100Mbs Layer 3 Switch superior to 1Gbs standard switch?

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I am going to upgrade my main switch which feeds 40 computers... I rarely require fast bandwidth as I don't transfer large files through the network but there is a lot of logging on/off , etc, so would a 100Mbs Layer 3 switch be a better choice than a standard 1Gbs switch? The layer 3 model costs a little bit more but if it would suite me better then it's worth it smile Thanks
ASKED: October 8, 2007  4:57 PM
UPDATED: October 11, 2007  9:08 AM

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A Layer 3 switch means that it has IP Routing functionality built in for Ethernet layer traffic.

With only 40 computers, I don’t see any need to subnet your network. Hence, I don’t see a reason to use the Layer 3 functionality.

If it were me, I would go with a 1GB switch and get something that you might really use. If your PC’s don’t have 1GB NIC cards, they are less than $30 each these days. I would put one in your highest traffic server and get the Gig-E switch.

David Davis, CCIE
<a href=”http://www.happyrouter.com”>Personal Website: HappyRouter.com</a>
<a href=”http://itknowledgeexchange.techtarget.com/cisco/”>ITKE Blog – Cisco Router & Switches</a>

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  • Jurban4586
    Lets go back to the upgrade issue. What is your budget? If your current system has port growth left, why upgrade? Do you see growth far beyond the intial 40 hosts? Does the upgrade make sense, or can you save the money with the current config? I see no reason to upgrade. Look closer at the cost / benefit of where you are today and what an upgrade would do for you.
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  • Jurban4586
    Lets go back to the upgrade issue. What is your budget? If your current system has port growth left, why upgrade? Do you see growth far beyond the intial 40 hosts? Does the upgrade make sense, or can you save the money with the current config? I see no reason to upgrade. Look closer at the cost / benefit of where you are today and what an upgrade would do for you.
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  • Alanbloom
    Thanks for the comments :-) Well, at the moment I have an old 24 port switch and a 24 port hub (which only has the least used computers on it!). I want to get an updated 48 port switch and the servers are 1Gbs too... :-)
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  • Tbitner
    Go with the GB switch and get rid of that hub! An unmanaged GB switch is a lot cheaper than a managed L3 switch, plus you don't have a need for L3 functionality on your network.
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  • Alanbloom
    Hi again Is a L3 switch not faster at forwarding than a standard switch? The two I have seen are a Gbs switch for £350 and a Layer 3 100Mbs for £376. The first is obviously well suited for me and eventually, all the computers can be upgraded to Gbs speed. Also, the L3 switch has two Gbs ports, which can be used for the servers. For instance, I don't need VLAN features, but if a L3 switch can operate faster and it costs around the same then it may have more benefits. I don't need to transfer large files so a low latency would be better...
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