Visitor
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5 Messages
network speed
Recently changed Xfinity plan which is more dependent on streaming for work, entertainment and security system demands. Plan calls for 1200 Mbps but I was only getting about 700-800. A tech was sent out to "troubleshoot" but the apparent instructions to the tech was to swap out my modem. The swap was done without complicating issues but when we testing the speed right after the install the speed actually dropped to ~ 650 Mbps. The tech suggested that since I was still using CAT6 cable that was the reason for slowness. Subsequently I upgraded all connections to CAT8 but still did not see any improvement in speed. Have others experienced this problem and what solutions were put in place to get the faster speeds that are being paid for. Not sure what enhancements I need to ask for and would appreciate assistance.
Accepted Solution
BruceW
Gold Problem Solver
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26.3K Messages
2 years ago
I'm not familiar with the device, but its specs say that it too has only Gigabit ports. https://www.netgear.com/home/wifi/routers/rax43/ says, under "Technical Specifications", "Five (5) 10/100/1000 Mbps Gigabit Ethernet ports (1 WAN & 4 LAN)".
To get a real increase in throughput you'd really need a router with a 2.5 Gbit port.
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S.Lance
1 Message
2 years ago
If you put the Xfinity app on your phone, you can test the actual data speed from Comcast to your modem. This is the raw bandwidth reading, undiluted by whatever may be using your modem at the time.
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BruceW
Gold Problem Solver
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26.3K Messages
2 years ago
Comcast typically adds about 20% to their stated speeds, so 1400 or so looks about right.
That's incorrect. All the Ethernet ports on the R6400 are Gigabit ports, which means the actual top speed they can support is about 940 Mbps. Even if the router could transfer data over Wifi at the claimed 1300 Mbps (it can't, that's an ideal "lab bench" number), it would still be limited to the 940 Mbps speed of the WAN port max.
Please be aware that there are 2 kinds of responses in this Forum: Replies and Comments. When you Comment on a post by scrolling down to "Comment on this post here...", I am notified of your response. But if you select Reply, I am NOT notified and may not be aware of your response.
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