected Product(s):
BIG-IP DNS, GTM(all modules)

Known Affected Versions:
15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4

Opened: Aug 11, 2021

Severity: 3-Major

Symptoms

BIG-IP returns malformed packets or the narrowest scope not matching the request.

Impact

Malformed packets.

Conditions

Mixed sub networks with different mask length.

Workaround

Do not put mixed subnets in one region.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips