Service dropouts with MB8600

Hi there,

I am getting intermittent internet service dropouts.

After restring my modem (MB8600) and log in I get the following error messages:

in addition, here are screenshots of the connection tab:

Contacted Xfinity chat and was told I need to create a post first before they can help me...

I appreciate your feedback and help.

Thanks.

PS: Service is 1Gb in case its relevant.