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Configuring the Timeout Value for Ping Packets
Cisco IOS DHCP Server 9
Configuring the Timeout Value for Ping Packets
By default, the DHCP server waits 500 milliseconds before timing out a ping packet. To change the
amount of time the server waits, use the following command in global configuration mode:
Enabling the Cisco IOS DHCP Server Feature
By default, the Cisco IOS DHCP Server feature is enabled on your router. If the feature is disabled,
use the following command in global configuration mode to reenable the Cisco IOS DHCP Server
feature on your router:
Monitoring and Maintaining the DHCP Server
To clear DHCP server variables, use the following commands in privileged EXEC mode, as needed:
To enable DHCP server debugging, use the following command in privileged EXEC mode, as
needed:
Command Purpose
Router(config)# ip dhcp ping timeout
milliseconds
Specifies the amount of time the DHCP server must wait
before timing out a ping packet. The default 500 milliseconds.
Command Purpose
Router(config)# service dhcp Enables the Cisco IOS DHCP Server feature on your router.
Use the no form of this command to disable the Cisco IOS
DHCP Server feature.
Command Purpose
Router# clear ip dhcp binding address | * Deletes an automatic address binding from the DHCP
database. Specifying address clears the automatic binding for
a specific (client) IP address whereas specifying asterisk (*)
clears all automatic bindings.
Router# clear ip dhcp conflict address | * Clears an address conflict from the DHCP database. Specify-
ing address clears the conflict for a specific IP address
whereas specifying an asterisk (*) clears conflicts for all
addresses.
Router# clear ip dhcp server statistics Resets all DHCP server counters to 0.
Command Purpose
Router# debug ip dhcp server {events |
packets | linkage}
Enables debugging on the DHCP server.