Recently I noticed that my Denon AV Receiver (E400) would lose it's network connected (Ethernet) when streaming music (internet radio, Pandora, and Apple AIrplay from my Laptop). Verizon remotely checked the network and everythign seems to be fine. I am going to try to give all the specifics. The last time I remembered it work flawlessly was before I upgraded to Quantum TV with new router earlier this year. Prior to Quantum TV router upgrade it was the original router that comes with Fios. Originally the Denon AVR was connected to the network using an Apple Airport Express, connecting wirelessly to the network. When the dropouts started happening I connected it via ethernet. Same issue. After about a minute or two, it would lose connection. At that point I was creating my wireless network with Apple Airport Extreme (Verizon Wireless disabled). Reset router, reset wireless. Issue still happening. Ordered new FiOS Quantum Gateway Router. Created wireless network using Gateway router and disabled all Apple wireless Airports. Worked briefly, was able to stream music via internet radio for about 11 hrs or so. Then issue happens again. Thought it may be the Denon AVR at that point. Reset it back to factory spec and reset it's network card. Issue still happening. Frustrated I went out and bought a new receiver, Yamaha RX-A740 which has both wired and wifi built in. Issue still happening via it's wireless and ethernet connection. Also have to note that the network dropout occurs on both receivers when I stream music using Apple Airplay via my laptop. I have an Apple TV connected to the receiver and I am able to play internet radio and iTunes Radio without network losing connection but that is connecting to the network using it's own wireless. Verizon Tech support is at a loss because remotely the network is fine. They said they would charge for a tech to come out because it seems like a 3rd party (receiver issue). Of course it is happening with old and brand new receiver. I have called Denon support and they suggested setting firewall to accept inbound and outbound requests. Verizon disagreed with that. Denon support also suggested opening ports but one Verizon tech I spoke to said that it shouldn't matter because opening ports would be similar to remotely checking a webcam or accessing a device on your network remotely. Haven't tried Yamaha support yet. I am at a loss and I know this has worked before. Anybody have any suggestions? Let me know if you need any more information.
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