240 Rockwell Automation Publication 1783-UM007G-EN-P - February 2017
Chapter 7 Configure Switch Features
3. Complete the fields and click OK.
Field Description
DHCP Pool Name The name of the DHCP IP address pool that is configured on the switch. The name can have up to 31 alphanumeric characters. The
name cannot contain a ? or a tab. This field is required.
A DHCP IP address pool is a range (or pool) of available IP addresses that the switch can assign to connected devices.
DHCP Pool Network The subnetwork IP address of the DHCP IP address pool. The format is a 32-bit numeric address that is written as four numbers that
are separated by periods. Each number can be from 0…255. This field is required.
Subnet Mask The network address that identifies the subnetwork (subnet) of the DHCP IP address pool. Subnets segment the devices in a network
into smaller groups. The default is 255.255.255.0. This field is required.
Starting IP The starting IP address that defines the range of addresses in the DHCP IP address pool. The format is a 32-bit numeric address that is
written as four numbers that are separated by periods. Each number can be from 0…255.
Be sure that none of the IP addresses that you assign are being used by another device in your network.
This field is required.
Ending IP The ending IP address that defines the range of addresses in the DHCP IP address pool. The format is a 32-bit numeric address that is
written as four numbers that are separated by periods. Each number can be from 0…255.
Make sure that none of the IP address you assign are being used by other devices in your network.
This field is required.
Default Router The default router IP address for the DHCP client that uses this server. The format is a 32-bit numeric address that is written as four
numbers that are separated by periods. Each number can be from 0… 255.
Domain Name The domain name for the DHCP client. The name can have up to 31 alphanumeric characters. The name cannot contain a ? or a tab.
DNS Server The IP addresses of the domain name system (DNS) IP servers available to a DHCP client. The format is a 32-bit numeric address that
is written as four numbers that are separated by periods. Each number can be from 0…255.
CIP Instance A number from 1…15 to identify the address pool.
[Lease Length] The duration of the lease for an IP address that is assigned to a DHCP client. Click one of the following:
• Never Expires
• User Defined
If you click User Defined, enter the duration of the lease in the numbers of days, hours, and minutes. This lease length is used for all
assignments.
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