Can I hook up an extra router to my existing unit that is already a combination modem/router? - Quora
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Asus Modem Router Combo - All-in-one DOCSIS 3.0 32x8 Cable Modem + Dual-Band Wireless AC2600 WIFI Gigabit Router Certified by Comcast Xfinity, Spectrum, Time Warner Cable, Charter, and Cox (CM-32) - Walmart.com
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