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Forum Discussion
isaacr77
Aug 28, 2019Tutor
I have problems with my c700v2 and Ex7000 extender
Hello, I have never written in a forum before but I am desperat, I have comcast and we have up to 250mgbs plan. We have around 14 devices and 2 of these are connected to ethernet. alot of the time my internet is really slow and i get around 15-30 mgps when im in my room which is like 20 feet away from the router. When we use the computer which is connected to ethernet sometimes I get a "cant find internet connection" error on chrome and then have to reload the page. I play video games in my room which is why I got the EX7000 extender so i could use ethernet, I was getting good connection with the extender before i got the C700 router, I would get an average of 100mgbs and was happy. The old router was the xfinity XB3 router, I got the c700 in hopes that it would help with our wifi because it can hold more devices (instead of 16 with the XB3 to 24 with C700). Now my Ps4 gets 20mbps and is always lagging. My question is What am i Doing wrong, and what are the best router settings, and extender settings to get good wifi signal. I dont know much about routers and extenders Please help. Thank you.
30 Replies
- plemansGuru - Experienced User
so our first task is to figure out where the problem is coming from, the modem aspect or the routing aspect of the C7000.
If you hardwire a computer into the C7000, What speeds do you get? You state you're paying for the 250mbps plan. Our goal is first to make sure you can get these speeds. I know the C7000 supports up to 400mbps with comcast. do you get hardwired into the C7000? What speeds do you get?
do you have a screen snip from the C7000 connections page? Log into the C7000 and go to the modem connections page and take a screen snip, we want to make sure you're connections are good.
Another thing to check is if comcast (ugg) provisioned the combo device correctly. I've had them send the wrong configuration file before. Its worth having them reprovision it if possible
IF you get full speeds hardwired into the device, then we'll troubleshoot wireless/home network setup. But lets start at the beginning first.
here's the support page with manual. It'll walk you though getting to connections page if you have problems.
- isaacr77Tutor
First of all, thank you for helping. I ran a speetest using ookla and got 76mbps down and 11 mbps upload. When you say modem connections I think on my router its cable connections so i took a screen shot of that. If you need more screenshots I will provide. Do I call or chat support xfinity for a reprovision?
- plemansGuru - Experienced User
that was the screen but take a couple to get both download and upload. Your power levels for download are technically within spec but you have a bunch of errors. Plus from your speedtesting (provided you did it over a hardwired connection) you aren't getting the full speeds you're paying for. Here's where I'd start:
1. remove any splitters, amplifiers, bad connectors from the coas line entering your house. If possible directly connect the C7000v2 at that location. it reduces the chances of a bad cable/cord/splitter causing the issues.
2. Once thats done, retest your speeds. Again, make sure to do it over a hardwired connection. Directly connect to the C7000 for the testing.
Reason for all this is to first get full speed to your modem/router combo device. If we can't, then your ISP needs to check your line to determine why not. Many charge a service fee if the problem is within your house which is why I recommend just connecting the modem right where it comes in. It rules out other cables, splitters etc causing the problems and leaves it in your ISP's hands.
- FURRYe38Guru - Experienced User
What is the distance between the router and EX? 30 feet is recommended in between them to begin with depending upon building materials when wirelessly connected.
What channels are you using? Auto? Try setting manual channel 1, 6 or 11 on 2.4Ghz and any unused channel on 5Ghz.
Any Wifi Neighbors near by? If so, how many?Try enabling Beamforming (if available) and WMM on the C7000 modem.
isaacr77 wrote:Hello, I have never written in a forum before but I am desperat, I have comcast and we have up to 250mgbs plan. We have around 14 devices and 2 of these are connected to ethernet. alot of the time my internet is really slow and i get around 15-30 mgps when im in my room which is like 20 feet away from the router. When we use the computer which is connected to ethernet sometimes I get a "cant find internet connection" error on chrome and then have to reload the page. I play video games in my room which is why I got the EX7000 extender so i could use ethernet, I was getting good connection with the extender before i got the C700 router, I would get an average of 100mgbs and was happy. The old router was the xfinity XB3 router, I got the c700 in hopes that it would help with our wifi because it can hold more devices (instead of 16 with the XB3 to 24 with C700). Now my Ps4 gets 20mbps and is always lagging. My question is What am i Doing wrong, and what are the best router settings, and extender settings to get good wifi signal. I dont know much about routers and extenders Please help. Thank you.
- isaacr77Tutor
Thank you also for replying, My EX7000 is 25ft away i measured it and when you say change the channels im not sure how to do that. Also i was looking through the advanced settings and there is a WMM for 2.4ghz and 5ghz both are on. Also I will look for beamforming to check that our
- FURRYe38Guru - Experienced User
25 feet maybe a bit too close, try setting the EX out at 30 feet if you can. Having too much wifi over lap between the modems wifi and the EX wifi can cause some problems.
isaacr77 wrote:Thank you also for replying, My EX7000 is 25ft away i measured it and when you say change the channels im not sure how to do that. Also i was looking through the advanced settings and there is a WMM for 2.4ghz and 5ghz both are on. Also I will look for beamforming to check that our