DHCP 2 Subnets

we have in the same building 2 companies, #1 with 50 employees and other #2 with 300 employees and can grow, both need to be in the same network (because share folders etc.) Is possible this configuration in my DHCP?

Scope #1

Start IP
End IP
subnet mask

Scope #2

Start IP
End IP
sub mask

communicate both with router?

or will be the best option?
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Jan SpringerCommented:
with that number of employees, i usually recommend creating vlans for each set of devices (usually a department) that needs to exchange data and one scope per set of devices.

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It is possible, of course, and also is recommended as Jan said to put networks in separate VLANs and separate them by departments.

Both networks can communicate with router, and with each other if you don't forbid inter network  traffic.

For sharing folders hosts don't have to be in the same network, it is just more convenient since you can search host by names if you don't have local DNS server, if you have DNS server in your network it is irrelevant are hosts in the same network (subnet) or not, and also, if you don't have DNS server you can still find shared folders by IP address.
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