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The router can automatically assign IP and dial-up virtual local area network.
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Only the switch network for distributing data.
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The router at the network layer, the IP address addressing.
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The router can handle the "TCP / IP" protocol, the switch does not work.
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Switch relay layer, addressing the address "MAC" The.
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An IP router can be divided to multiple hosts using external IP same.
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The switch can connect to many hosts, different external IP.
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Routers can provide firewalls, switches can not provide this functionality.
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Switch is made to expand the LAN access point, allowing more computers into a local area network connected.
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Routers are used to make the gateway, which is used to connect different networks.
Specific differences between switches and routers
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Origin www.cnblogs.com/liufuyang/p/11955072.html
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