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Forum Discussion
Comcast C7100V hanging/crashing
Yesterday morning I discovered my C7100V cable modem router was hung: no lights flashing, all connections failing with "no connection possible to that service." Rebooted and discovered that this si...
Further details, in case anyone cares:
Comcast has issued MULTIPLE network resets to "clear up the problem." No impact on the issue.
Comcast has REPEATEDLY updated the network profile/configu to "clear up the problem." No impact on the issue.
Comcast continues to insist that all signal strengths, channel locks, etc are fine, and there's nothing wrong that they can see.
I have been told repeatedly that they did NOT update the software (again: V 2.01.42 ) at any recent time corresponding to the start of the issue, and that "no one else has reported problems." Which is not the case, as a search of this forum for "C7100V 2.01.42" shows at least a half dozen similar issues reported, all in the last half year.
Anyhow, enabling ANY guest WiFi service, with or without authentication/security, on any radio channel, with or without AP broadcast, and whether or not any clients attempt to connect to it will cause the C7100V to hang within seconds to minutes, and not recover for minutes to tens of minutes. Even with just the factory-default WiFi configuration, service is flakey during normal home use, with seconds-long service outages, connection fails, etc. Ditto for connection via wired Ethernet.
And if anyone tells me that a marginal cable RF level (which Comcast says I do NOT have) can cause the entire unit to hang, my response will be "and why would ANYONE design a router to behave like that?" and immediately ask for a RMA for the (now two) "failing" units I have in hand.
