Configuring Static IP Addresses for DHCP Clients

The DHCP Static IP table lets you configure up to 100 DHCP clients with static IP addresses. The static IP address is a "reserved" IP address for a specified DHCP client defined by MAC address. In other words, instead of assigning the DHCP client with a different IP address upon each IP address lease renewal request, the DHCP server assigns the client the same IP address. For DHCP clients that are not listed in the table, the DHCP server assigns a random IP address from its address pool, as in normal operation.

The following procedure describes how to configure static IP addresses for DHCP clients through the Web interface. You can also configure it through ini file [DhcpStaticIP] or CLI (configure network > dhcp-server static-ip <index>).

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To configure static IP addresses for DHCP clients:

Open the DHCP Servers table (see Configuring the DHCP Server).

Select the row of the desired DHCP server for which you want to configure static IP addresses for DHCP clients, and then click the DHCP Static IP link located below the table; the DHCP Static IP table opens.

Click New; the following dialog box appears:

Configure a static IP address for a specific DHCP client according to the parameters described in the table below.

Click Apply.

DHCP Static IP Table Parameter Descriptions

Parameter	Description
'Index' dhcp static-ip <index> [Index]	Defines an index number for the new table row. Note: Each row must be configured with a unique index.
'DHCP Server Index' dhcp-server-number [DhcpServerIndex]	Associates the DHCP Static IP table entry with a DHCP server that you configured in Configuring the DHCP Server. Note: Currently, only one DHCP server (Index 0) can be configured and therefore, the parameter value is always 0.
'IP Address' ip-address [IPAddress]	Defines the "reserved", static IP address (IPv4) to assign the DHCP client. The default is 0.0.0.0.
'MAC Address' mac-address [MACAddress]	Defines the DHCP client by MAC address (in hexadecimal format). The valid value is a string of up to 20 characters. The format includes six groups of two hexadecimal digits, each separated by a colon. The default MAC address is 00:90:8f:00:00:00.

Parameter

Description

'Index'

dhcp static-ip <index>

[Index]

Defines an index number for the new table row.

Note: Each row must be configured with a unique index.

'DHCP Server Index'

dhcp-server-number

[DhcpServerIndex]

Associates the DHCP Static IP table entry with a DHCP server that you configured in Configuring the DHCP Server.

Note: Currently, only one DHCP server (Index 0) can be configured and therefore, the parameter value is always 0.

'IP Address'

ip-address

[IPAddress]

Defines the "reserved", static IP address (IPv4) to assign the DHCP client.

The default is 0.0.0.0.

'MAC Address'

mac-address

[MACAddress]

Defines the DHCP client by MAC address (in hexadecimal format).

The valid value is a string of up to 20 characters. The format includes six groups of two hexadecimal digits, each separated by a colon. The default MAC address is 00:90:8f:00:00:00.