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cisco switch DHCP

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5 replies

by ayje

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At my job, we have 3 floors each floor PCs get a IP address on different subnet. For example: floor 50, get 10.1.50.x and 51 gets 10.1.51.x and so on. The default gateway on the PCs is the switch ip address. The question is how is this posible?. Is this done at the switch layer?
I was ready about cisco switches and there is something call like DHCP agent. We are using cisco 3560 series.
Thank you

5 replies

by dumphrey

with ip helper addresses... but thats just a guess. Either way you look, its all going through a router.

by dumphrey

ip address of the router interface its connected to as its gateway. Each switch should go back to a router then or none of the floors could communicate. Though if I remember correctly, a 3560 is a layer 3 switch.... so in reality, its all one big vlan. So each floor is a vlan, the gatway is the valn interface on the switch and each switch leads back to a router.

by ayje

That's what I thought, unfortunately, even though I am the System Admin, I do not have access to the switches. I ask the senior the network engineers, but they have not idea. Somebody setup for them. I am just curious about it..

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