NSX Edge supports IP address pooling and one-to-one static IP address allocation. Static IP address binding is based on the vCenter managed object ID and interface ID of the requesting client.
NSX Edge DHCP service adheres to the following guidelines:
Listens on the NSX Edge internal interface for DHCP discovery.
Uses the IP address of the internal interface on NSX Edge as the default gateway address for all clients (except for non-directly connected pools), and the broadcast and subnet mask values of the internal interface for the container network.
You must restart the DHCP service on client virtual machines in the following situations:
You changed or deleted a DHCP pool, default gateway, or DNS server.
You changed the internal IP address of the NSX Edge instance.