Chapter 29
| DHCP Commands
DHCP Server
ā 899 ā
ā When searching for a manual binding, the switch compares the client identifier
for DHCP clients, and then compares the hardware address for DHCP or BOOTP
clients.
ā If no manual binding has been specified for a host entry with the client-
identifier or hardware-address commands, then the switch will assign an
address from the matching network pool.
ā If the mask is unspecified, DHCP examines its address pools. If no mask is found
in the pool database, the Class A, B, or C natural mask is used (see page 901).
This command is valid for manual bindings only.
ā The no host command only clears the address from the DHCP server database.
It does not cancel the IP address currently in use by the host.
Example
Console(config-dhcp)#host 10.1.0.21 255.255.255.0
Console(config-dhcp)#
Related Commands
client-identifier (895)
hardware-address (897)
lease This command configures the duration that an IP address is assigned to a DHCP
client. Use the no form to restore the default value.
Syntax
lease {days [hours] [minutes] | infinite}
no lease
days - Specifies the duration of the lease in numbers of days. (Range: 0-364)
hours - Specifies the number of hours in the lease. A days value must be
supplied before you can configure hours. (Range: 0-23)
minutes - Specifies the number of minutes in the lease. A days and hours
value must be supplied before you can configure minutes. (Range: 0-59)
infinite - Specifies that the lease time is unlimited. This option is normally
used for addresses manually bound to a BOOTP client via the host
command.
Default Setting
One day
Command Modes
DHCP Pool Configuration
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