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Forum Discussion
cordcutters
Sep 05, 2020Tutor
New CM1200 - self-assigned IP address via Ethernet Connected Laptop - NO Internet
New Netgear user here, hello! Need help please! Just changed ISP's today (Spectrum to RCN) and with that needed to buy a better modem. Bought CM1200 (running Firmware Version V1.02.02) about 1 week ...
cordcutters
Sep 05, 2020Tutor
Thank you antinode for the explanation.
The product literature from the CM1200 Data Sheet as well as product description from the .com site list specs as: Number of Ethernet Ports: Four (4) Gigabit Ethernet ports with autosensing technology - and a Product Diagram which shows 4 of the same yellow color ports at the back of the device.
I've checked other sites and forums as well; a lot of folks are under the impresstion that the device has 4 equally usable ports, that directly connect the modem to up to 4 devices via ethernet cable, that all can be used at the same time. The fact that that is not true - misleads folks based on product descriptions, data sheets and product diagrams. Before my purchase I spoke with pre-sales dept and they assured me that all 4 ports directly connected to devices, used in tandem. I was pleasantly surprised (at that time).
I probably could have purchased the CM1000 because we only have 940gig Internet anyway (only bought that speed because of new customer promotion price for 14 mos.) so the CM1200 is not even necessary - and could've saved the $50.
Appreciate your reply though antinode .
antinode
Sep 05, 2020Guru
> [...] a lot of folks are under the impresstion that [...]
Yup. A Web or forum search for your model number should find many of
them.
> [...] they assured me that [...]
Trust no one, I always say. It might be true, _if_ your Internet
service were unusual (multiple IP addresses). But, even so, connecting
a typical computer directly to the Internet that way (without a NAT
router in-between, acting as a firewall of sorts) would be a serious
security risk.
If I wrote Netgear's documentation, many things would be different.