Set up two separate networks with access to shared resources

Hi all

We have a two separate companies in the same building which will both need access to shared resources and the same internet connection. They must be on separate subnets cannot communicate directly with each other. The current switch is a Cisco ESW-520-48P and we are looking to buy an SG-300-20 p for the new entity moving in. Heres how we envisage the establishment:

  • ESW-520 will host network company A. workstations, servers, etc.
  • SG - 300 will be two VLANS. Vlan1 will host any business network (B) workstations, servers, etc. VLAN2 will host shared resources, such as printers.
  • The internet gateway is a system based on UNIX with 3 CARDS. 2 NETWORK cards is absorbed by ADSL connections, while the other card NETWORK LAN, linking to VLAN2 on the SG-300. We would like to define which connection ADSL to carry through according to what subnet traffic is originating.
  • The ESW-520 need access to shared resources and the internet gateway on VLAN2 on the SG-300.

This will be possible with these two switches? It would be the best way to go about this?

Appreciate any recommendations that you can provide.

Thank you

Tom

Hi Tom, yes the ESW can be either an access port to the vlan 2, unidentified or you can configure the trunk for the host devices on two subnets on the ESW, your choice. When the SX300 is L3 it will load the intervlan routing when you assign IP addresses for the interfaces of VLAN locally.

Default gateways will be the SX300 Lass (interface vlan).  There will always be a route established between subnets so assign each vlan an IP address.

You'll see ARP of course through the subnets of course. Not sure the DHCP acknowledgement, etc..

-Tom
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