Brocade FastIron Ethernet Switch Layer 3 Routing Configuration Guide - Manual (Page 88)

1. Enable DHCP Server by entering a command similar to the following.
device(config)# ip dhcp-server enable
2. Create a DHCP Server address pool by entering a command similar to the following.
device(config)# ip dhcp-server pool cabo
3. Configure the DHCP Server address pool by entering commands similar to the following.
device(config-dhcp-cabo)# network 172.16.1.0/24
device(config-dhcp-cabo)# domain-name brocade.com
device(config-dhcp-cabo)# dns-server 172.16.1.2 172.16.1.3
device(config-dhcp-cabo)# netbios-name-server 172.16.1.2
device(config-dhcp-cabo)# lease 0 0 5
4. To disable DHCP, enter a command similar to the following.
device(config)# no ip dhcp-server enable
The following sections describe the default DHCP settings, CLI commands and the options you can
configure for the DHCP Server feature.
Default DHCP server settings
DHCP server default settings TABLE 9
Parameter Default Value
DHCP server Disabled
Lease database expiration time 86400 seconds
The duration of the lease for an assigned IP address 43200 seconds (one day)
Maximum lease database expiration time 86400 seconds
DHCP server with option 82 Disabled
DHCP server unknown circuit-ID for Option 82 Permit range lookup
IP distribution mechanism Linear
DHCP server CLI commands
DHCP server optional parameters commands TABLE 10
Command Description
dbexpire Specifies how long, in seconds, the DHCP server should wait before aborting a
database transfer
option domain-name Specifies the domain name for the DHCP clients.
option domain-name-servers Specifies the Domain Name System (DNS) IP servers that are available to the
DHCP clients.
Default DHCP server settings
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