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This page describes the Abiquo DHCP configuration that uses a DHCP server with OMAPI.
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For Abiquo private, external and public networks, the platform can manage their the corresponding VLANs with an ISC DHCP server. Abiquo
Abiquo recommends one DHCP server per physical datacenter. Add When you configure the datacenter, add the DHCP service to Abiquo when creating or editing a datacenter. You can use the Remote Services DHCP server supplied with Abiquo or another compatible server. If .
If you have many virtual networks, you might need a separate relay server to manage VLANs for the DHCP server.
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For unmanaged networks only, you do not need to configure a DHCP server and you must provide the network addresses to the VMs outside of Abiquo.
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How Abiquo uses DHCP
Abiquo standard VLAN management has the following features:
Virtual networks as separate VLANs
The Cloud Administrator defines VLAN tag pools in Abiquo when creating the racks
External and public networks are created in the infrastructure and define defined in Abiquo later
Private networks will be defined by Abiquo from the racks VLAN tag pools of the racks
The connections in DHCP are as follows:
When you deploy a VM, Abiquo (Remotes Services) supplies the network settings for the new VM to the DHCP Server.
When the new VM powers on, it broadcasts a DHCP request for network configuration.
The hypervisor passes the DHCP request through a VLAN to the DHCP server.
The DHCP server broadcasts a lease with the network configuration for the
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VM over the same VLAN
When configuring the DHCP infrastructure, there are several choices depending on the number of VLANs in the environment.
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DHCP server with DHCP relay, for < 1000 VLANs.
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DHCP server with multiple DHCP relays, for > 1000 VLANs
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DHCP configuration notes
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To configure a single DHCP server with VLAN support, see Configuring a DHCP Serverserver .
To install a DHCP Relay server with the Abiquo appliances see Automatically configuring one DHCP relay server .
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If you need to use multiple relay servers, see Manually see Manually configuring multiple DHCP relay servers .