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Does Gigabit network switches boost the network performance -if you are not transfering huge files ?

Posted on 2011-03-09
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Last Modified: 2012-06-27


- we have small business network
- 25 computers
- most of them access email through outlook
- have internal email server
- access some applications on 1-2 servers (LAN)
- All PC's have Gigabit NIC cards
- we don't copy and move huge files(like drawing files..etc)

 Now if we replace a network switch from 10/100 to Gigabit:


1.  Does it make a huge difference in terms of speed in the network ?

2.   Are there any chances of the network slowing down after putting the new gigabit switch ?

3.   What is the best way of testing to see if the gigabit switch helped ? just copy paste
      files from local PC to server and see as how the speed is ? (before and after)

2.  
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Question by:OCUBE
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supermandaddy earned 250 total points
ID: 35085201
1. Yes it does make a speed difference if all devices are gigabit ethernet as well.  If there is a device you are transfering/receiving to or from that is 10/100 then it will make no difference.  A switch alone does not make any differences

2. nothing should be slower after just a defaulted gigabit switch change

3. before and after speeds are the best way to test but make sure they are the same files not just ones that are similar, and may want the file to be around 1 gig in file size

PS. this info is taking the server/pc specs out of the equation
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Author Comment

by:OCUBE
ID: 35085244


I am hoping your answers will be the same , for this scenario as well

Old Network:
==========

 Server-GB Nic card  =>  Gigabit Switch = > 10/100 Switch  ==> Desktop PC (GB NIC )


New Network:
==========

 Server-GB Nic card  =>  Gigabit Switch = > Gigabit Switch  ==> Desktop PC (GB NIC )
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Expert Comment

by:supermandaddy
ID: 35085274
Theoretically should be faster yes
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Author Closing Comment

by:OCUBE
ID: 35085283
thanks
0
 
LVL 21
ID: 35085414
I look at it like this: You will only be as fast as the slowest NIC/switch/router/etc in the chain between end points.


Server-GB Nic card  <= Gigabit throughput  =>  Gigabit Switch <= 100meg throughput= > 10/100 Switch  <= 100 meg throughput ==> Desktop PC (GB NIC )

.
I have seen performance enhancements going from

Server-10/100 Nic card  => 10/100 Switch  ==> Desktop PC (10/100 NIC )

by upgrading the Server's NIC and switch to have at least one port that is a Gigabit for the server

Server-GB Nic card  <= GIG port =>  Gigabit Switch <= 10/100 port= >  Desktop PC (10/100 NIC )

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