On Sat, 15 Dec 2018 16:19:25 -0600, VanguardLH wrote:

You can always put your own router downstream of the cable modem. You
will have to do that, anyway, if you have more wired hosts than the
number of ports on the combo modem.

No, if you need more ports you don't add another router, you add another
switch. If all you have is a spare router, you can use it as a switch if
you disable its DHCP and remember not to use its WAN port.

--

Char Jackson