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Configuring the DHCP Server with Quick Configuration

The DHCP Quick Configuration pages allow you to configure DHCP pools for subnets and static bindings for DHCP clients. If DHCP pools or static bindings are already configured, you can use the Configure Global DHCP Parameters Quick Configuration page to add settings for these pools and static bindings. Settings that have been previously configured for DHCP pools or static bindings are not overridden when you use the Configure Global DHCP Parameters Quick Configuration page.

Figure 45 through Figure 47 show the DHCP Quick Configuration pages.

Figure 45: DHCP Quick Configuration Main Page

DHCP Quick Configuration Main
Page

Figure 46: DHCP Quick Configuration Pool Page

DHCP Quick Configuration Pool Page

Figure 47: DHCP Quick Configuration Static Binding Page

DHCP Quick Configuration Static Binding Page

To configure the DHCP server with Quick Configuration:

  1. In the J-Web interface, select Configuration>Quick Configuration>DHCP.
  2. Access a DHCP Quick Configuration page:
  3. Enter information into the DHCP Quick Configuration pages, as described in Table 90.
  4. Click one of the following buttons on the DHCP Quick Configuration page:
  5. Go on to one of the following procedures:

Table 90: DHCP Server Quick Configuration Pages Summary

Field

Function

Your Action

DHCP Pool Information

DHCP Subnet (required)

Specifies the subnet on which DHCP is configured.

Type an IP address prefix.

Address Range (Low) (required)

Specifies the lowest address in the IP address pool range.

Type an IP address that is part of the subnet specified in DHCP Subnet.

Address Range (High) (required)

Specifies the highest address in the IP address pool range.

Type an IP address that is part of the subnet specified in DHCP 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.

Do either of the following:

  • To add an excluded address, type the address next to the Add button, and click Add.
  • To delete an excluded address, select the address in the Exclude Addresses box, and click Delete.
Lease Time

Maximum Lease Time (Seconds)

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

Type a number between 60 and 4,294,967,295 (seconds). You can also type infinite to specify a least that never expires.

Default Lease Time (Seconds)

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

Type a number between 60 and 2,147,483,647 (seconds). You can also type infinite to specify a least that never expires.

Server Information

Server Identifier

Specifies the IP address of the DHCP server reported to a client.

Type the IP address of the routing platform. 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 clients must use to resolve hostnames.

Type the name of the domain.

Domain Search

Specifies the order—from top to bottom—in which clients must append domain names when resolving hostnames using DNS.

Do either of the following:

  • To add a domain name, type the name next to the Add button, and click Add.
  • To delete a domain name, select the name in the Domain Search box, and click Delete.

DNS Name Servers

Defines a list of DNS servers the client can use, in order of preference—from top to bottom.

Do either of the following:

  • To add a DNS server, type an IP address next to the Add button, and click Add.
  • To remove a DNS server, select the IP address in the DNS Name Servers box, and click Delete.

Gateway Routers

Defines a list of relay agents on the subnet, in order of preference—from top to bottom.

Do either of the following:

  • To add a relay agent, type an IP address next to the Add button, and click Add.
  • To remove a relay agent, select the IP address in the Gateway Routers box, and click Delete.

WINS Servers

Defines a list of NetBIOS name servers, in order of preference—from top to bottom.

Do either of the following:

  • To add a NetBIOS name server, type an IP address next to the Add button, and click Add.
  • To remove a NetBIOS name server, select the IP address in the WINS Servers box, and click Delete.
Boot Options

Boot File

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

Type a path and filename.

Boot Server

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

Type the IP address or hostname of the TFTP server.

DHCP Static Binding Information

DHCP MAC Address (required)

Specifies the MAC address of the client to be permanently assigned a static IP address.

Type the hexadecimal MAC address of the client.

Fixed IP Addresses (required)

Defines a list of IP addresses permanently assigned to the client. A static binding must have at least one fixed address assigned to it, but multiple addresses are also allowed.

Do either of the following:

  • To add an IP address, type it next to the Add button, and click Add.
  • To remove an IP address, select it in the Fixed IP Addresses box, and click Delete.

Host Name

Specifies the name of the client used in DHCP messages exchanged between the server and the client. The name must be unique to the client within the subnet on which the client resides.

Type a client hostname.

Client Identifier

Specifies the name of the client used by the DHCP server to index its database of address bindings. The name must be unique to the client within the subnet on which the client resides.

Type a client identifier in string form.

Hexadecimal Client Identifier

Specifies the name of the client, in hexadecimal, used by the DHCP server to index its database of address bindings. The name must be unique to the client within the subnet on which the client resides.

Type a client identifier in hexadecimal form.


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