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Forum Discussion
georgealexbrown
Dec 08, 2022Follower
CM1100
I am experiencing a very low Upload Speed in kbps instead of mbps with my new CM1100 Cable Modem connected to Xfinity Fast Internet (400 mbps)
plemans
Dec 08, 2022Guru - Experienced User
Is that testing directly off the modem or using a router?
What speeds do you get directly connected to the modem?
What router are you using (if you are)?
Something to keep in mind is the cm1100 has 2x ethernet ports but most ISP's only support 1 device connected to it.