Bug ID 1205509: Region cache fails to update appropriately after referenced region update

Last Modified: Oct 04, 2024

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

Known Affected Versions:
14.1.5.2, 14.1.5.3, 14.1.5.4, 14.1.5.6, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 15.1.10.5, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 17.0.0.1, 17.0.0.2

Opened: Dec 06, 2022

Severity: 3-Major

Symptoms

GSLB region object containing records which reference other GSLB regions fail to update its cache when the regions referenced by its records are updated.

Impact

DNS query resolution fails to return correct results.

Conditions

- GSLB region object containing records which reference other GSLB regions. - Region cache was not updated correctly after referenced region updates.

Workaround

Instead of creating two regions for "not regions", use one region and create following topology record: gtm topology ldns: not region /Common/_usr_gslbRegion_internalNet server: pool /Common/_usr_gslbPool_alpha { order 2 } gtm topology ldns: not region /Common/_usr_gslbRegion_internalNet server: pool /Common/_usr_gslbPool_bravo { order 1 ... }

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips