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Step
1.
Enter system view.
2.
Create a DHCP address pool
and enter its view.
3.
Advertise subnets assigned to
DHCP clients.
Enabling client offline detection on the DHCP
server
The client offline detection feature reclaims an assigned IP address and deletes the binding entry
when the ARP entry for the IP address ages out. The feature does not function if an ARP entry is
manually deleted.
To enable client offline detection on the DHCP server:
Step
1.
Enter system view.
2.
Enter interface view.
3.
Enable client offline detection.
Configuring SNMP notifications for the DHCP
server
Perform this task to configure the DHCP module to send SNMP notifications to report the following
DHCP server events:
•
Exhaustion or recovery of a DHCP address pool.
•
Usage threshold violation in a DHCP address pool.
•
IP address allocation success rate threshold violation.
The SNMP notifications are sent to the SNMP module. For the SNMP notifications to be sent
correctly, you must also configure SNMP. For more information about SNMP configuration, see
Network Management and Monitoring Configuration Guide.
For a DHCP address pool usage threshold violation, the DHCP module also sends a log message to
the information center. For log messages to be sent correctly, you must also configure the
information center. For information about the information center configuration, see Network
Management and Monitoring Configuration Guide.
To configure SNMP notifications for the DHCP server:
Step
1.
Enter system view.
Command
system-view
dhcp server ip-pool pool-name
network network-address
[ mask-length | mask mask ]
export-route [ secondary ]
Command
system-view
interface interface-type
interface-number
dhcp client-detect
Command
system-view
118
Remarks
N/A
By default, no DHCP address
pool exists.
By default, the subnets
assigned to DHCP clients are
not advertised.
Remarks
N/A
N/A
By default, client offline
detection is disabled on the
DHCP server.
Remarks
N/A
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Troubleshooting
