To cut a long story short, I determined that the change was either operated from the WAN side, or from malware resident on the router. I set the router to get DNS automatically, rebooted it, but, within minutes, the setting was changed back to the Russian IP (w/o leaving any trace of it in the router's log). The IP was one of a block of numbers assigned to a Russian ISP. As a rule, I either get the DNS automatically from the ISP, or I set it to my ISP's closest server or to Google's well-known IPs. To my surprise, the DNS was set manually to an IP I didn't recognise. In an idle moment (waiting for a remote sync to complete) I had a look over my router's settings (I really don't know why). Why it should have anything to do with multicast I cannot imagine. LDPC is commonly used in transmission of data over noisy channels, and it is included in 802.11n and later. According to one post in a forum it "makes the router report it does not support LDPC error correction".
There is basically no reliable information on what "Optimized for Xbox" does. Checking this option for both the 2.4GHz and 5GHz bands fixed the problem and now MinimServer is back working reliably.Īsus documentation and tech support are below abysmal. Eventually, the setting which restored the situation was Wireless > General > Wireless Mode > Optimized for Xbox. I checked IGMP snooping again, and it was still disabled on all devices. This was only on WiFi - Ethernet devices could see MinimServer and play reliably. MinimServer vanished from the list of servers, while Asset showed only after long delays, and was unable to maintain the connection reliably. It led immediately to massive degradation of DLNA over WiFI, as well as poor performance of AirPlay devices. After disabling IGMP snooping on the switch, MinimServer worked just fine and I've been very happy with its performance.Ī few days ago, for reasons of security, I updated the firmware on the RT-N66U to the latest version (3.0.0.4.380.8120). IGMP snooping was disabled on all devices, except the switch. Initially, there were problems with MinimServer not showing up, or taking a long time to show up, and unable to maintain the connection.
OPTIMIZE ASUS ROUTER PC
The UPnP server is a Win 7 PC running both Assett UPnP and MinimServer. My LAN consists of an Asus RT-N66U router, to which are connected a switch and three other routers in bridge mode functioning as access points. I'm posting this in case it might help someone eventually.
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