I've got an Arris TG862G/CT gateway with performance 25/5 plan. Actual speed 30/6 with no connection problems. I've been on Comcast for 2 months and haven't disconnected my DSL ( the wife needs a reliable connection for work) and have been monitoring the gateway connection stats periodically for stability before I give ATT the boot. About a week ago my modem got a software change/upgrade indicated in the event log (it took a power cycle to regain the full gateway web interface capability) and an ip change from 24.98.25.xxx to 76.97.243.xxx. Along with it the upstream power levels went from a constant 51.0 to as high as 54.75 dBmV. That is outside the recommended range and the TG862G/CT spec of 54.0. There have been no changes to my cable tv wiring or extreme weather along the way only ip address and gateway software.
Is it possible that the Comcast network change caused my high upstream power levels? Since I'm an admitted cable rookie, any suggestions on how to proceed are appreciated.
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