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Admin Guide 1. Abiquo: Auto. 1 DHCP Relay

This section will guide you through the required steps to install the Abiquo DHCP relay server using the Abiquo Installer ISO.

Example Values

This install guide uses the following example values.

ComponentValuesNotes
Dhcrelay server IP address192.168.1.2This should be an IP address on the management network with the Abiquo platform servers.
DHCP Server IP address192.168.1.1This should be an IP address on the management network with the Abiquo platform servers
Dhcrelay management network interfaceeth0Connection to DHCP server on the management network
Dhcrelay service network interfaceeth1Connection to VLANs, which is a trunk connection on the service network.
VLAN range2-200Tags that will be allocated to the VLAN networks
Network for relay service interface10.0.0.0The DHCP Relay will listen to VLANs using VNICs with this IP range. Note that there must be one IP address for each VLAN but the IP address is only used by the DHCP Server to identify the VLAN. You can use any network address that ends in 0.
    Example:
	Dhcrelay server IP: 192.168.1.2
    DHCP Server IP: 192.168.1.1
    Dhcrelay is connected to the DHCP server through eth0 (management network)
    Dhcrelay is connected to VLANs through eth1 (service network)
    Dhcrelay manages VLAN range 2-200
    Network for relay service interface is: 10.0.0.0 

Prerequisites for DHCP

Please read the background information on Configuring DHCP and How Abiquo Networking Works before you begin. The DHCP relay server should have two network interfaces. One of the network interfaces should be connected to the service network and the other to the management network. 

System Requirements

ServerDHCP Relay Server
Recommended
test server specifications
  • CentOS 6.5 (Linux 2.6 x64)
  • 1 x vCPU
  • 2 GB RAM
  • 50 GB Disk
  • 2 x E1000 NIC
Hypervisor networks

Install the Abiquo DHCP Relay Server on a hypervisor with VLAN support configured. For example, for ESXi, see How to configure an ESXi host to support VLAN tagging

Platform networks

Connect the Abiquo DHCP Relay Server to these platform networks:

  • Management network
  • Service network (DHCP) with switch ports in trunk mode

Install Abiquo DHCP Relay Appliance

The Abiquo DHCP Relay Appliance is a CentOS system containing the Abiquo DHCP Relay Server. 

Download Abiquo DHCP Relay Appliance

Download Abiquo DHCP Relay Appliance

  • OVA file: 
  • MD5 sum:
Configure virtual machine
DescriptionDefault Configuration
Guest OS TypeRed Hat (64 bit)
CPU2
RAM4096 MB
Network adapterIntel PRO/1000 MT Server
Hard Disk Controller (SCSI)LsiLogic
Virtual Disk Imagedhcp-relay_34_vmware-disk1.vmdk.gz
Virtual Disk Image Capacity9.77 GB
Configure DHCP Relay Server

In our example, these parameters are:

Management Interface: eth0
Service Interface: eth1
DHCP Server IP: 192.168.1.1
Service Network: 10.0.0.0
VLAN Range: 2 - 100

Troubleshooting

To better understand the installation and configuration process, please see How Abiquo Networking Works.

Manually Configuring One DHCP Relay Server and Manually Configuring Multiple DHCP Relay Servers.

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