3Com Router 3031, Command Reference Manual

Page: 421 / 838

DHCP Server Configuration Commands 421
display dhcp server
expired
Syntax
display dhcp server expired [ ip ip-address | pool [ pool-name ] | interface [
interface-name ] all ]
View
Any view
Parameter
■
ip-address: A specified IP address.
■
pool-name: Name of a global address pool. All the global address pools will
apply if no address pool has been specified.
■
interface-name: Interface address pool. All the interface address pools will
apply if no interface has been specified.
■
all: All the IP addresses.
Description
Using the display dhcp server expired command, you can view the expired address
leases in a DHCP address pool. In certain conditions, the addresses of the expired
leases will be allocated to other DHCP clients.
Example
View the expired leases in DHCP address pools.
<3Com> display dhcp server expired all
Global pool:
IP address Hardware address Lease expiration Type
Interface pool:
IP address Hardware address Lease expiration Type
Table 2 Description of the information displayed by executing display dhcp server expired
display dhcp server
free-ip
Syntax
display dhcp server free-ip
View
Any view
Parameter
None
Description
Using the display dhcp server free-ip command, you can view the ranges of
available addresses in DHCP address pools, i.e., information of the IP addresses
that have not been allocated yet.
Major item Description
Global pool: Expired address leases in global address pools.
Interface pool: Expired address leases in interface address pools.
IP address The bound IP address
Hardware address The bound MAC address
Lease expiration The lease expiration time
Type Address binding type