Systems and methods for providing multi-tenant dynamic host configuration protocol services

A non-transitory computer readable storage medium, having instructions stored thereon that, when executed by a processor, configures a physical machine to provide dynamic host configuration protocol (DHCP) services to at least one logical network using a single DHCP process by performing operations comprising:

• defining a plurality of gateway virtual machines (VMs), wherein each of the plurality of gateway VMs is configured to execute a separate DHCP server that runs the single DHCP process, thereby creating a plurality of DHCP servers;
• creating a profile indicating a first gateway VM and a second gateway VM from the plurality of gateway VMs from which a first DHCP server and a second DHCP server will be executed respectively;
• assigning each of the one or more logical networks to a logical forwarding element (LFE) configured to route one or more packets between the one or more logical networks and the first DHCP server;
• for each LFE:
• defining, within each of the first and second DHCP servers, a respective logical DHCP server instance based, at least in part, on the created profile, wherein each of the logical DHCP server instances includes one or more static bindings or internet protocol (IP) addresses for lease to one or more VMs of the one or more logical networks;
• and
• defining a LFE port configured to connect the LFE to the first DHCP server, wherein the first DHCP server identifies a logical network of the one or more logical networks that a packet of the one or more packets originates from based on a LFE port identification (ID) of the packet;
• and
• periodically synchronizing IP address lease information between the first DHCP server and one or more other DHCP servers from the plurality of DHCP servers.

A system for providing dynamic host configuration protocol (DHCP) services to one or more logical networks by using a single DHCP process, the system comprising:

• a management cluster configured to:
• define a plurality of gateway virtual machines (VMs), wherein each of the plurality of gateway VMs is configured to execute a separate DHCP server that runs the single DHCP process, thereby creating a plurality of DHCP servers;
• create a profile indicating a first gateway VM and a second gateway VM from the plurality of gateway VMs from which a first DHCP server and a second DHCP server will be executed respectively;
• assigning each of the one or more logical networks to a logical forwarding element (LFE) configured to route one or more packets between the one or more logical networks and the first DHCP server;
• for each LFE:
• define, within each of the first and second DHCP servers, a respective logical DHCP server instance based, at least in part, on the created profile, wherein each of the logical DHCP server instances includes one or more static bindings or internet protocol (IP) addresses for lease to one or more VMs of the one or more logical networks;
• and
• define a LFE port configured to connect the LFE to the first DHCP server, wherein the first DHCP server identifies a logical network of the one or more logical networks that a packet of the one or more packets originates from based on a LFE port identification (ID) of the packet.