We recently received an upgrade to our Cisco DPC3939B Modem that we have through Comcast. After the upgrade we are experiencing flapping and latency with our circuit (see image).
DOCSIS Software Version: dpc3939b-v303r20421911-181127a-CMCST
It seems on 1/31/19 that our gateway was rebooted (not by Comcast) and our software was updated to the following which corrected the issue.
DOCSIS Software Version: dpc3939b-v303r20421762-180419a-CMCST
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