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Forum Discussion

markymarq's avatar
Jan 04, 2021
Solved

CM 1200 not showing ISP speeds

Hello!

 

I recently upgraded my Spectrum service to "Ultra" which is rated at 400Mbps download-  minimum.  I also pruchased a CM1200 modem to replace a C6300 Modem/Router, and the CM1200 installed without issue and was activated by Spectrum.


I am only seeing 100-130 Mbps download for wired devices, and only 100Mbps for wireless devices.

 

Spectrum says the 400 Mbps service is acctive. 

 

How can I troubleshoot the issue? 

2 Replies

  • Also, I am unable to test the internet speed directly connected to the modem even after assigning an IP to my laptop.  No internet service available. 

  • This issue is now resolved - was not related to the CM1200.