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rogergoudiaby
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Class A ip instead of class C

Well I am using class C ip in my network and actually I running out of space. I do not want to subnet kinda too much work. Can I just use A class A ip in my network to be able to accomodate more computer in my network. If yes do I need a particular router? What are the downside of using class A instead of class C
Thank you
TCP/IPNetwork ArchitectureRouters

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Qlemo

8/22/2022 - Mon
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Ernie Beek

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shubhanshu_jaiswal

According to Cisco, there should not be more than 500 users in one subnet....you can have /23 subnet...if you go beyond that..network will be slow coz of broadcast traffic...
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kdearing

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pwindell

I wouldn't even go 512,...Cisco's CCNA material when I got my CCNA said that Ethernet looses efficiency around 250-300.  If you ran 512 most likely your 100mbps LAN would run like a 10mbps LAN or if it was a Gig LAN it would probably only perform like it was 100mbps.
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inbox788

Nobody seems to have asked yet, but what's your network architecture? I don't know why you say sub-netting is too much work, but in general, unless you're running a massively parallel cluster, it's actual likely to be time saving and performance enhancing. How many routers/switches are you dealing with? What type/models? Are the users organized differently than the physical location that prevents logical grouping? What's your expected maximum users/nodes for the foreseeable future? The answer is going to be different if it's under 1000 versus over 10,000.


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Qlemo

This question has been classified as abandoned and is being closed as part of the Cleanup Program. See my comment at the end of the question for more details.