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Home/ Questions/Q 3566
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Vipin Chauhan
Vipin ChauhanLevel 30
Asked: October 3, 20212021-10-03T22:59:38+05:30 2021-10-03T22:59:38+05:30

Why Are Some Fastethernet Ports On The Switches Are Up And Others Are Down?

Why Are Some Fastethernet Ports On The Switches Are Up And Others Are Down?
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    1. Priya Hamsa Bronze
      2021-10-31T13:48:47+05:30Added an answer on October 31, 2021 at 1:48 pm

      Why Are Some Fastethernet Ports On The Switches Are Up And Others Are Down?

      The FastEthernet ports are up to when its cables are connected to the ports and it will also be up in case if any network administrator has shutdown it manual. Otherwise, the FastEthernet ports will be down. Today, let us discuss how to add FastEthernet ports on the switches in detail. before we discuss the FastEthernet ports, let us actually know the fast ethernet ports in detail.

      The rate of data transmission for a standard ethernet is 10 Mbps, we all know that there are some of the lan technologies that are present in the early 1990s, these can technologies can able to provide at the rate of 10 Mbps.

      In order to reach the traffic, the ethernet has increased its speed by 100 Mbps. This rate of speed is called the fast ethernet. Here in order to achieve the speed of 100 Mpbs, the mac sublayer is simply kept unchanged.

      This is nothing but the frame format of its remains the same. it is nothing but the maximum and its minimum size of its will remain the same.

      The fast ethernet is simply used in order to increase the speed to 100 Mpbs and allows it to be compatible with the standard ethernet. This will keep the same address format and the same 48-bit address.

      We do not use any bus topology in the fast ethernet. Instead of this bust topology, we use different topologies like the star topology and the hub.

      The actual size is 2500 meters but it has changed it to 250 meters and we use the link-layer switch in order to use to store the frames and it will establish the full-duplex function.

      Here the transmission medium can be provided for each host hence we can avoid the contention that it is leading and there is no need to use any CSMA or CDMA.

      And the shared medium can be changed into many of the point-to-point media, hence the necessity of contention is simply not needed.

      The main note in the FastEthernet is nothing but it must be able to compatible with the standard ethernet. We also use the auto-negotiation that will allow each device.

      The main advantage of the fast ethernet is that we can able to connect all the small low-speed ethernet cards which are at 10 Mbps, can be connected to the high data rate ethernet cards, with a speed up to the 10 Mbps.

      We can simply say that the fast ethernet is nothing but the extension to the 10 Mbps.We can run this fast ethernet through different cables like the optical fiber and the twisted pair cables. All the higher-level issues are solved by the fast MAC. the Mac stands for media access controller. That can be logically divided into the ethernet frame adapter.

      Here we connect all the fast ethernet ports into the switches with its cables, so that the FastEthernet ports will be kept it as up.

       

       

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