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
TABLE 9
DHCP server default settings
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
TABLE 10
DHCP server optional parameters
Command options
Description
domain-name
Specifies the domain name for the DHCP clients.
domain-name-servers
Specifies the Domain Name System (DNS) IP servers that are available to
the DHCP clients.
merit-dump
Specifies the path name of a file into which the client’s core image should
be placed in the event that the client crashes (the DHCP application issues
an exception in case of errors such as division by zero).
root-path
Specifies the name of the path that contains the client’s root filesystem in
NFS notation.
router
Adds the default router and gateway for the DHCP clients.
subnet-mask
Defines the subnet mask for the network.
broadcast-address
Defines a broadcast address for the network.
wins-server
Defines the NetBIOS Windows Internet Naming Service (WINS) name
servers that are available to Microsoft DHCP clients.
log-servers
Defines a list of log servers available to the client.
bootstrap-server
Specifies the IP address of the bootstrap server (the command fills the
"siaddr" field in the DHCP packet).
Configuring IP parameters - Layer 3 switches
FastIron Ethernet Switch Layer 3 Routing
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