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Networks and Routers

Last response: in Networking
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September 8, 2003 12:46:25 PM

Hi all, i was just wondering wether you can see on a network through the router, like you can on a network through a hub. Is a router just for sharing you internet connection?

More about : networks routers

September 8, 2003 12:51:46 PM

the "routers" they sell to the consumer these days are actualy router with built-in hubs (actually switches). So the answer to your question is yes.

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jlanka (. .)
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September 8, 2003 1:04:41 PM

Ah, cheer's! That is good news! Thank's
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September 15, 2003 8:02:01 AM

Nope. A hub is a Layer 1 device and all traffic is shared and collisions can occur. Hence the term collision domain. A switch is layer 2 and all broadcasts are shared (broadcast domain), but host to host communication is not (which enables full duplex). A router is layer 3 and does not forward broadcasts.
As for whether you can "see on a network", that depends. A router forwards traffic between separate networks and thus one network can "see" the other. However, if "see" means "can I sniff the network" the answer is no (if you had to ask).

Dev

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