3Com MSR 30, MSR 50 manual Display dhcp server free-ip, Display dhcp server forbidden-ip

712CHAPTER 51: DHCP SERVER CONFIGURATION COMMANDS

ip ip-address: Displays the lease expiration information of a specified IP address.

pool [ pool-name]: Displays the lease expiration information of a specified address pool. The pool name is a string of 1 to 35 characters. If the pool name is not specified, the lease expiration information of all address pools is displayed.

Description Use the display dhcp server expired command to display the lease expiration information of specified DHCP address pool(s) or an IP address.

DHCP will assign these expired IP addresses to DHCP clients after all addresses have been assigned.

Example # Display information about lease expirations in all DHCP address pools.

Global pool:
IP address	Client-identifier/	Lease expiration	Type
	Hardware address
4.4.4.6	3030-3066-2e65-3230-	Apr 25 2007 17:10:47	Release
	302e-3130-3234-2d45-
	7468-6572-6e65-7430-
	2f31
--- total 1 entry ---
Table 127 Description on fields of the display dhcp server expired command
Field	Description
Global pool	Information about lease expiration of a DHCP address pool
IP address	Expired IP addresses
Client-identifier/Hardware IDs or MACs of clients whose IP addresses were expired
address
Lease expiration	The lease expiration time
Type	Types of lease expirations. Currently, this field is set to Release.

display dhcp server free-ip

Syntax	display dhcp server free-ip
View	Any view
Parameter	None
Description	Use the display dhcp server free-ipcommand to display information about
	assignable IP addresses, which have never been assigned.
Example	# Display information about assignable IP addresses.
	<Sysname> display dhcp server free-ip
	IP Range from 10.0.0.0	to 10.0.0.255

display dhcp server forbidden-ip

Syntax display dhcp server forbidden-ip