Hi, I'm currently setting up an ESXi server with OpenWRT to control access to and from a set of VM's as well as providing DNS and DHCP for these machines. The problem is that we want to future proof this setup, so that if we run out of resources on one server we can create a new openwrt instance on a new ESXi box and carry on adding machines. This means that we then have to start looking at how to connect the OpenWrts to form one LAN. We can't be sure that' we'll be able to cable the servers directly, so the best idea I could come up with was to create a VPN bridge between them, which would be good as then I would only have to run a DNS server on one of the OpenWRT instances.
Does anyone have any better ideas, or is there a standard solution to this kind of problem? I imagine we could do with with a hardware switch, but funds are tight. Thanks, James
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