DHCP Services Configuration Page Options

  1. Select Configure>DHCP>DHCP Services.

    The DHCP services configuration page appears. Enter information as specified in Table 160 to configure DHCP services.

  2. Click:
    • Apply—Applies the configuration and returns to the main configuration page.

Table 160: Add DHCP Services Configuration Details

Field FunctionAction
Global Settings
Server Information

Server Identifier

Specifies the IP address of the DHCP server.

Enter the IP address of the Services Router. If you do not specify a server identifier, the primary address of the interface on which the DHCP exchange occurs is used.

Domain Name

Specifies the domain name that the clients must use to resolve hostnames.

Enter the domain name.

Next Server

Specifies the IP address of the next DHCP server that the clients need to contact.

Enter the IP address of the next DHCP server.

Propagate Interface

Specifies the name of the interface on the router through which the resolved DHCP queries are propagated to the DHCP pool.

Enter the name of the interface.

Domain Search

Specifies the order, from top to bottom, in which clients must append domain names when resolving hostnames using DNS. The options available are:

  • Add—Adds a domain name.
  • Delete—Deletes a domain name.

Select an option.

Name Servers

Specifies a list of DNS servers that the client can use, in order of preference from top to bottom. The options available are:

  • Add—Adds a DNS server.
  • Delete—Deletes a DNS server.

Click an option.

Gateway Routers

Specifies a list of routers on the subnet that are configured as DHCP relay agents, in order of preference from top to bottom. The options available are:

  • Add—Adds a relay agent.
  • Delete—Deletes a relay agent.

Click an option.

WINS Servers

Specifies the name of the SNMP trap group being configured. The options available are:

  • Add—Adds a NetBIOS name server.
  • Delete—Deletes a NetBIOS name server.

Select an option.

Lease Time and Boot Options

Maximum Lease Time

Specifies the maximum length of time in seconds, a client can hold a lease. (Dynamic BOOTP lease lengths can exceed this maximum time.)

Enter a from value 60 through 1,209,600.

Default Lease Time

Specifies the length of time in seconds, a client can hold a lease, for clients that do not request a specific lease length.

Enter a value from 60 through 2,419, 200.

Boot File

Specifies the path and filename of the initial boot file to be used by the client.

Enter the path and filename.

Boot Server

Specifies the TFTP server that provides the initial boot file to the client.

Enter the IP address or hostname of the TFTP server.

Option Table

Option Table

Code / Type / Value

Defines a list of option codes, types, and values, in order of preference from top to bottom. It is mandatory to define all the options

  • Option Code—Type a number.
  • Option Type—Select a type from the list that corresponds to the code.
  • Option Value—Type a valid option value based on the type.

The options available are

  • Add—Adds the code/type/value.
  • Delete—Deletes the code/type/value.

Select an option.

DHCP Pool Information

Address Pool Subnet

Specifies the pool subnet on which DHCP is configured.

Enter an IP address prefix.

Address Range Low

Specifies the lowest address in the IP address pool range.

Enter an IP address that is part of the subnet specified in Address Pool Subnet.

Address Range High

Specifies the highest address in the IP address pool range.

Enter an IP address that is part of the subnet specified in Address Pool Subnet. This address must be greater than the address specified in Address Range Low.

Exclude Addresses

Specifies addresses to exclude from the IP address pool. The options available are:

  • Add—Adds an excluded address.
  • Delete—Deletes an excluded address.

Select an option.

Server Information

Server Identifier

Specifies the server identifier to assign to the DHCP client in the address pool.

Enter the name of the server identifier.

Domain Name

Specifies the domain name to be assigned to the address pool.

Enter the domain name.

Next Server

Specifies the next sever that the client needs to contact.

Enter the server name.

Propagate Interface

Specifies the interface name to propagate TCP/IP settings to the pool

Enter the interface name.

Domain Search

Specifies the domain name to be searched. The options available are:

  • Add—Adds the DHCP client in the address pool.
  • Delete—Deletes the DHCP client from the address pool.

Click an option.

DNS Name Servers

Specifies the DNS name to assign to the DHCP client in the address pool. The options available are:

  • Add—Adds the DNS name in the address pool.
  • Delete—Deletes the DNS name in the address pool.

Select an option.

Gateway Routers

Specifies the gateway router to assign DHCP client in the address pool. The options available are:

  • Add—Adds the gateway router to the address pool.
  • Delete—Deletes the gateway router to the address pool.

Select an option.

WINS Servers

Specifies the WINS servers to assign to the DHCP client in the address pool. The options available are:

  • Add—Adds WINS servers to the address pool.
  • Delete—Deletes WINS servers from the address pool.

Select an option.

Lease Time

Maximum Lease Time

Specifies the maximum amount of time in seconds, that DHCP should lease an address.

Enter a value.

Default Lease Time

Specifies the default amount of time in seconds, that DHCP should lease an address.

Enter a value.

Boot File

Specifies the boot file to be assigned to any DHCP client in the pool address.

Enter the boot file name.

Boot Server

Specifies the boot server to be assigned to any DHCP client in the pool address.

Enter the boot server name.

Option Table

Code / Type / Value

Defines a list of option codes, types, and values, in order of preference from top to bottom. It is mandatory to define all the options.

  • Option Code—Type a number.
  • Option Type—Select a type from the list that corresponds to the code.
  • Option Value—Type a valid option value based on the type.

The options available are

  • Add—Adds the code, type, and value.
  • Delete—Deletes the code, type, and value.

Select an option.

Static Bindings
DHCP Static Binding Information

DHCP MAC Address

Specifies the hardware MAC address to statically assign DHCP information.

Enter the MAC address.

Host Name

Specifies the hostname to assign the DHCP client to the MAC address.

Enter the hostname.

Fixed Address

Specifies the fixed address to assign the DHCP client to the MAC address. The options available are:

  • Add—Adds the fixed address.
  • Delete—Deletes the fixed address.

Select an option.

Client Identifier

Specifies the client identifier option.

Select the ASCII/hexadecimal value from the vale box, and enter the corresponding value in the edit box.

Server Information

Server Identifier

Specifies the server identifier for assigning the DHCP client to the MAC address.

Enter the server identifier name.

Domain Name

Specifies the domain name to assign the DHCP client to the MAC address.

Enter the domain name.

Next Server

Specifies the next server the client must contact to assign the DHCP client to the MAC address.

Enter the next server address.

Domain Search

Specifies the domain name to be serached. The options available are:

  • Add—Adds a domain name to be searched.
  • Delete—Deletes a domain name to be searched.

Enter the domain name to be searched.

Gateway Routers

Specifies the gateway router to assign to the specific MAC address. The options available are:

  • Add—Adds the gateway router to the address pool.
  • Delete—Deletes the gateway router from the address pool.

Select an option.

Name Servers

Specifies the name servers to assign to the specific MAC address. The options available are:

  • Add—Adds name servers in the address pool.
  • Delete—Deletes name servers in the address pool.

Select an option.

WINS Servers

Specifies the WINS servers to assign to the specific MAC address. The options available are:

  • Add—Adds WINS servers in the address pool.
  • Delete—Deletes WINS servers in the address pool.

Select an option.

Boot Options

Boot File

Specifies a boot file to be assigned to the specific MAC address.

Enter the boot filename.

Boot Server

Specifies a boot server to be assigned to the specific MAC address.

Enter the boot server name.

Option Table

Code / Type / Value

Defines a list of option codes, types, and values, in order of preference from top to bottom. It is mandatory to define all the options.

  • Option Code—Type a number.
  • Option Type—Select a type from the list corresponding to the code.
  • Option Value—Type a valid option value based on the type.

The options available are:

  • Add—Adds an option code, type and value.
  • Delete—Deletes an option code, type and value.

Select an option.

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