DHCP Relay vs Multi-Homed DHCP Server

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http://serverfault.com – I'm sketching out a new network topology and I'm unsure of how to solve the issue of DHCP between two VLANs. will hold the majority of our users, corporate wifi, printers etc. will hold a subset of users who need access to our AWS VPN tunnel I'm planning to use a L3 switch to route between subnets, with ACLs to control which VLAN can access which and in which direction (i.e. 3/24 will be able to access 2/23 but not vice versa). The issue is DHCP in the network. I can either configure a DHCP relay via the switch, or I can give our Windows 2008 R2 DHC (HowTos)