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Forum Discussion
CM1100 No Longer Compatible with Xfinity Due to Security Software
Xfinity sent out an email that my CM1100 modem is no longer compatible with the 800 Mbps plan even though the specs on the device exceeds that. Xfinity's initial reason was due to INCOMPATIBLE BASED...
There isn't really any security software to a modem. The router has firewall/security software but not the modem.
If xfinity is saying it isn't compatible, there's going to be having a lot of users with incompatible modems as the cm1100 is a newer modem
Your CM1100 is fine. It is a DOCSIS 3.1 certified cable modem. It will provide service on the Xfinity cable system for years to come. Xfinity has really gotten out of line with their "notices" trying to up sell you something you do not need or really want. Xfinity in particular targets users that own their own modem and do not rent a modem.
The only limit on your modem is the output ports that are rated at 1 Gbps.
What is the throughput tier of the plan you purchase from Xfinity? If it is anything above 1 Gbps, you should consider saving some money by downgrading to a less costly plan.
