Service Experience... I contracted Comcast in late Jul26 for internet service and after having never found a line into the COAX house panel for my self-install, after some hours on the phone and with a useless "AI Assistant," an outside guy pulled another line. This is all because of observations HERE. The alert he'd be coming was one day after arrival ~ Kala was surprised. I returned to COS and hooked up the XB10 modem they'd sent and I got nothing ~ activation is only possible via an app on a phone (what?) and my LEDs just flashed no signal. I called and worked through the AI chat bot again and ultimately landed a HUMAN chatter. In an additional hour I was able to convince her that I needed a tech call ~ so we scheduled it 3 days out. I was bombarded with confirmations and obligations for the dispatch (who had to be where, etc). Despite confirming texts on the day of and time of the appointment - NO ONE FROM XFINITY SHOWED ALL DAY but howdy I was here all day - Kala reminded me why I dumped them last time. After another two days of negotiating with AI bots, one's only inbound choice, finally a human intervened and my situation (and angst) were seemingly comprehended; another physical tech appointment was established 3 days out. He arrived and we tussled as it was quickly determined I had no signal at the house termination ~ the prior call pulled new COAX and terminated on my side but did not connect it to the Xfinity pedestal. Why not and why didn't Comcast know the finish status of the job and their physical plant? I am flabbergasted that my account records with parse-able chat records and diags from central do not yield understanding or progress at anticipated pace. Each tech is fine but the integrated system of service is bad. Ugh. So back to today's tech call: he arrived on time with the right tester and connected my run to the pedestal ~ we have signal! He eliminated all of my diplexers (combiners-dividers allowing over-the-air (OTA) UHF/VHF and lower frequencies to co-exist on the same coax); this is fair enough for a clean test of Xfinity's ATM/QAM service for broadband. My XB10 from Comcast still would not connect! He replaced the modem down to an XB8 version which finally connected inside the house! Though... there were exchanges about the efficacy of many moves as we sorted our way through the house and it's COAX connectivity. So, without diplexer capabiltiy I now have an new high bandwidth broadband internet connection but "no" OTA connections for my TVs to receive the six key OTA HD signals from Cheyenne Mtn. Hmmm. There were many attempts to have me expose my internal WiFi or network to the tech's app but in the end, to close the job, I said I would complete activation. Too, at this point of even exposing my name to Xfinity, my cell spam and text spam has increased ~10X today; they specifically are telling me how great they are; selling my vibe are ya babe? Suitably completing the circle ~ it is impossible to supply righteous feedback to Xfinity ~ dark patters lead to obtuse no-wheres... good for you fucknuts. I'm online now but seek to escalate my concerns and alter my net to reduce your intrusions. Why do I need to feel this way; why do I need to change out after moments under service? Golly you are abhorrent in so many ways.
Network Reconfiguration... After dismissing the technician via talks with his supervisor (he was fine and got it working) I ultimately reconfigured the internal COAX and Cat5E networks. Unfortunately we do not have a modern wiring closet for either COAX routing, and the only Cat5E runs that exist are stuff I installed after the fact. I only have 2 COAX runs from the exterior box to other primary "TV spots" @ Blodgett, the Fam Rm and the Theater Rm. My Ethernet runs only from the lower level office to my upper study and from the lower level office to the Blodgett Theater. After a dive on reliable circuits for diplexing VHF/UHF (30MHz-3GHz) with DOCSIS 3.1 (54MHz-204MHz), either expense or interference got in the way. So, I segregated the COAX net with one end getting Xfinity and one end getting OTA. But dang it... there is no location @ Blodgett here I can get both a great Cat5e connection AND the OTA COAX connection (without diplexing) ~ and frankly this is key for my use of HomeRun receivers converting OTA (COAX) to Ethernet streams for my Plex server to consume and create live streams for remote use efficiently, or for my DIY HDR. I could blow through a concrete wall but I don't wanna.
Wrangling Xfinity... My un-diplexed network is "up" with one TV area getting OTA and the other getting Xfinity. Sure, wireless is available everywhere and I updated the Blodgett AP to WiFi 6E so there are not a lot of sacrifices at the end of the day. My best and most secure net design separated the Xfinity gateway from my in-home WiFi. I shut down the all the radios on the "gateway" ~ though I need to confirm this a wireless RF analyzer yet. If one doesn't carefully unsubscribe from Xfinity hot spots and eliminate all your personal WiFi networks as well, Xfinity will know "all" and sell that data to brokers. I'm aghast I let Xfinity be DHCP server for my entire network, despite the separation of gateway and wireless AP duties. They probably do network discovery algos as well, and sell this information - I know they will parse every unencrypted DNS ask unless I hide it, or search if they can get it anyway... I am just sad where privacy and "net neutrality" has degraded toward. More importantly at this point is security, and I think I am on decent footing. I may yet replace AP firmware, or "de-router" the Xfinity modem. This may be only V1 of my net redesign as I can imagine moving routing as well to the current "AP" and replacing Xfinity with a 3rd party DOCSIS 3.1 modem, while the router/AP becomes open source firmware. I can't imagine the unwashed getting any of these things right.
Performance Assessment... I've not done a stress test over time on the Xfinity infrastructure. Results in Wildernest showed big congestion issues there. But here are the before on Century Link, the after on Xfinity on my WiFi6 AP, and after wired on a 1Gbps link on Xfinity performance characteristics of the new net @ Blodgett. Bandwidth is vastly improved and latency is substantially weaker... latency REALLY counts and is noticeable... I lost 50% in response time in adopting Xfinity (for now). Big pipes are fine but most initiated access (a new page) to the net is slower by 50%!
I cloned my prior WiFi characteristics/IDs when setting the new kit. That is for convenience. Perhaps I also should reset/change all that too. Hmmm.





























