HP VPN Firewall Appliances Network Management Configuration Guide

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• The maximum IP address utilization 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:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Specify the threshold for
sending trap messages to the
network management server.
dhcp server threshold { allocated-ip
threshold-value | average-ip-use
threshold-value | max-ip-use threshold-value }
Optional.
Disabled by default.
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 Command Remarks
Display information about IP address
conflicts.
display dhcp server conflict { all | ip
ip-address } [ | { begin | exclude | include }
regular-expression ]
Available in any view.
Display information about lease
expiration.
display dhcp server expired { all | ip
ip-address | pool [ pool-name ] } [ | { begin |
exclude | include } regular-expression ]
Available in any view.
Display information about assignable
IP addresses.
display dhcp server free-ip [ | { begin |
exclude | include } regular-expression ]
Available in any view.
Display IP addresses excluded from
automatic allocation in the DHCP
address pool.
display dhcp server forbidden-ip [ | { begin |
exclude | include } regular-expression ]
Available in any view.
Display information about bindings.
display dhcp server ip-in-use { all | ip
ip-address | pool [ pool-name ] } [ | { begin |
exclude | include } regular-expression ]
Available in any view.
Display information about DHCP
server statistics.
display dhcp server statistics [ | { begin |
exclude | include } regular-expression ]
Available in any view.
Display tree organization
information about address pools.
display dhcp server tree { all | pool
[ pool-name ] } [ | { begin | exclude |
include } regular-expression ]
Available in any view.
Clear information about IP address
conflicts.
reset dhcp server conflict { all | ip ip-address }
Available in user
view.
Clear information about dynamic
bindings.
reset dhcp server ip-in-use { all | ip
ip-address | pool [ pool-name ] }
Available in user
view.
Clear information about DHCP server
statistics.
reset dhcp server statistics
Available in user
view.