@KJK "I have never heard about an ISP that would provide customers with modem/router combos and disable the routing capabilities. It's rather the opposite. Some of them make it impossible to disabled...

Thanks to the folks trying to help me figure out what I've got wrong. Here's an update regarding what I have done since my initial posting. As mentioned before - I am concerned that I have ONLY been...

@KJK Thanks for the Reply: "TC8715D is a modem/router combo. I believe its default LAN IP address is 192.168.0.1. Before you connect ER605 to TC8715D, try to change its LAN IP address to an address...

@dsj Thanks for the inquiry/suggestion. "what WAN configuration does your ISP Spectrum provide and how is the WAN port on the ER605 currently configured? For a cable modem/ISP, I think it's most...

I am having trouble connecting my ER605 router as desired. I am only able to access it's admin interface and have it assign me an IP when another router is presently connected to same modem. I have...