I just got my new Arris SB8200 from Amazon yesterday. I am having a problem where it just keeps cycling through the downstream, upstream and internet LED indicator lights. I called Comcast twice they both said they don't even see the cable modem connecting to the system. Both times they insisted there was something wrong with the CM and to return it. So I'm doing that just to prove them wrong. I tried a number of things including not plugging in the Ethernet and power cycling the modem manually many times and let it sit for about a hour and a half cycling through. The modem is supported in our area on the Comcast device support page.
I was told in this thread (I am the Anonymous user) (http://www.dslreports.com/forum/r31304106-~time=1489503828?r=151#31304106) that it may be a problem with Cisco CMTS units (much like the Netgear D3.1 CM issues with the CM1000's). I Verified and the CMTS Mac address is indeed Cisco owned. Though I'm not sure what model I am on. There was a mention that someone named "netcool" on these forums has a fix (http://www.dslreports.com/forum/r31303566- & http://www.dslreports.com/forum/r31303256-) (I'll try PMing netcool also). Is there anyway that can be applied in our area also? Or is there a way I can call Comcast and not get level 1 support that can fix this issue?
UPDATE: My issue was resolved by the workaround the user "netcool" applied to my area's CMTS. Latest info is there are plans for a more permanent fix in the works.
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