I just recently upgraded to the Xfinity Blast internet package, with an advertised rate of 50 mbps download in my area. They sent me a ARRIS TG862 modem (Docsis 3.0) to go with the new speed package. I was previously using a Motorola SB5120 modem (Docsis 2.0) with Xfinity Performance internet package, and seeing Speedtest speeds on average of 25 mbps Down, 2.5 mbps Up.
When I ran my first speedtest with the new, "faster" package and new modem...I was shocked @ the results: http://www.speedtest.net/my-result/2885392876 A measly 6.87 mbps Down and a decent 4.80 mbps Up. I called tech support and after an hour of resetting the modem, sending signals, and having me run probably 20 speedtests, I never saw any improvement in the download speeds, so they scheduled a tech to come out tomorrow.
I further took it upon myself to run a ShaperProbe to see what it had to say, with this result:
Estimating capacity:
Upstream: 4762 Kbps.
Downstream: 93749 Kbps.
The measurement will take up to 3.0 minutes. Please wait.
Checking for traffic shapers:
Upstream: Burst size: 477-504 KB;
Shaping rate: 3920 Kbps.
Downstream: Burst size: 5554-6719 KB;
Shaping rate: 48981 Kbps.
Additionally, while downloading League of Legends on the new connection, I observed an average download rate of 300-400 KBps, when previously I was seeing 1500-2000 KBps with the older modem and slower package.
Anyone have any ideas on why Speedtest is displaying such a low download rate, and why my actual download speeds are also much lower than advertised? How do the ShaperProbe results play into it all?
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