Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP GTM
Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3
Opened: Jan 09, 2015 Severity: 4-Minor
The following features are not supported on non-High-Speed Bridge (HSB) platforms when DNS Rapid Response is used: -- LTM iRules: + Virtual server with iRules configured in an attached DNS profile.+ Execution failure of configured iRules (e.g., for Action Allow). -- Software DoS functionality: + Query may be answered or dropped before SW DoS has a chance to execute. -- All DNS profile options: + DNS Cache. + DNSSEC. + DNS6-4
Some features are not supported when DNS Rapid Response is used due to performance issues.
DNS Rapid Response is used. This occurs on all non-HSB platforms, e.g., VADC (VE). To determine whether a system is an HSM platform, run the Linux command: lspci. The presence of the string 'F5 Networks Ethernet controller' indicates a non_HSB platform.
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