Hi! Do you have to setup a DHCP server on a 3750 switch if you only want to pass DCHP requests from one VALN to another? It used to work fine on a 2948G-L3 with only using ip helper-address. This does not seem to work on a 3750 using VLANS. Does anybody have an example configuration?
Helper addresses will work fine on a 3750 as well. Make sure you have "switchport host" configured under interfaces on which you have the clients/server directly connected
Also make sure "service dhcp" is not disabled. It is enabled by default
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