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Re: CM1100 has speed lower than my internet provider confirmed

locnt
Aspirant

CM1100 has speed lower than my internet provider confirmed

(Firmware Version 

V2.01.02)
 
Hello,
 
I just bought the modem. The internet went smoothly; however, the speed is much slower than expected.
My Xfinity provider confirmed with me that my download speed is 60 Mbps from their end. However, no matter how I tested (on both speedtest.com and http://speedtest.xfinity.com/), my speed is only about 18 Mbps.
Before renting their own modem to see if I have a better result, I still want to try if there is a way to fix it myself.
 
Thanks,
 
Model: CM1100|Nighthawk Multi-Gig Speed Cable Modem—DOCSIS 3.1
Message 1 of 5
FURRYe38
Guru

Re: CM1100 has speed lower than my internet provider confirmed

Try a different test PC. If the ISP confirms speeds are good up to the modem then check your PC and or connected external router if you have one connected. Directly connect a wired PC to the modem with out the router and speed test there. Ensure LAN cabling is of good working quality. CAT6 is recommended. 

Message 2 of 5
locnt
Aspirant

Re: CM1100 has speed lower than my internet provider confirmed

I tried with 2 different laptops, both wired and wireless. No different results.
Should I try changing any settings?
Message 3 of 5
FURRYe38
Guru

Re: CM1100 has speed lower than my internet provider confirmed

Nothing in the CM to set. LAG should be disabled is all. If you tested different PCs and such. I would presume the modem needs to be RMAd. 

@vkdelta 

Message 4 of 5
vkdelta
NETGEAR Expert

Re: CM1100 has speed lower than my internet provider confirmed

you dont need LAG for 60 Mbps.. LAG is for >1Gbps service.

 

Have you tried testing DIRECTLY to the modem?

What ethernet adapter do you use?

Message 5 of 5
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