It was recently pointed out to me that Part 2 of my DHCP on an ESG post didn’t happen… so 15 months later than planned… this is how we configure DHCP relay on a DLR!!
To configure DHCP Relay on a Distributed Logical Router, go to the ‘Networking and Security’ pane in the vSphere web client, then go to ‘NSX Edges’ and double click on the DLR instance you wish to configure DHCP Relay on. Select Manage > DHCP Relay: