C
HAPTER
42
| DHCP Commands
DHCP Server
– 989 –
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 991). 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 (985)
hardware-address (987)
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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