Wired network on eversolo DMP A8

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I find that the wired network connected to my eversolo DMP A8 running firmware version 1.3.30 does not connect at time when starting up eversolo requiring a restart for it to connect. The network cable is of good quality and the lights are on at the network port but why this intermittent issue is something I fail to understand.
Alternate is to use 5Ghz WiFi since my router is well within range. Anyone experience the same ?