Whatever you changed, you are still missing some crucial stuff that all the pieces need to start and talk to each other.? I would suggest setting up qn.cfg for mmdvmhost and changing the parameters with in it (you may need to run qnconfig in expert mode, i.e. ./qnconfig expert to access some of the settings). ?I verified just now on my system that an mmdvmhost module will start without mmdvmhost (qnetgateway starts itself, link and relay). I¡¯m assuming all you really need to change are whatever ports dstarrepeater is listening on, to match, or you could change them in qnconfig to match what you need.
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What parameters exactly did you change? Something¡¯s missing because the pieces aren¡¯t starting.