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Actual Connection Admission Control (CAC) realization inside the resource reservation protocol - traffic engineering extension (RSVP-TE) in Multiprotocol Label Switching (MPLS-TE) networks does not provide the ability of effective decision making. The actual threshold CAC lacks the capability of taking into the consideration possible application QoS requirements and network QoS potentialities. This makes the impossible to effectively control end-to-end QoS in a fully dynamic, application driven Label Switched Path (LSP) setup scenario. Instant paper presents the results of the practical MPLS-TE realization, with fuzzy-CAC driven RSVP-TE agent. Fuzzy-CAC is applied to a testbed where a client application requests a real-time data transfer through the MPLS-TE test network, which results in selective LSP setup. The differentiated traffic flow treatment is realized while using IF-THEN knowledge rule base. The results for best and worst case scenarios are presented.