# Configure DHCP Server

Use the Dynamic Host Configuration Protocol (DHCP) panel to configure and manage the behavior of the internal DHCP server.

NOTE: Do not enable the internal DHCP server if another DHCP server exists on the network.

To enable DHCP:

1. On the DHCP Service tab, click Edit.

2. Click Enable DHCP Service to enable the internal DHCP server.

3. Click Allow BootP to allow network clients to obtain IP addresses using the Bootstrap Protocol.

## DHCP Configuration

To add a subnet:

1. On the Subnets tab, click Add subnet.

2. In the Name field, enter the name to apply to this subnet.

3. In the Subnet IP address, enter the IP address of the subnet to add.

4. In the Subnet Mask field, enter the mask to apply to this IP address.

5. (Optional) In the Router field, enter the IP address of the router used to access the subnet.

6. Click Save.

To remove a subnet:

1. On the Subnets tab, click the Remove link associated with the subnet you want to remove.

2. Click Save.

To add a subnet range:

If you have enabled DHCP and added a subnet, you must provide a subnet range.

1. On the Subnets tab, click Add range.

2. In the Range start field, enter the IP address at which to start the range of IP addresses available for assignment.

3. In the Range end field, enter the IP address at which to end the range.

4. In the Lease time field, enter the number of seconds to hold DHCP leases or accept the default setting.

5. Click Save.

To add a Static Host:

1. On the Static Hosts tab, click Add Host.

2. In the Hostname field, enter a name for the static host.

3. In the Host IP field, enter the static IP address of the host.

4. In the MAC address field, enter the MAC address of the host.

5. In the Client ID (type, value) field, select a type and enter a corresponding value.

6. Click Save.

To add DHCP options:

1. In the Scope field, select the scope to apply to this option. (Global, Subnet, Range, or Host)

2. Select the option type for this option (Standard, Vendor, or Site-local).

3. Do one of the following:

4. For Standard options, select an option number from the list.

5. For Vendor options, select a vendor option from the list.

6. For Site-local options, enter an option number between 224 and 254. Click Next and then enter Name, Format, and value for the new option.

7. Click Save.

To view the state of all dynamic leases:

- On the Lease View tab, click Refresh to see the most recent version of the list.

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