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pool name
3. Specify the range of IP addresses from which the DHCP server may assign addresses.
DHCP <POOL> mode
network network/prefix-length
● network: the subnet address.
● prefix-length: specifies the number of bits used for the network portion of the address you specify.
The prefix-length range is from 17 to 31.
4. Display the current pool configuration.
DHCP <POOL> mode
show config
After an IP address is leased to a client, only that client may release the address. Dell Networking OS performs an IP + MAC
source address validation to ensure that no client can release another clients address. This validation is a default behavior and is
separate from IP+MAC source address validation.
Excluding Addresses from the Address Pool
The DHCP server assumes that all IP addresses in a DHCP address pool are available for assigning to DHCP clients.
Specify the IP address that the DHCP server should not assign to clients.
To exclude an address, follow this step.
● Exclude an address range from DHCP assignment. The exclusion applies to all configured pools.
DHCP mode
excluded-address
Specifying an Address Lease Time
To specify an address lease time, use the following command.
● Specify an address lease time for the addresses in a pool.
DHCP <POOL>
lease {days [hours] [minutes] | infinite}
The default is 24 hours.
Specifying a Default Gateway
The IP address of the default router should be on the same subnet as the client.
To specify a default gateway, follow this step.
● Specify default gateway(s) for the clients on the subnet, in order of preference.
DHCP <POOL>
default-router address
Enabling the DHCP Server
To set up the DHCP Server, you must first enable it.
The DHCP server is disabled by default.
1. Enter the DHCP command-line context.
CONFIGURATION mode
ip dhcp server
2. Enable DHCP server.
DHCP mode
Dynamic Host Configuration Protocol (DHCP)
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