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Forum Discussion

OaxacaGangster's avatar
OaxacaGangster
Follower
Aug 23, 2019

Is the R4500 compatible with the CM1100

Hello All,   I bought CM1100 cable modem.  The xfinity tech who installed the modem could not get my R4500 router to work.  Is the R4500 compatible with the CM1100?  
FURRYe38's avatar
FURRYe38
Guru - Experienced User
Aug 23, 2019

Power off both modem and router and connect them up. Be sure that you use Port #1 on the CM modem only. The other ports are not used for routers or other LAN devices. These are reserved for ISP assigned IP addresses. 

 

Turn ON the modem and let it sync, the power ON the R series router. The router should get connected to the modem. It's possible a factory reset maybe needed on the router and walk thru it's setup wizard. 

OaxacaGangster wrote:

Hello All,   I bought CM1100 cable modem.  The xfinity tech who installed the modem could not get my R4500 router to work.  Is the R4500 compatible with the CM1100?