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Can not maintain my speed of 600 mps

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Can not maintain my speed of 600 mps

I have an XB6 from Comcast as well as a netgear 4 port gigabit switch since there are only 2 wired ports on the XB6 Gateway and I have 3 wired devices, 2 computer systems and a Brother Printer.

 

When I restart my gateway and run the xFi speed test I get 700-710 mps d/l. A couple of hours later I get 290-310 mps d/l speed. It doesn't matter what time of day or night, same thing happens.

 

My system has Intel i5 with a SSD main drive, purchased the latest NIC card as the system is 5 yrs old on the hope the built-in NIC on the motherboard was the problem.  It wasn't, still 290-310 speeds.

I have had Comcast Techs as well as the Sr Field Engineer and all connections and lines to the pole are in spec.

 

My wife works from home, so calling comcast tech support durring her work hours is a no go.  This is the 3rd XB6 I have had.  Running Win10 with all the latest updates and Windows Security.

 

I am enclosing a tracert route below:

tracert www.comcast.net

Tracing route to e7010.dscg.akamaiedge.net [2600:1407:5800:8a3::1b62]
over a maximum of 30 hops:

1 1 ms <1 ms <1 ms 2601:7c0:c100:23e0:a656:ccff:fe8a:e0d1
2 7 ms 7 ms 7 ms 2001:558:40a1:4::1
3 7 ms 7 ms 7 ms 2001:558:352:fffa::1
4 9 ms 8 ms 7 ms 2001:558:350:55::2
5 12 ms 8 ms 7 ms ae-3-ar04.huntsville.al.hunts.comcast.net [2001:558:350:5c::1]
6 13 ms 14 ms 13 ms ae-100-ar01.b0atlanta.ga.atlanta.comcast.net [2001:558:140:15::1]
7 * 15 ms * be-33031-cs03.56marietta.ga.ibone.comcast.net [2001:558:3:2d2::1]
8 15 ms 14 ms 13 ms be-1312-cr12.56marietta.ga.ibone.comcast.net [2001:558:3:b6::2]
9 32 ms 32 ms 35 ms be-301-cr11.chicago.il.ibone.comcast.net [2001:558:3:168::2]
10 32 ms 32 ms 32 ms be-1211-cs02.chicago.il.ibone.comcast.net [2001:558:3:105::1]
11 33 ms 32 ms 33 ms be-1212-cr12.chicago.il.ibone.comcast.net [2001:558:3:109::2]
12 * * * Request timed out.
13 35 ms * * be-1113-cs01.350ecermak.il.ibone.comcast.net [2001:558:3:c8::1]
14 31 ms 32 ms 33 ms be-2103-pe03.350ecermak.il.ibone.comcast.net [2001:558:3:144::2]
15 34 ms 35 ms 32 ms 2001:559:0:2e::22
16 33 ms 34 ms 32 ms g2600-1407-5800-08a3-0000-0000-0000-1b62.deploy.static.akamaitechnologies.com [2600:1407:5800:8a3::1b62]

Trace complete.

 

Any thoughts or things I can try?  The speeds are the same on my wife's comupter.

 

Thanks in advance,

Cadman01

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Re: Can not maintain my speed of 600 mps

I have already checked out all the trouble shooting ideas to no availe.

 

Cadman01

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Re: Can not maintain my speed of 600 mps

Rechecked my speed with xFi Speed Test this morning --> 290 mps down! Ugh

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Re: Can not maintain my speed of 600 mps

Tested my speed tonight at 10:00 PM, and now it's 704.4 mps!  What the heck!

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Re: Can not maintain my speed of 600 mps

Sunday 11:17 AM, Tested my speed, and now it's 278 mps!  What the heck!