Bug ID 717306: Added ability to use Vip-targeting-Vip with DNS Cache server-side connections

Last Modified: Apr 20, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,,,,, 13.1.4,, 13.1.5, 14.0.0,,,,,, 14.0.1,, 14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,, 15.0.0, 15.0.1,,,,

Fixed In:

Opened: Apr 27, 2018
Severity: 2-Critical


A Vip-targeting-vip setup for DNS Cache is not possible, as unbound connections does not match to existing VIPs.


Unable to perform Vip-targeting-Vip configurations with DNS Cache connections


Virtual Server with same IP address as outbound DNS Cache server-side connections.



Fix Information

Added the ability to have DNS Cache server-side connections match to VIPs for VIP-targeting-VIP scenarios with the DB Variable DNSCache.MatchWildcardVip.

Behavior Change