User Manual
UMN:CLI
V8102
405
9.6.2.5
Range of IP Address for DHCP Class
To specify a range of IP addresses for a DHCP class, use the following command.
Command
Mode
Description
address range
A.B.C.D A.B.C.D
DHCP Pool
Class
Specifies a range of IP addresses.
A.B.C.D: start/end IP address
no address range
A.B.C.D
A.B.C.D
Deletes a specified range of IP addresses.
A range of IP addresses specified with the
address range
command is valid only for a
current DHCP pool. Even if you associate the DHCP class with another DHCP pool, the
specified range of IP addresses will not be applicable.
9.6.3
DHCP Lease Database
9.6.3.1
DHCP Database Agent
The V8102 provides a feature that allows to a DHCP server automatically saves a DHCP
lease database on a DHCP database agent.
The DHCP database agent should be a TFTP server, which stores a DHCP lease data-
base as numerous files in the form of
leasedb.MAC-ADDRESS
, e.g.
leasedb.0A:31:4B:1
A:77:6A
. The DHCP lease database contains a leased IP address, hardware address, etc.
To specify a DHCP database agent and enable an automatic DHCP lease database back-
up, use the following command.
Command
Mode
Description
ip dhcp database
A.B.C.D
IN-
TERVAL
Global
Specifies a DHCP database agent and back-up inter-
val.
A.B.C.D: DHCP database agent address
INTERVAL: 120-2147483637 (unit: second)
no ip dhcp database
Deletes a specified DHCP database agent.
Upon entering the
ip dhcp database
command, the back-up interval will begin.
To display a configuration of the DHCP database agent, use the following command.
Command
Mode
Description
show ip dhcp database
Enable
Global
Shows a configuration of the DHCP database agent.
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