Wednesday, May 1, 2019

Micro-ISP - Setting up multiple external IPs

Hey guys - first time running into this, which I'm sure is a breeze for a lot of you out there but I'm stuck and it's either the gear I have doesn't cut it or my know-how doesn't cut it.

Doing a strip-mall type of project for someone.. they are including internet service into their tenant leases for the spaces. The owner will occupy one of these spaces (it's a new construction) and wants me to be able to run everyone through the same internet connection/account.

My first thought was to just VLAN the heck out of it but realized that may not cut it if tenants have different firewall rules and other things going on.. just doesn't seem as secure segmenting completely separate companies through a switch.

My second thought, after getting on the phone with the owner's ISP and realizing he has 10 external static IP addresses, was to create a micro-ISP type of setup:

Receive the ISP connection through the ISP's gateway router in the rack.

Run this into the owner's own version of a gateway router.

Assign each port on that router with a specific external IP (e.g., eth1 gets .50, eth2 gets .51, and so on).

Current gear the client was/is using is Cisco RV325. Do you think this is sufficient? If not, what kind of router do I need to have to make this idea happen? Thoughts.... thanks so much.



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