Reference Guide

276 | Dynamic Host Configuration Protocol (DHCP)
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Create an IP Address Pool
An address pool is a range of IP addresses that may be assigned by the DHCP server. Address pools are
indexed by subnet number.
To create an address pool:
Once an IP address is leased to a client, only that client may release the address. FTOS performs a IP +
MAC source address validation to ensure that no client can release another clients address. This is a default
behavior, and is separate from IP+MAC Source Address Validation.
Exclude 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. You must specify the IP address that the DHCP server should not assign to clients.
Step Task Command Syntax Command Mode
1 Access the DHCP server CLI context. ip dhcp server CONFIGURATION
2 Create an address pool and give it a name. pool name DHCP
3 Specify the range of IP addresses from which the
DHCP server may assign addresses.
• network is the subnet address.
• prefix-length specifies the number of bits
used for the network portion of the address
you specify.
network network /prefix-length
Prefix-length Range: 17 to 31
DHCP <POOL>
4 Display the current pool configuration.
show config
DHCP <POOL>
Task Command Syntax Command Mode
Exclude an address range from DHCP assignment. The
exclusion applies to all configured pools.
excluded-address DHCP