Yes, connection is dropped both on wireless/wired machines.. My ISP told me, that everything is ok.

Model : TD-W9970B Hardware Version : Firmware Version : 0.9.1 0.2 v0026.0 Build 160413 Rel.41580n ISP : T-Mobile CZ Hello, I have a problem with my vDSL connection. Every +-40 minutes my router lost...