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user_3e9592
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2 Messages

Friday, March 31st, 2023 11:39 PM

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Upgraded now speeds are slower

I upgraded from 800 to 1000 mpbs and my speeds dropped to around 600 before when I had 800 I got 800 then I upgraded to 1200 and there is no change still getting 600 to 700 max. My modem is good for 2500 and wifi is also cable of that.

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2 years ago

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zandor60657

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204 Messages

2 years ago

What router do you have?  A buggy or overloaded router could cause that.  Suppose you have an older or cheaper router that can only handle 800 or 900.  When your Internet connection goes over that the router starts dropping packets.  Now you're wasting bandwidth on resend requests.  My router actually has this sort of problem, though it's a bit more complicated.  It has a bug and exhibits degraded performance when Interent speed exceeds local LAN/WiFi speed.  I have a 1200/35 plan and it runs at full speed (1400/40) on machines that have 2.5Gb or faster cabled ethernet, but I only get about 800 on gigabit and 600 on WiFi.  It's a known router bug in my case, and it doesn't bother me too much since I mostly use wired connections faster than 1Gb.

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user_3e9592

Visitor

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2 Messages

2 years ago

I have a Motorola DOCSIS 3.1 cable modem model MB8611 WIFI running the new Google mesh Pro. 

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XfinityEricB

Official Employee

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2.1K Messages

Hello @user_3e9592, and thank you for reaching out about your speed issue. We would be happy to assist you with getting the speed you expect. 

Can you send us a private message with your full name, name of account holder (if different), and service address?

To send a "Direct Message" to Xfinity Support:

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- As you are typing a drop-down list appears. Select "Xfinity Support" from that list

- An "Xfinity Support" graphic replaces the "To:" line

Type your message in the text area near the bottom of the window

Press Enter to send it

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2 years ago

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