Title: Setting up separate subnets for workstations and servers
I would like to setup my two Cisco 3560 switches with separate subnets for workstations, servers, and VPN clients (ISA Server). The switches will be connected via a Cisco SFP Interconnect cable.
Do I need a VLAN for each subnet? If I setup 10.0.1.0, 10.0.2.0, and 10.0.3.0 I will need a subnet mask of 255.255.0.0 for each subnet to talk to each other, correct? How do I configure the switches to talk to each other using the cable? Is there a good guide to setting up the switches in this manner?
I really don't want overkill. I simply need to expand the range of IP addresses available to all computers, and segmenting by subnet makes the most sense to me. I am new to Cisco, so pointing me in the right direction is all I ask.
Re: Title: Setting up separate subnets for workstations and serv
If you use only a 16 bit mask 255.255.0.0 then the addresses you have specified are all in the same subnet . To be in separate subnets you would need to use a /24 . You would then need to create your layer 2 vlans on one switch and also the layer 3 SVI , then create a trunk across the sfp connection to carry those vlans to the 2nd switch . If you want to manage the 2nd switch then you would have to give it an address on a layer 3 SVI and give it a default gateway. Finally put the ports in the correct vlan . The config would look something like this .
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