"Six questions":
quote:1) Your location: City and State.
Lombard, IL
2) A description of the problem.
Slow speeds every night
3) Is the issue intermittent, constant or does it occur at a specific time of day?
Nightly
4) Your modem make, model & firmware version. How to find firmware version: Access modem
SB6141
5) Describe any home networking if applicable. (i.e. routers, hubs, adapters, etc.)
EA2700 Cisco wireless router
6) List any firewall and/or anti-virus software you have installed. Include what version you have.
Able to repro on multiple machines with differing OS and software builds
So every night my 50mbit downstream turns into about 10mbit. Latest speedtest at 7pm tonight was 12.6 down 11.9 up. Upstream never seems to suffer, just downstream. I didn't notice it earlier 2013 when I first had service installed (new trenched drop from the ped at the street too) I had a rented gateway in bridge mode previously and opened a Comcast support case about the speeds. After managing to get a tech dispatched, he looked at his tablet and said everything was fine and I must be nuts. And by the way, these gateways stink so get your own modem. He also made sure I wasn't charged the truck fee (good on him, because I wasn't paying it anyway considering nothing of -mine- is broken). Anyway I wanted to drop the lease fee anyway so I went with my own modem (SB6141) and it made zero difference in the situation.
What I've done:
Disconnected first splitter in the house, connected modem directly, connected laptop directly to modem. No change in speed. Tried two laptops this way, and a total of 4 machines when through the EA2700, no change. During the day I can get 50mbit+ on the speed tests every time, but in the evening it rapidly degrades.
So before I call back, what else should I be doing? Is there any realistic way to get the fact that it's slow every night conveyed to someone at Comcast that cares/can do something about it instead of dispatching a tech middle of the day to tell me it's fine? My signal definitely isn't pristine but it seems ok I think and per the tech that came it was acceptable...
Downstream QAM256 (x8)
SNR 37-39dB, Pwr 0-2 dBmV
Upstream QPSK/64QAM (x3)
Pwr: 50-51dBmV
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Baka wa shinanakya naoranai
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