Configuration Procedure; Displaying And Maintaining The Dhcp Server - HP 830 Series Configuration Manual

Configuration procedure

A DHCP server sends trap messages to the network management server when one of the following items
reaches the specified threshold:
The ratio of successfully allocated IP addresses to received DHCP requests
•
• The average IP address use of the address pool
The maximum IP address use of the address pool
•
Trap messages help network administrators know the latest usage information about the DHCP server.
To specify the threshold for sending trap messages:
Step
Enter system view.
1.
2. Specify the threshold for
sending trap messages to the
network management server.

Displaying and maintaining the DHCP server

NOTE:
A restart of the DHCP server or execution of the reset dhcp server ip-in-use command deletes all lease
information. The DHCP server denies any DHCP request for lease extension, and the client must request an
IP address again.
Task
Display information about IP address
conflicts.
Display information about lease
expiration.
Display information about assignable
IP addresses.
Display IP addresses excluded from
automatic allocation in the DHCP
address pool.
Display information about bindings.
Display information about DHCP
server statistics.
Display tree organization
information about address pools.
Command
system-view
dhcp server threshold { allocated-ip
threshold-value | average-ip-use
threshold-value | max-ip-use threshold-value }
Command
display dhcp server conflict { all | ip
ip-address } [ | { begin | exclude | include }
regular-expression ]
display dhcp server expired { all | ip
ip-address | pool [ pool-name ] } [ | { begin |
exclude | include } regular-expression ]
display dhcp server free-ip [ | { begin |
exclude | include } regular-expression ]
display dhcp server forbidden-ip [ | { begin |
exclude | include } regular-expression ]
display dhcp server ip-in-use { all | ip
ip-address | pool [ pool-name ] } [ | { begin |
exclude | include } regular-expression ]
display dhcp server statistics [ | { begin |
exclude | include } regular-expression ]
display dhcp server tree { all | pool
[ pool-name ] } [ | { begin | exclude |
include } regular-expression ]
33
Remarks
N/A
Optional.
Disabled by default.
Remarks
Available in any view.
Available in any view.
Available in any view.
Available in any view.
Available in any view.
Available in any view.
Available in any view.