Chapter 29
| DHCP Commands
DHCP Server
– 899 –
â—† 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.
â—† 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.
â—† 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.
â—† 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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