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WIC-2t vs ethernet

Hello, if you had a small network with a few routers in a building, would you connect them with ethernet rather than serial (like a WIC-2t interface).

Is the serial method of interconnecting routers (e.g WIC-2t) an old method that has been superceded by ethernet now ?

Thanks for any help.

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Hall of Fame Expert

Since this is all within the same building you connect the routers together using Ethernet ports.  If the distances are great (between buildings, Cities, countries, etc..) than you use a services provider and one method of connecting them would be using serial (T1) interfaces.

HTH

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Hall of Fame Expert

Since this is all within the same building you connect the routers together using Ethernet ports.  If the distances are great (between buildings, Cities, countries, etc..) than you use a services provider and one method of connecting them would be using serial (T1) interfaces.

HTH

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Hall of Fame Community Legend

Serial has been superseded by ethernet because it's expensive to cable up links like that.  Hardware manufacturers are not keen in keeping serial interfaces alive because it takes a lot of expensive "real estate" on the appliance.

Think about it:  How many RU do you need if you have a 24-port SERIAL interface switch or router?

Another thing is the distance and bandwidth you can push on a serial interface against ethernet (copper or fibre optic).

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Hall of Fame Expert

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BTW, when using Ethernet within a LAN you would often want to use L3 switches.  Most small routers with Ethernet interfaces do not have actual performance to route at wire-speed.

Also BTW, today, "typical" Ethernet will provide over 50x the bandwidth of "typical" Serial.

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