Orbi WiFi 7 RBE973
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Using a LAN port on a cable modem/wifi router combo as a WAN port

fuzzyarse
Aspirant

Using a LAN port on a cable modem/wifi router combo as a WAN port

I have a question that relates to any cable modem/wifi router that does not have a WAN port but has 4 LAN ports:

 

If I decide at some point in the future to use a standalone cable modem, can I use the combo device as a typical wifi router by converting one of the LAN ports to a WAN port? I would want to connect the ethernet port on the cable modem to one of the LAN ports on the combo unit and then use wifi and/or connect other devices to the other LAN ports. 

 

TIA. 

Model: C6900|High Speed Cable Modem Router, C7000|Nighthawk - AC1900 WiFi Cable Modem Router
Message 1 of 4
antinode
Guru

Re: Using a LAN port on a cable modem/wifi router combo as a WAN port

> [...] can I use the combo device as a typical wifi router by
> converting one of the LAN ports to a WAN port? [...]

 

   Sadly, no.  Without a WAN/Internet Ethernet port, about the only
exotic thing you could do with it would be to use it as a wireless
access point.

Message 2 of 4
fuzzyarse
Aspirant

Re: Using a LAN port on a cable modem/wifi router combo as a WAN port

If I use it as a wireless access point, would i be able to plug in the ethernet cable from the cable modem into one of the LAN ports on my combo unit, and have the combo unit broadcast the wifi signal?

Message 3 of 4
antinode
Guru

Re: Using a LAN port on a cable modem/wifi router combo as a WAN port

> If I use it as a wireless access point, would i be able to [...]

 

   Not without a router in there somewhere.  A Cxxxx-as-WAP (or any
other WAP) would be used _with_ a router, not _instead_of_ a router.

Message 4 of 4
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