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20 October, 01:23

What are the advantages and disadvantages of using the serial console connection compared to the usb console connection to a cisco router or switch?

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  1. 20 October, 02:13
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    Solution:

    The advantages and disadvantages of using the serial console connection compared to the USB console connection to a cisco router or switch Re as follows:

    USB stands for Universal Serial Bus. The advantages over serial and parallel connections are several and quite significant. The data transfer rate of a USB port is quite high I don't remember the specifics but it's something like 10MB/sec. Serial ports are significantly slower and while parallel ports are somewhat faster they are still very slow in comparison to a USB port. The transfer rate is quite miser compared to USB.

    Another great difference is that with serial or parallel devices you must reboot the computer every time you change a device on the port. USB devices are hot-swappable, meaning you can change them out with the computer on, without having to reboot since the system will automatically detect when a device is plugged in (at least this is Micro$oft claims).

    A great advantage is that several devices to a single USB port through a port hub.

    The only disadvantage is in USB devices are limited to a distance of about 7ft from the port. Serial devices can be extended to a much greater distances.
  2. 20 October, 05:22
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    It dеpеnds οn thе pοrt availability οn thе PC and thе rοutеr οr switch. If thе PC has a sеrial pοrt and a DB9-tο-RJ45 cablе is availablе, it is gеnеrally еasiеr tο cοnnеct tο thе rοutеr οr switch using thе sеrial cοnsοlе pοrt. If thе PC dοеs nοt havе a sеrial pοrt, a third party USB-tο-Sеrial adaptеr can bе usеd. Ciscο switchеs dο nοt havе mini-USB cοnsοlе pοrts, sο cοnnеcting via USB is nοt an οptiοn. If cοnnеcting frеquеntly tο a Ciscο rοutеr that has a Mini USB cοnsοlе pοrt, this can bе thе mοst еffеctivе mеthοd οncе thе Ciscο drivеrs arе installеd, bеcausе nеarly all nеwеr PCs havе USB pοrts.
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