Visitor
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7 Messages
I am not receiving my full plan bandwidth.
I am a subscriber of the Gigabit x2 Plan, which advertises "Download speeds: up to 2100 Mbps". My modem is in bridge mode, connected to a Nighthawk RS600 router. This router has a 10 Gbps WAN port. It also has the capability of running a speed test directly on the router itself.
According to the speed tests I run on my router, I am seeing around 930 Mbps download. That is less than half of what is advertised.
I tried to talk to the bot about this, but it did not understand that I was running the speed test on the router itself and thus did not need to troubleshoot the "device" attached to the router.
Please, help me determine what the problem is. Is there a need to install an amplifier or a filter in my building? I don't know anything about ISP coaxial stuff, but I've had cable modem speed problems resolved by technicians in those ways in the past.
I want to find out if that speed is simply not available at my location. If there's no way I am going to get close to 2100 Mbps, I want to change my plan so I am not paying for something that I am not getting.
Accepted Solution
BruceW
Gold Problem Solver
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27K Messages
29 days ago
If the "modem" is an Xfinity gateway, are you using the gateway's 2.5 Gb port (red dot or stripe)? The other 3 ports are only 1 Gb and will only run at 940 Mb or so.
(When posting problems with connectivity, it's a really good idea to list the model numbers of ALL the devices in use!)
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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user_o5cqhm
Visitor
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7 Messages
28 days ago
Yes, the cable modem is an Xfinity Gateway, an XB8-T
Why the quotes around "modem"? That's what it is -- a cable modem that I'm using for my cable internet. Are you an Xfinity rep? I am trying to get support from Xfinity.
(note: your signature is confusing. I'm not sure if you're getting a notification for this -- this is a comment on my post. Will it be threaded after yours? Does that signature apply only to your own posts?)
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user_o5cqhm
Visitor
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7 Messages
28 days ago
@BruceW You *did* resolve my problem though! In my bafflement at your quotes around "modem", I forgot to check the speed. Thanks so much, human! The bot was useless.
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strega7
Contributor
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477 Messages
28 days ago
I think the quotes are hinting at: If it was just a modem you wouldn’t have to put it into bridge mode to act as just a modem.
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BruceW
Gold Problem Solver
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27K Messages
28 days ago
Devices that are straight cable modems exist, but it's rare these days for Comcast/Xfinity to distribute such devices. The Internet devices they lease combine the functions of a modem, a WiFi router, and an eMTA (for phone service). Such all-in-one devices are called "gateways". When I'm troubleshooting I need to know the sort of equipment I'm working with. Model numbers are good because they bypass any confusion over device terminology. "XB8-T" lets me know exactly what device the question is about.
I realize that my signature is confusing, but I haven't been able to think of a compact way to tell posters that, if they use Reply to respond to one of my posts, I receive no notification of the Reply and so may not know that it exists. Sorry! Suggestions welcome! :-)
Edit: typo
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