Got it, it was realy a Spanningtree problem ... sorry for that, but was realy not easy to find ... system setting was "off" but on the port it was "on" and it seems that this firmware on that switch ignores the "global" setting [[:)]] maybe they should make beta tests on there firmware too [[:)]]
Got it, it was realy a Spanningtree problem ... sorry for that, but was realy not easy to find ... system setting was "off" but on the port it was "on" and it seems that this firmware on that switch ignores the "global" setting [[:)]] maybe they should make beta tests on there firmware too [[:)]]