WAN Ethernet Cable

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Tabatchnick

Tabatchnick

Reputable
Dec 11, 2014
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I am needing to relocate some devices. I am shopping for a 25' WAN cable to go between my cable modem and router. I am having the hardest time finding one. What I am finding is being defined as, "...you can connect to your CAT5 LAN/WAN segments and networking gear..."

Ok this doesn't make sense to me. From my limited education the difference between a LAN and WAN cable is the twist. How can one cable serve these two needs?
 
Solution
ronintexas
If you use the "LAN" port on the router, you see the entire network, and the router works like a switch. Using the "WAN" port segments the network to an internal (all connections on the LAN side of the router) and the outside world (the cable modem in your example). Those on the router side see the cable modem, but those in the outside world can't see your computers. (This is a very basic explanation).

A standard Cat 5e or Cat6 cable will work between the two devices. Almost all routers/switches/hubs manufactured in the last 5-10 years are "auto-sensing" (both cable type and speed) - so any cable will work.
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ronintexas

ronintexas

Judicious
Dec 10, 2012
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If you use the "LAN" port on the router, you see the entire network, and the router works like a switch. Using the "WAN" port segments the network to an internal (all connections on the LAN side of the router) and the outside world (the cable modem in your example). Those on the router side see the cable modem, but those in the outside world can't see your computers. (This is a very basic explanation).

A standard Cat 5e or Cat6 cable will work between the two devices. Almost all routers/switches/hubs manufactured in the last 5-10 years are "auto-sensing" (both cable type and speed) - so any cable will work.
 
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